Yealink SIP-T4X Administration Manual
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Yealink SIP-T4X Administration Manual

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Summary of Contents for Yealink SIP-T4X

  • Page 1 T 4 X I P P h o n e A d mi n i s t r a t o r G u i d e...
  • Page 3 Copyright © 2013 YEALINK NETWORK TECHNOLOGY Copyright © 2013 Yealink Network Technology CO., LTD. All rights reserved. No parts of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, photocopying, recording, or otherwise, for any purpose, without the express written permission of Yealink Network Technology CO., LTD.
  • Page 4 Do not dispose of WEEE as unsorted municipal waste and have to collect such WEEE separately. We are striving to improve our documentation quality and we appreciate your feedback. Email your opinions and comments to DocsFeedback@yealink.com.
  • Page 5 Yealink SIP-T4X IP phone firmware contains third-party software under the GNU General Public License (GPL). Yealink uses software under the specific terms of the GPL. Please refer to the GPL for the exact terms and conditions of the license. The original GPL license, source code of components licensed under GPL and used in Yealink products can be downloaded online: http://www.yealink.com/GPLOpenSource.aspx?BaseInfoCateId=293&NewsCateId=293&CateId=293.

  • Page 6: About This Guide

    BroadSoft features on the BroadWorks web portal and IP phones. For support or service, please contact your Yealink reseller or go to Yealink Technical Support online: http://www.yealink.com/Support.aspx. The information detailed in this guide is applicable to the firmware version 72 or higher.
  • Page 7 Administrator’s Guide for SIP-T4X IP Phones Chapter 3, “Configuring Basic Features” describes how to configure basic features  on IP phones. Chapter 4, “Configuring Advanced Features” describes how to configure  advanced features on IP phones. Chapter 5, “Configuring Audio Features”...
  • Page 8 About This Guide Major updates have occurred to the following section: Language on page  Major updates have occurred to the following sections: Language on page  Anonymous Call on page  Major updates have occurred to the following sections: Backlight on page ...
  • Page 9 Administrator’s Guide for SIP-T4X IP Phones Major updates have occurred to the following sections: SIP IP Phone Models on page  Configuring Transmission Methods of the Internet Port and PC Port on page  Language on page  Remote Phone Book on page ...

  • Page 10: Table Of Contents

    Product Overview ..............1 VoIP Principle ............................ 1 SIP Components..........................2 SIP IP Phone Models ........................3 Physical Features of SIP-T4X IP Phones ................... 4 Key Features of SIP-T4X IP Phones ................... 6 Getting Started ................. 9 Connecting the IP Phone ......................... 9 Initialization Process Overview ....................
  • Page 11 Administrator’s Guide for SIP-T4X IP Phones Replace Rule ........................... 29 Dial-now ..........................30 Area Code..........................32 Block Out ..........................33 Configuring Basic Features ............ 35 Power Indicator LED ........................36 Contrast ............................38 Wallpaper ............................39 Backlight ............................41 User Password ..........................42 Administrator Password ........................

  • Page 12: Table Of Contents

    Table of Contents Directed Call Pickup ........................102 Group Call Pickup ........................105 Dialog-Info Call Pickup ........................ 108 Call Return ............................ 110 Call Park ............................111 Web Server Type.......................... 112 Calling Line Identification Presentation ..................114 Connected Line Identification Presentation ................115 DTMF .............................
  • Page 13 Administrator’s Guide for SIP-T4X IP Phones Headset Prior ..........................191 Dual Headset ..........................192 Audio Codecs ..........................193 Acoustic Clarity Technology ......................197 Acoustic Echo Cancellation ....................197 Voice Activity Detection ....................... 198 Comfort Noise Generation ....................199 Jitter Buffer ..........................200 Configuring Security Features ..........203...
  • Page 14 Table of Contents How to reboot IP phone remotely? ..................238 How to increase or decrease the volume? ................ 238 What will happen if I connect both PoE cable and power adapter? Which has the higher priority? ..........................239 What is auto provisioning? ....................239 What is PnP? ..........................
  • Page 15 Administrator’s Guide for SIP-T4X IP Phones...

  • Page 16: Product Overview

    Product Overview This chapter contains the following information about SIP-T4X IP phones: VoIP Principle  SIP Components  SIP IP Phone Models  VoIP VoIP (Voice over Internet Protocol) is a technology using the Internet Protocol instead of traditional Public Switch Telephone Network (PSTN) technology for voice communications.
  • Page 17 Administrator’s Guide for SIP-T4X IP Phones SIP provides capabilities to: Determine the location of the target endpoint -- SIP supports address resolution,  name mapping, and call redirection. Determine the media capabilities of the target endpoint -- Via Session Description ...
  • Page 18 SIP-T41P  SIP-T4X IP phones comply with the SIP standard (RFC 3261), and they can only be used within a network that supports this type of phone. In order to operate as SIP endpoints in your network successfully, SIP-T4X IP phones must meet the following requirements: A working IP network is established.

  • Page 19: Physical Features Of Sip-T4X Ip Phones

    Administrator’s Guide for SIP-T4X IP Phones A call server is active and configured to receive and send SIP messages.  This section lists the available physical features of SIP-T4X IP phones. SIP-T46G Physical Features: 4.3” TFT-LCD, 480 x 272 pixel, 16.7M colors...
  • Page 20 Product Overview SIP-T42G Physical Features: 192 x 64 graphic LCD 3 VoIP accounts, BroadSoft/Avaya/Asterisk validated HD Voice: HD Codec, HD Handset, HD Speaker 35 keys including 6 line keys 1xRJ9 (4P4C) handset port 1xRJ9 (4P4C) headset port 2xRJ45 10/100/1000Mbps Ethernet ports 1XRJ12 (6P6C) EHS36 headset adapter port 10 LEDs: 1xpower, 6xline, 1xmute, 1xheadset, 1xspeakerphone Power adapter: AC 100~240V input and DC 5V/1.2A output...
  • Page 21 10 LEDs: 1xpower, 6xline, 1xmute, 1xheadset, 1xspeakerphone Power adapter: AC 100~240V input and DC 5V/1.2A output Power over Ethernet (IEEE 802.3af) In addition to physical features introduced above, SIP-T4X IP phones also support the following key features when running the latest firmware: Phone Features ...
  • Page 22 Product Overview caller identity, auto answer. Advanced Features: BLF , server redundancy, distinctive ring tones, remote phone book, LDAP , 802.1x authentication. Codecs and Voice Features  Wideband codec: G.722 Narrowband codec: G.711, G.723.1, G.726, G.729AB, GSM, iLBC . VAD, CNG, AEC, PLC, AJB, AGC Full-duplex speakerphone with AEC Network Features ...
  • Page 23 Administrator’s Guide for SIP-T4X IP Phones...

  • Page 24: Getting Started

     Configuring Basic Network Parameters  Creating Dial Plan  This section introduces how to install SIP-T4X IP phones with the components in packaging contents. Attach the stand Connect the handset and optional headset Connect the network and power Note A headset, wall mount bracket and power adapter are not included in packaging contents.
  • Page 25 Administrator’s Guide for SIP-T4X IP Phones Attach the stand: Desk Mount Method Wall Mount Method (Optional) Yealink Wall Mount Note For more information on how to mount the phone to a wall, refer to Quick Installation Guide for SIP-T4X IP Phones...
  • Page 26 For more information on how to use the EHS36 on the IP phone, refer to User Guide. Bluetooth can only be used on SIP-T46G IP phones. For more information on how to use Yealink Bluetooth USB Dongle BT40 User the Bluetooth on SIP-T46G IP phones, refer to Guide EXT port can also be used to connect the expansion module EXP40.
  • Page 27 Administrator’s Guide for SIP-T4X IP Phones Power over Ethernet With the included or a regular Ethernet cable, IP phones can be powered from a PoE-compliant switch or hub. To connect the PoE: Connect the Ethernet cable between the Internet port on IP phones and an available port on the in-line power switch/hub.
  • Page 28 21. Contacting the auto provisioning server SIP-T4X IP phones support the FTP , TFTP , HTTP , and HTTPS protocols for auto provisioning and are configured by default to use TFTP protocol. If IP phones are configured to obtain configurations from the TFTP server, they will connect to the TFTP server and download the configuration file(s) during startup.

  • Page 29: Phone User Interface

    Administrator’s Guide for SIP-T4X IP Phones After connected to the power and network, the IP phone begins the initializing process by cycling through the following steps: The power indicator LED illuminates. The message “Initializing…Please wait” appears on the LCD screen when the IP phone starts up.

  • Page 30: Configuration Files

    CFG file is named as the MAC address of IP phones. For example, if the MAC address of a SIP-T46G IP phone is 001565113af5, the names of these two configuration files must be: y000000000028.cfg and 001565113af5.cfg. The name of the Common CFG file for each SIP-T4X IP phone model is: SIP-T46G: y000000000028.cfg ...
  • Page 31  The latest value configured on the IP phone takes effect finally. Icons associated with different features may appear on the LCD screen. The following table provides a description for each icon on SIP-T4X IP phone models. SIP-T46G SIP-T42G/T41P Description...
  • Page 32 Getting Started SIP-T46G SIP-T42G/T41P Description Phone Lock Multi-lingual lowercase letters input mode Multi-lingual uppercase letters input mode Alphanumeric input mode Numeric input mode Multi-lingual uppercase and lowercase letters input mode Received Calls Placed Calls Missed Calls Recording box is full A call cannot be recorded Recording starts successfully Recording cannot be started...

  • Page 33: Dhcp

    Administrator’s Guide for SIP-T4X IP Phones This section describes how to configure basic network parameters for the IP phone. Note This section mainly introduces IPv4 network parameters. For more information on IPv6, refer to IPv6 Support on page 187. DHCP (Dynamic Host Configuration Protocol) is a network protocol used to dynamically allocate network parameters to network hosts.
  • Page 34 Getting Started Parameter DHCP Option Description available to the client. Host Name Specify the name of the client. Specify the domain name that client should Domain Server use when resolving hostnames via DNS. Broadcast Specify the broadcast address in use on the Address client's subnet.
  • Page 35 Administrator’s Guide for SIP-T4X IP Phones To configure DHCP via web user interface: Click on Network->Basic. In the IPv4 Config block, mark the DHCP radio box. Click Confirm to accept the change. A dialog box pops up to prompt that settings will take effect after reboot.
  • Page 36 Getting Started Enter the desired values in the Primary DNS and Secondary DNS fields. Click Confirm to accept the change. A dialog box pops up to prompt that settings will take effect after a reboot. Click OK to reboot the IP phone. To configure DHCP via phone user interface: Press Menu->Advanced (password: admin) ->Network->WAN Port->IPv4.
  • Page 37 Administrator’s Guide for SIP-T4X IP Phones Procedure Network parameters can be configured manually using the configuration files or locally. Configure network parameters of the IP phone manually. Configuration File <MAC>.cfg For more information, refer to Static Network Settings on page 249.
  • Page 38 Getting Started To configure a static IPv4 address via web user interface: Click on Network->Basic. In the IPv4 Config block, mark the Static IP Address radio box. Enter the IP address, subnet mask, default gateway, primary DNS and secondary DNS in the corresponding fields. Click Confirm to accept the change.

  • Page 39: Pppoe

    Administrator’s Guide for SIP-T4X IP Phones The IP phone reboots automatically to make settings effective after a period of time. Note Using the wrong network settings may result in inaccessibility of your phone and may also have an impact on your network performance. For more information on these parameters, contact your network administrator.
  • Page 40 The IP phone reboots automatically to make settings effective after a period of time. There are two Ethernet ports on the back of IP phones: Internet port and PC port. Three optional methods of transmission configuration for SIP-T4X IP phone Internet or PC Ethernet ports: Auto-negotiation ...
  • Page 41 Administrator’s Guide for SIP-T4X IP Phones Auto-negotiation is configured for both Internet and PC ports on the IP phone by default. Auto-negotiation Auto-negotiation means that all connected devices choose common transmission parameters (e.g., speed and duplex mode) to transmit voice or data over Ethernet. This process entails devices first sharing transmission capabilities and then selecting the highest performance transmission mode supported by both.
  • Page 42 Getting Started Procedure The transmission method of Ethernet port can be configured using the configuration files or locally. Configure the transmission method of Ethernet port. For more information, refer to Configuration File <y0000000000xx>.cfg Internet and PC Ports Transmission Methods on page 253.

  • Page 43: Creating Dial Plan

    Administrator’s Guide for SIP-T4X IP Phones Regular expression, often called a pattern, is an expression that specifies a set of strings. A regular expression provides a concise and flexible means to “match” (specify and recognize) strings of text, such as particular characters, words, or patterns of characters.

  • Page 44: Replace Rule

    Getting Started "9001$145$2". When you dial out "0012354599" on your phone, the IP phone will replace the number with "90012354599". “$1” means three digits in the first parenthesis, that is, “235”. “$2” means two digits in the second parenthesis, that is, “99”. Replace rule is an alternative string that replaces the numbers entered by the user.

  • Page 45: Dial-Now

    Administrator’s Guide for SIP-T4X IP Phones Enter the desired line ID in the Account field or leave it blank. If you leave the field blank or enter 0, the replace rule will apply to all accounts on the IP phone.
  • Page 46 Getting Started Plan on page 254. Create the dial-now rule for the IP phone. Navigate to: http://<phoneIPAddress>/servlet ?p=settings-dialnow&q=load Local Web User Interface Configure the delay time for the dial-now rule. Navigate to: http://<phoneIPAddress>/servlet ?p=features-general&q=load To create a dial-now rule via web user interface: Click on Settings->Dial Plan->Dial-now.

  • Page 47: Area Code

    Administrator’s Guide for SIP-T4X IP Phones Enter the desired time within 1-14 (in seconds) in the Time-Out for Dial-Now Rule field. Click Confirm to accept the change. Area codes are also known as Numbering Plan Areas (NPAs). They usually indicate geographical areas in one country.

  • Page 48: Block Out

    Getting Started http://<phoneIPAddress>/servlet ?p=settings-areacode&q=load To configure an area code rule via web user interface: Click on Settings->Dial Plan->Area Code. Enter desired values in the Code, Min Length (1-15) and Max Length (1-15) fields. Enter the desired line ID in the Account field or leave it blank. If you leave the field blank or enter 0, the area code rule will apply to all accounts on the IP phone.
  • Page 49 Administrator’s Guide for SIP-T4X IP Phones ?p=settings-blackout&q=load To create a block out rule via web user interface: Click on Settings->Dial Plan->Block Out. Enter the desired value in the BlockOut Number field. Enter the desired line ID in the Account field or leave it blank.

  • Page 50: Configuring Basic Features

    Configuring Basic Features This chapter provides information for making configuration changes for the following basic features: Power Indicator LED  Contrast  Backlight  User Password  Administrator Password  Phone Lock  Time and Date  Language  Logo Customization ...

  • Page 51: Directed Call Pickup

    Administrator’s Guide for SIP-T4X IP Phones Session Timer  Call Hold  Call Forward  Call Transfer  Network Conference  Transfer on Conference Hang Up  Directed Call Pickup  Group Call Pickup  Dialog-Info Call Pickup  Call Return ...
  • Page 52 Configuring Basic Features this option is disabled, the status of the power indicator LED is determined by the option “Common Power Light On”. Hold/Held Power Light Flash Hold/Held Power Light Flash allows the power indicator LED to flash when a call is placed on hold or is held.

  • Page 53: Contrast

    Administrator’s Guide for SIP-T4X IP Phones Select the desired value from the pull-down list of Talk/Dial Power Light On. Click Confirm to accept the change. Contrast determines the readability of the texts displayed on the LCD screen. Adjusting the contrast to a comfortable level can optimize the screen viewing experience. When configured properly, contrast allows users to read the LCD’s display with minimal...

  • Page 54: Wallpaper

    Configuring Basic Features To configure contrast via phone user interface (only applicable to EXP40 connected to SIP-T46G IP phones): Press Menu-> Basic->Display->Contrast. Press , or the Switch soft key to increase or decrease the intensity of contrast. The default contrast level is 6. Press the Save soft key to accept the change.
  • Page 55 Administrator’s Guide for SIP-T4X IP Phones In the Upload Wallpaper (480*272) field, click Browse to locate the wallpaper image from your local system. Click Upload to upload the file. Click Confirm to accept the change. The custom wallpaper appears in the pull-down list of Wallpaper.

  • Page 56: Backlight On

    Backlight determines the brightness of the LCD screen display, allowing users to read easily in dark environments. Backlight time specifies the delay time to turn off or dusky the backlight when the IP phone is inactive. Backlight time is applicable to SIP-T4X IP phones and EXP40 connected to SIP-T46G IP phones.

  • Page 57: User Password

    Administrator’s Guide for SIP-T4X IP Phones Select the desired value from the pull-down list of Backlight Time (seconds). Click Confirm to accept the change. To configure the backlight via phone user interface: Press Menu->Basic->Display-> Backlight. Press , or the Switch soft key to select the desired level from the Backlight Active Level field.

  • Page 58: Administrator Password

    Configuring Basic Features For more information, refer to User Password on page 263. Change the user password of the IP phone. Local Web User Interface Navigate to: http://<phoneIPAddress>/servlet ?p=security&q=load To change the user password via web user interface: Click on Security->Password. Select user from the pull-down list of User Type.

  • Page 59: Phone Lock

    Administrator’s Guide for SIP-T4X IP Phones Administrator Password on page 263. Change the administrator password. Web User Interface Navigate to: http://<phoneIPAddress>/servlet Local ?p=security&q=load Change the administrator Phone User Interface password. To change the administrator password via web user interface: Click on Security->Password.
  • Page 60 Configuring Basic Features of phone lock: Menu Key, Function Keys and All Keys. The IP phone will not be locked immediately after the phone lock type is configured. One of the following steps is also needed: Long press the pound key when the IP phone is idle. Press the keypad lock key (if configured) when the IP phone is idle.
  • Page 61 Administrator’s Guide for SIP-T4X IP Phones Select the desired type from the pull-down list of Keypad Lock Enable. Select the desired type from the pull-down list of Keypad Lock Type. Enter unlock password (numeric characters) in the Phone Unlock PIN (0~15 Digit) field.

  • Page 62: Time Zone

    Configuring Basic Features Press , or the Switch soft key to select the desired value from the Keypad Lock Enable field. Press , or the Switch soft key to select the desired type from the Keypad Lock Type field. Press the Save soft key to accept the change. To configure a keypad lock key via phone user interface: Press Menu->Call Features->DSS Keys.
  • Page 63 Administrator’s Guide for SIP-T4X IP Phones The following table lists available methods for configuring time and date: Option Methods of Configuration Configuration Files Time Zone Web User Interface Phone User Interface Web User Interface Time Phone User Interface Configuration Files...
  • Page 64 Configuring Basic Features Navigate to: http://<phoneIPAddress>/servlet ?p=settings-datetime&q=load Configure the NTP server and time zone. Configure the time and date Phone User Interface manually. Configure the time and date formats. To configure NTP by DHCP priority feature via web user interface: Click on Settings->Time &...
  • Page 65 Administrator’s Guide for SIP-T4X IP Phones Mark the DST By Date radio box in the Fixed Type field. Enter the start time in the Start Date field. Enter the end time in the End Date field. Mark the DST By Week radio box in the Fixed Type field.
  • Page 66 Configuring Basic Features Enter the desired offset time in the Offset (minutes) field. Click Confirm to accept the change. To configure the time and date manually via web user interface: Click on Settings->Time & Date. Select Enabled from the pull-down list of Manual Time. Enter the time and date in the corresponding fields.

  • Page 67: Language

    Administrator’s Guide for SIP-T4X IP Phones Click Confirm to accept the change. To configure the NTP server and time zone via phone user interface: Press Menu->Basic->Time & Date->General->SNTP Settings. Press , or the Switch soft key to select the time zone that applies to your area from the Time Zone field.

  • Page 68: Loading Language Packs

    Configuring Basic Features Phone User Interface Web User Interface German German Italian Italian Polish Turkish Portuguese Portuguese Spanish Spanish Turkish Not all of the supported languages are available for selection. Languages available for selection depend on language packs currently loaded to IP phones. You can make languages available for use on the phone user interface by loading language packs to the IP phone.

  • Page 69: Language On

    Administrator’s Guide for SIP-T4X IP Phones For more information, refer to Language on page 272. The default language used on the phone user interface is English. The default language used on the web user interface depends on the language preferences in the browser (if the language is not supported by the IP phone, the web user interface uses English).

  • Page 70: Logo Customization On

    Configuring Basic Features Select the desired language from the pull-down list of Language. Click Confirm to accept the change. To specify the language for the phone user interface via phone user interface: Press Menu->Basic->Language. Press to select the desired language. Press the Save soft key to accept the change.

  • Page 71: Softkey Layout

    Administrator’s Guide for SIP-T4X IP Phones Configure the logo shown on the idle screen. Local Web User Interface Navigate to: http://<phoneIPAddress>/servlet ?p=features-general&q=load To configure a custom logo via web user interface: Click on Features->General Information. Select Custom logo from the pull-down list of Use Logo.
  • Page 72 Configuring Basic Features The following table lists the soft keys available for IP phones in different states: Call State Default Soft Key Optional Soft Key NewCall Empty Empty Switch CallFailed Empty Cancel Empty Answer Empty Forward Switch CallIn Silence Reject Empty Empty Empty...
  • Page 73 Administrator’s Guide for SIP-T4X IP Phones Call State Default Soft Key Optional Soft Key Conference SWAP Cancel NewCall Switch Answer Reject Transfer Empty Resume Switch Hold NewCall Answer Cancel Reject Empty Empty Empty Switch Held Empty Answer Cancel Reject NewCall...
  • Page 74 Configuring Basic Features ?p=settings-softkey&q=load To configure softkey layout via web user interface: Click on Settings->Softkey Layout. Select the desired value from the pull-down list of Custom Softkey. Select the desired state from the pull-down list of Call States. Select the desired soft key from the Unselected Softkeys column and click The selected soft key appears in the Selected Softkeys column.
  • Page 75 Administrator’s Guide for SIP-T4X IP Phones For more information, refer to as Send on page 274. Configure a send key. Navigate to: http://<phoneIPAddress>/servlet ?p=features-general&q=load Web User Interface Configure a key tone and send Local tone. Navigate to: http://<phoneIPAddress>/servlet ?p=features-audio&q=load Phone User Interface Configure the send key.

  • Page 76: Hotline

    Configuring Basic Features Select the desired value from the pull-down list of Send Sound. Click Confirm to accept the change. To configure a send key via phone user interface: Press Menu->Call Features->Others->General. Press , or the Switch soft key to select # or * from the Key as Send field, or select Disabled to disable this feature.
  • Page 77 Administrator’s Guide for SIP-T4X IP Phones Hotline on page 276. Configure the hotline number. Specify the time (in seconds) the IP phone waits to automatically Web User Interface dial out the hotline number. Navigate to: http://<phoneIPAddress>/servlet Local ?p=features-general&q=load Configure the hotline number.

  • Page 78: Call Log

    Configuring Basic Features Call log contains call information such as remote party identification, time and date, and call duration. IP phones maintain a local call log. Call log consists of four lists: Missed calls, Placed calls, Received calls and Forwarded calls. Each call log list supports up to 100 entries.

  • Page 79: Missed Call Log

    Administrator’s Guide for SIP-T4X IP Phones Click Confirm to accept the change. To configure the call log via phone user interface: Press Menu->Call Features->Others->General. Press , or the Switch soft key to select the desired value from the History Record field.

  • Page 80: Local Directory

    Configuring Basic Features Select the desired value from the pull-down list of Missed Call Log. Click Confirm to accept the change. The IP phone maintains a local directory. The local directory can store up to 1000 contacts and 48 groups (including the default groups: Company, Family and Friend). When adding a contact to the local directory, in addition to name and phone numbers, you can also specify the account, ring tone and group for the contact.
  • Page 81 Administrator’s Guide for SIP-T4X IP Phones To add a new group to the local directory via web user interface: Click on Directory->Local Directory. In the Group Setting block, enter the new group name in the Group field. Select the desired group ring tone from the pull-down list of Ring.
  • Page 82 Configuring Basic Features Select the desired photo from the pull-down list of Photo. It is not applicable to SIP-T42G and SIP-T41P IP phones. Click Add to add the contact. To add a group to the local directory via phone user interface: Press Menu->Directory->Local Group.

  • Page 83: Live Dialpad

    Administrator’s Guide for SIP-T4X IP Phones Live dialpad allows IP phones to automatically dial out the entered phone number after a specified period of time. Procedure Live dialpad can be configured using the configuration files or locally. Configure live dialpad.
  • Page 84 Configuring Basic Features allows the phone to play a short tone, to remind the user audibly of a new incoming call during conversation. Call waiting tone works only if call waiting is enabled. The call waiting on code and call waiting off code configured on IP phones are used to activate/deactivate the server-side call waiting feature.

  • Page 85: Auto Redial

    Administrator’s Guide for SIP-T4X IP Phones Click Confirm to accept the change. To configure the call waiting tone via web user interface: Click on Features->Audio. Select the desired value from the pull-down list of Call Waiting Tone. Click Confirm to accept the change.
  • Page 86 Configuring Basic Features Procedure Auto redial can be configured using the configuration files or locally. Configure auto redial. Configuration File <y0000000000xx>.cfg For more information, refer to Auto Redial on page 280. Configure auto redial. Navigate to: Web User Interface http://<phoneIPAddress>/servlet Local ?p=features-general&q=load Phone User Interface...

  • Page 87: Auto Answer On

    Administrator’s Guide for SIP-T4X IP Phones Press , or the Switch soft key to select the desired value from the Auto Redial field. Enter the desired time in the Redial Interval field. Enter the desired times in the Redial Times field.
  • Page 88 Configuring Basic Features Select the desired value from the pull-down list of Auto Answer. Click Confirm to accept the change. To configure a period of delay time for auto answer via web user interface: Click on Features->General Information. Enter the desired time (in seconds) in the Auto-Answer Delay (1~4s) field. Click Confirm to accept the change.

  • Page 89: Call Completion

    Administrator’s Guide for SIP-T4X IP Phones Press , or the Switch soft key to select the desired value from the Auto Answer field. Press the Save soft key to accept the change. Call completion allows users to monitor the busy party and establish a call when the busy party becomes available to receive a call.

  • Page 90: Anonymous Call

    Configuring Basic Features Select the desired value from the pull-down list of Call Completion. Click Confirm to accept the change. To configure call completion via phone user interface: Press Menu->Call Features->Others->Call Completion. Press , or the Switch soft key to select the desired value from the Call Completion field.

  • Page 91: Anonymous Call On

    Administrator’s Guide for SIP-T4X IP Phones Max-Forwards: 70 User-Agent: Yealink SIP-T46G 28.72.0.1 Privacy: id Supported: replaces Allow-Events: talk,hold,conference,refer,check-sync P-Preferred-Identity: <sip:1012@10.2.1.199> Content-Length: 302 The anonymous call on code and anonymous call off code configured on IP phones are used to activate/deactivate the server-side anonymous call feature. They may vary on different servers.

  • Page 92: Anonymous Call Rejection

    Configuring Basic Features (Optional.) Enter the anonymous call off code in the Off Code field. Click Confirm to accept the change. To configure the anonymous call via phone user interface: Press Menu->Call Features->Anonymous. Select the desired line and then press Enter soft key. Press , or the Switch soft key to select the desired value from the Local Anonymous field.
  • Page 93 Administrator’s Guide for SIP-T4X IP Phones Procedure Anonymous call rejection can be configured using the configuration files or locally. Configure anonymous call rejection. Configuration File <MAC>.cfg For more information, refer to Anonymous Call Rejection page 284. Configure anonymous call rejection.

  • Page 94: Do Not Disturb

    Configuring Basic Features Select the desired line and then press Enter soft key. Press , or the Switch soft key to select the desired value from the Anonymous Rejection field. (Optional.) Enter the anonymous call rejection on code in the On Code field. (Optional.) Enter the anonymous call rejection off code in the Off Code field.
  • Page 95 Administrator’s Guide for SIP-T4X IP Phones Not Disturb on page 286. Assign a DND key. Navigate to: http://<phoneIPAddress>/servlet? p=dsskey&model=1&q=load&line page=1 Configure DND. Navigate to: Web User Interface http://<phoneIPAddress>/servlet? Local p=features-forward&q=load Specify return code and reason of the SIP response message.
  • Page 96 Configuring Basic Features 2) (Optional.) Enter the DND on code in the DND On Code field. 3) (Optional.) Enter the DND off code in the DND Off Code field. b) If you mark the Custom radio box: 1) Select the desired account from the pull-down list of Account. 2) Mark the desired value in the DND Status field.
  • Page 97 Administrator’s Guide for SIP-T4X IP Phones 4) (Optional.) Enter the DND off code in the DND Off Code field. Click Confirm to accept the change. To specify the return code via web user interface: Click on Features->General Information. Select the desired type from the pull-down list of Return Code When DND.

  • Page 98: Busy Tone Delay

    Configuring Basic Features Click Confirm to accept the change. To configure a DND key via phone user interface: Press Menu->Call Features->DSS Keys. Select the desired DSS key. Press , or the Switch soft key to select Key Event from the Type field. Press , or the Switch soft key to select DND from the Key Event field.

  • Page 99: Return Code When Refuse

    Administrator’s Guide for SIP-T4X IP Phones Navigate to: http://<phoneIPAddress>/servlet ?p=features-general&q=load To configure busy tone delay via web user interface: 1． Click on Features->General Information. 2． Select the desired value from the pull-down list of Busy Tone Delay (Seconds). 3． Click Confirm to accept the change.

  • Page 100: Early Media

    Configuring Basic Features Return Code When Refuse page 289. Configure the return code when refusing a call. Local Web User Interface Navigate to: http://<phoneIPAddress>/servlet ?p=features-general&q=load To specify the return code when refusing a call via web user interface: Click on Features->General Information. Select the desired value from the pull-down list of Return Code When Refuse.

  • Page 101: Ring Workaround

    Administrator’s Guide for SIP-T4X IP Phones 180 ring workaround defines whether to deal with the 180 message received after the 183 message. When the caller receives a 183 message, it suppresses any local ringback tone and begins to play the media received. 180 ring workaround allows IP phones to resume and play the local ringback tone upon a subsequent 180 message received.

  • Page 102: Use Outbound Proxy In Dialog

    Configuring Basic Features An outbound proxy server can receive all initiating request messages and route them to the designated destination. If the IP phone is configured to use an outbound proxy server within a dialog, all SIP request messages from the IP phone will be sent to the outbound proxy server forcefully.

  • Page 103: Sip Session Timer

    Administrator’s Guide for SIP-T4X IP Phones Select the desired value from the pull-down list of Use Outbound Proxy in Dialog. Click Confirm to accept the change. SIP session timers T1, T2 and T4 are SIP transaction layer timers defined in RFC 3261.

  • Page 104: Session Timer

    Configuring Basic Features To configure session timer via web user interface: Click on Account. Select the desired account from the pull-down list of Account. Click on Advanced. Enter the desired value in the SIP Session Timer T1 (0.5~10s) field. The default value is 0.5s. Enter the desired value in the SIP Session Timer T2 (2~40s) field.

  • Page 105: Call Hold

    Administrator’s Guide for SIP-T4X IP Phones Session Timer on page 292. Configure session timer. Navigate to: Local Web User Interface http://<phoneIPAddress>/servlet ?p=account-adv&q=load&acc= To configure session timer via web user interface: Click on Account. Select the desired account from the pull-down list of Account.
  • Page 106 Configuring Basic Features intervals when there is a call on hold. Procedure Call hold can be configured using the configuration files or locally. Configure the call hold tone and call hold tone delay. Specify whether RFC 2543 Configuration File <y0000000000xx>.cfg (c=0.0.0.0) outgoing hold signaling is used.

  • Page 107: Call Forward

    Administrator’s Guide for SIP-T4X IP Phones Click Confirm to accept the change. To configure call hold tone and call hold tone delay via web user interface: Click on Features->General Information. Select the desired value from the pull-down list of Play Hold Tone.
  • Page 108 Configuring Basic Features The call forward on code and call forward off code configured on IP phones are used to activate/deactivate the server-side call forward feature. They may vary on different servers. Forward International Forward international allows users to forward an incoming call to an international telephone number.
  • Page 109 Administrator’s Guide for SIP-T4X IP Phones In the Forward block, mark the desired radio box in the Mode field. a) If you mark the Phone radio box: 1) Mark the desired radio box in the Always Forward/Busy Forward/No Answer Forward field.
  • Page 110 Configuring Basic Features 4) Select the ring time to wait before forwarding from the pull-down list of After Ring Time (0~120s) (only for no answer forward). Click Confirm to accept the change. To configure the forward international feature via web user interface: Click on Features->General Information.
  • Page 111 Administrator’s Guide for SIP-T4X IP Phones Select the desired value from the pull-down list of Fwd International. Click Confirm to accept the change. To configure call forward in phone mode via phone user interface: Press Menu->Call Features->Call Forward. Press to select the desired forwarding type, and then press the Enter soft key.
  • Page 112 Configuring Basic Features c) If you select No Answer Forward: 1) Press , or the Switch soft key to select the desired value from the No Answer Forward field. 2) Enter the destination number you want to forward all unanswered incoming calls to in the Forward To field.

  • Page 113: Call Transfer

    Administrator’s Guide for SIP-T4X IP Phones You can also configure the busy forward for all accounts. After the busy forward was configured for a specific account, do the following: 1) Press to highlight the Busy Forward field. 2) Press the All Lines soft key.
  • Page 114 Configuring Basic Features transfer through on-hook. When a user performs a semi-attended transfer, semi-attended transfer determines whether to display the prompt “1 New Missed Call(s)” on the destination party’s LCD screen. Procedure Call transfer can be configured using the configuration files or locally. Specify whether to complete the transfer through on-hook.

  • Page 115: Network Conference

    Administrator’s Guide for SIP-T4X IP Phones Click Confirm to accept the change. Network conference, also known as centralized conference, provides users with flexibility of call with multiple participants (more than three). IP phones implement network conference using the REFER method specified in RFC 4579. This feature depends on support from a SIP server.

  • Page 116: Transfer On Conference Hang Up

    Configuring Basic Features Enter the conference URI in the Conference URI field. Click Confirm to accept the change. For local conference, all parties drop the call when the conference initiator drops the conference call. Transfer on conference hang up allows the other two parties to remain connected when the conference initiator drops the conference call.
  • Page 117 Administrator’s Guide for SIP-T4X IP Phones To configure Transfer on Conference Hang up via web user interface: Click on Features->Transfer. Select the desired value from the pull-down list of Transfer on Conference Hang up. Click Confirm to accept the change.
  • Page 118 Configuring Basic Features 307. Assign a directed call pickup key. <y0000000000xx>.cfg For more information, refer to Directed Call Pickup Key page 387. Assign a directed call pickup key. Navigate to: http://<phoneIPAddress>/servl et?p=dsskey&model=1&q=loa d&linepage=1 Configure the directed call pickup feature on a phone basis.
  • Page 119 Administrator’s Guide for SIP-T4X IP Phones Select the desired line from the pull-down list of Line. Click Confirm to accept the change. To configure the directed call pickup feature on a phone basis via web user interface: Click on Features->Call Pickup.
  • Page 120 Configuring Basic Features Enter the directed call pickup code in the Directed Call Pickup Code field. Click Confirm to accept the change. To configure a directed pickup key via phone user interface: Press Menu->Call Features->DSS Keys. Select the desired DSS key. Press , or the Switch soft key to select Key Event from the Type field.
  • Page 121 Administrator’s Guide for SIP-T4X IP Phones Procedure Group call pickup can be configured using the configuration files or locally. Configure the group call pickup code on a per-line basis. Configure group call pickup <MAC>.cfg feature on a phone basis. For more information, refer to...
  • Page 122 Configuring Basic Features Select the desired line from the pull-down list of Line. Click Confirm to accept the change. To configure the group call pickup feature on a phone basis via web user interface: Click on Features->Call Pickup. Select the desired value from the pull-down list of Group Call Pickup. Enter the group call pickup code in the Group Call Pickup Code field.
  • Page 123 Administrator’s Guide for SIP-T4X IP Phones Enter the group call pickup code in the Group Call Pickup Code field. Click Confirm to accept the change. To configure a group pickup key via phone user interface: Press Menu->Call Features->DSS Keys. Select the desired DSS key.
  • Page 124 Configuring Basic Features Example of the dialog-info message carried in NOTIFY message: <?xml version="1.0"?> <dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="6" state="full" entity="sip:1013@10.2.1.199"> <dialog id="706655206@10.2.8.213" call-id="706655206@10.2.8.213" local-tag="827932784" remote-tag="1887460740" direction="recipient"> <state>early</state> <local> <identity>sip:1013@10.2.1.199</identity> <target uri="sip:1013@10.2.1.199"> </target> </local> <remote> <identity>sip:1011@10.2.1.199</identity> <target uri="sip:1011@10.2.8.213:5063"> </target> </remote> </dialog> </dialog-info> Procedure Dialog-info call pickup can be configured using the configuration files or locally.
  • Page 125 Administrator’s Guide for SIP-T4X IP Phones Select the desired value from the pull-down list of Dialog Info Call Pickup. Click Confirm to accept the change. Call return, also known as last call return, allows users to place a call back to the last caller.
  • Page 126 Configuring Basic Features In the desired DSS key field, select Call Return from the pull-down list of Type. Click Confirm to accept the change. To configure a call return key via phone user interface: Press Menu->Call Features->DSS Keys. Select the desired DSS key. Press , or the Switch soft key to select Key Event from the Type field.
  • Page 127 Administrator’s Guide for SIP-T4X IP Phones d&linepage=1 Phone User Interface Assign a call park key. To configure a call park key via web user interface: Click on DSSKey->Line Key. In the desired DSS key field, select Call Park from the pull-down list of Type.
  • Page 128 Configuring Basic Features Procedure Web server type can be configured using the configuration files or locally. Specify the web access type, HTTP port and HTTPS port. Configuration File <y0000000000xx>.cfg For more information, refer to Web Server Type on page 310. Specify the web access type, HTTP port and HTTPS port.
  • Page 129 Administrator’s Guide for SIP-T4X IP Phones Click Confirm to accept the change. A dialog box pops up to prompt that the settings will take effect after reboot. Click OK to reboot the IP phone. To configure the web server type via phone user interface: Press Menu->Advanced (password: admin) ->Network->Webserver Type.
  • Page 130 Configuring Basic Features To configure the presentation of the caller identity via web user interface: Click on Account. Select the desired account from the pull-down list of Account. Click on Advanced. Select the desired value from the pull-down list of the Caller ID Source. Click Confirm to accept the change.
  • Page 131 Administrator’s Guide for SIP-T4X IP Phones DTMF (Dual Tone Multi-frequency), better known as touch-tone, is used for telecommunication signaling over analog telephone lines in the voice-frequency band. DTMF is the signal sent from the IP phone to the network, which is generated when pressing the IP phone’s keypad during a call.

  • Page 132: Dtmf

    Configuring Basic Features same VoIP codec as your voice and is audible to the conversation partners. SIP INFO DTMF digits are transmitted by the SIP INFO messages when the voice stream is established after a successful SIP 200 OK-ACK message sequence. The SIP INFO message is sent along the signaling path of the call.
  • Page 133 Administrator’s Guide for SIP-T4X IP Phones If SIP INFO or AUTO or SIP INFO is selected, select the desired value from the pull-down list of DTMF Info Type. Enter the desired value in the DTMF Payload Type (96~127) field. Click Confirm to accept the change.

  • Page 134: Suppress Dtmf Display

    Configuring Basic Features Suppress DTMF display allows IP phones to suppress the display of DTMF digits. The DTMF digits are displayed as “*” on the LCD screen. Suppress DTMF display delay defines whether to display the DTMF digits for a short period of time before displaying as “*”.

  • Page 135: Transfer Via Dtmf

    Administrator’s Guide for SIP-T4X IP Phones Select the desired value from the pull-down list of Suppress DTMF Display Delay. Click Confirm to accept the change. Call transfer is implemented via DTMF on some traditional servers. The IP phone sends specified DTMF digits to the server for transferring calls to a third party.
  • Page 136 Configuring Basic Features Enter the specified DTMF digits in the Tran Send DTMF field. Click Confirm to accept the change. Intercom allows establishing an audio conversation directly. The IP phone can answer intercom calls automatically. This feature depends on support from a SIP server. Intercom is a useful feature in office environments to quickly connect with an operator or secretary.

  • Page 137: Intercom

    Administrator’s Guide for SIP-T4X IP Phones ?p=dsskey&model=1&q=load&li nepage=1 Phone User Interface Assign an intercom key. To configure an intercom key via web user interface: Click on DSSKey->Line Key. In the desired DSS key field, select Intercom from the pull-down list of Type.

  • Page 138: Incoming Intercom Calls

    Configuring Basic Features Intercom Mute Intercom Mute allows the IP phone to mute the microphone for incoming intercom calls. Intercom Tone Intercom Tone allows the IP phone to play a warning tone before answering an intercom call. Intercom Barge Intercom Barge allows the IP phone to automatically answer an incoming intercom call while an active call is in progress.
  • Page 139 Administrator’s Guide for SIP-T4X IP Phones Select the desired values from the pull-down lists of Accept Intercom, Intercom Mute, Intercom Tone and Intercom Barge. Click Confirm to accept the change. To configure intercom via phone user interface: Press Menu->Call Features->Intercom.

  • Page 140: Configuring Advanced Features

    Configuring Advanced Features This chapter provides information for making configuration changes for the following advanced features: Distinctive Ring Tones  Tones  Remote Phone Book  LDAP  Busy Lamp Field  Music on Hold  Automatic Call Distribution  Message Waiting Indicator ...
  • Page 141 Administrator’s Guide for SIP-T4X IP Phones Alert-Info headers in the following two formats: Alert-Info: localIP/Bellcore-drN Alert-Info: <URL>;info=info text;x-line-id=0 If the Alter-Info header contains the keyword “Bellcore-drN”, the IP phone will play  the Bellcore-drN ring tone (N=1, 2, 3, 4 or 5) (if the parameter “features.alert_info_tone”...
  • Page 142 Configuring Advanced Features If the Alert-Info header contains a remote URL, the IP phone will try to download the  WAV ring tone file from the URL and then play the remote ring tone (if the parameter “account.X.alert_info_url_enable” is set to 1). If it fails to download the file, the IP phone will plays the local ring tone associated with info text.
  • Page 143 Administrator’s Guide for SIP-T4X IP Phones Select the desired value from the pull-down list of Distinctive Ring Tones. Click Confirm to accept the change. To configure the internal ringer text and internal ringer file via web user interface: Click on Settings->Ring.
  • Page 144 Configuring Advanced Features When receiving a message or recording a call, the IP phone will play a warning tone. You can customize tones or select specialized tone sets (vary from country to country) to indicate different conditions of the IP phone. The default tones used on IP phones are the US tone sets.

  • Page 145: Tones

    Administrator’s Guide for SIP-T4X IP Phones Configured tones can be heard on the IP phone for the following conditions: Condition Description Dial When in the pre-dialing interface Ring Back Ring-back tone Busy When the callee is busy Congestion When the network is congested...
  • Page 146 Configuring Advanced Features Select the desired type from the pull-down list of Select Country. If you select Custom, you can customize the tone for indicating each condition of the IP phone. Click Confirm to accept the change. Remote phone book is a centrally maintained phone book, stored on the remote server. Users only need the access URL of the remote phone book.

  • Page 147: Remote Phone Book

    Administrator’s Guide for SIP-T4X IP Phones phone book when the IP phone receives incoming calls. Specify how often the IP phone refreshes the local cache of the remote phone book. For more information, refer to Remote Phone Book on page 322.

  • Page 148: Ldap

    Configuring Advanced Features Enter the name in the Display Name field. Click Confirm to accept the change. To configure the remote phone book via web user interface: Click on Directory->Remote Phone Book. Select the desired value from the pull-down list of Search Remote Phonebook Name.
  • Page 149 Administrator’s Guide for SIP-T4X IP Phones edited or deleted by users. When an LDAP server is properly configured, the IP phone can look up entries from the LDAP server in a wide variety of ways. The LDAP server indexes all the data in its entries, and "filters" may be used to select the desired contact or group, and return the desired information.
  • Page 150 Configuring Advanced Features et?p=contacts-LDAP&q=load Assign an LDAP key. Navigate to: http://<phoneIPAddress>/servl et?p=dsskey&model=1&q=loa d&linepage=1 Phone User Interface Assign an LDAP key. To configure LDAP via web user interface: Click on Directory->LDAP. Select Enabled from the pull-down list of Enable LDAP. Enter the values in the corresponding fields. Select the desired values from the corresponding pull-down lists.

  • Page 151: Busy Lamp Field

    Administrator’s Guide for SIP-T4X IP Phones In the desired DSS key field, select LDAP from the pull-down list of Type. Click Confirm to accept the change. To configure an LDAP key via phone user interface: Press Menu->Call Features->DSS Keys. Select the desired DSS key.
  • Page 152 Configuring Advanced Features how to configure the directed call pickup code for the Pickup soft key, refer to Directed Call Pickup on page 102. BLF LED Mode BLF LED Mode provides four kinds of definition for the BLF key LED status. The following table lists the LED statuses of the BLF key when BLF LED Mode is set to 0, 1, 2 or 3 respectively.
  • Page 153 Administrator’s Guide for SIP-T4X IP Phones Line key LED (configured as a BLF key and BLF LED Mode is set to 3) LED Status Description Fast flashing red (200ms) The monitored user receives an incoming call. The monitored user is busy.
  • Page 154 Configuring Advanced Features Phone User Interface Assign a BLF key. To configure a BLF key via web user interface: Click on DSSKey->Line Key. In the desired DSS key field, select BLF from the pull-down list of Type. Enter the phone number or extension you want to monitor in the Value field. Select the desired line from the pull-down list of Line.
  • Page 155 Administrator’s Guide for SIP-T4X IP Phones Select the desired value from the pull-down list of Audio Alert for BLF Pickup. Click Confirm to accept the change. To configure BLF LED mode via web user interface: Click on Features->General Information. Select the desired value from the pull-down list of BLF LED mode.

  • Page 156: Music On Hold

    Configuring Advanced Features To configure a BLF key via phone user interface: Press Menu->Call Features->DSS Keys. Select the desired DSS key. Press , or the Switch soft key to select BLF from the Type field. Press , or the Switch soft key to select the desired line from the Account ID field.

  • Page 157: Automatic Call Distribution

    Administrator’s Guide for SIP-T4X IP Phones Enter the SIP URI (e.g., sip:moh@sip.com) in the Music Server URI field. Click Confirm to accept the change. Automatic Call Distribution (ACD) enables organizations to manage a large number of phone calls on an individual basis. ACD enables the use of IP phones in a call-center role by automatically distributing incoming calls to available users, or agents.
  • Page 158 Configuring Advanced Features Procedure ACD can be configured using the configuration files or locally. Configure ACD. <MAC>.cfg For more information, refer to on page 331. Assign an ACD key. For more information, refer to Configuration File ACD Key on page 393. <y0000000000xx>.cfg Configure ACD auto available timer.
  • Page 159 Administrator’s Guide for SIP-T4X IP Phones Click Confirm to accept the change. To configure the ACD auto available timer feature via web user interface: Click on Features->ACD. Select the desired value from the pull-down list of ACD Auto Available. Enter the desired timer in the ACD Auto Available Timer (0~120s) field.

  • Page 160: Message Waiting Indicator

    Configuring Advanced Features feature on IP phones. IP phones can subscribe the MWI messages to the account or the voice mail number. IP phones do not need to subscribe to message-summary updates. The server automatically sends a message-summary NOTIFY in a new dialog each time the MWI status changes.
  • Page 161 Administrator’s Guide for SIP-T4X IP Phones Enter the period time in the MWI Subscription Period (Seconds) field. Click Confirm to accept the change. The IP phone will subscribe to the account number for MWI service by default. To configure subscribe MWI to voice mail via web user interface: Click on Account.

  • Page 162: Multicast Paging

    Configuring Advanced Features Multicast paging allows IP phones to send/receive Real-time Transport Protocol (RTP) streams to/from the pre-configured multicast address(es) without involving SIP signaling. Up to 10 listening multicast addresses can be specified on the IP phone. Users can send an RTP stream without involving SIP signaling by pressing a configured multicast paging key.
  • Page 163 Administrator’s Guide for SIP-T4X IP Phones In the desired DSS key field, select Paging from the pull-down list of Type. Enter the multicast IP address and port number in the Value field. The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.

  • Page 164: Receiving Rtp Stream

    Configuring Advanced Features To configure a multicast paging key via phone user interface: Press Menu->Call Features->DSS Keys. Select the desired DSS key. Press , or the Switch soft key to select Key Event from the Type field. Press , or the Switch soft key to select Multicast Paging from the Key Event field.
  • Page 165 Administrator’s Guide for SIP-T4X IP Phones Configure the listening multicast address. Configure the Paging Barge and Paging Priority Active features. Local Web User Interface Navigate to: http://<phoneIPAddress>/servlet ?p=contacts-multicastIP&q=load To configure a listening multicast address via web user interface: Click on Directory->Multicast IP.

  • Page 166: Call Recording

    Configuring Advanced Features Select the desired value from the pull-down list of Paging Priority Active. Click Confirm to accept the change. Call recording enables users to record calls. It depends on support from a SIP server. When the user presses the call record key, the IP phone sends a record request to the server.

  • Page 167: Url Record

    Administrator’s Guide for SIP-T4X IP Phones User-Agent: Yealink SIP-T46G 28.72.0.1 Record: on Content-Length: 0 When the user presses the record key for the second time, the IP phone sends a SIP INFO message to the server with the specific header “Record: off”, and then the recording stops.
  • Page 168 Configuring Advanced Features If the recording fails for some reasons, for example, the recording box is full, the server will respond with a 200 OK message. Example of a 200 OK message: <YealinkIPPhoneText> <Title> </Title> <Text> Probably the recording box is full. </Text>...
  • Page 169 Administrator’s Guide for SIP-T4X IP Phones To configure a record key via web user interface: Click on DSSKey->Line Key. In the desired DSS key field, select Record from the pull-down list of Type. Click Confirm to accept the change. To configure a URL record key via web user interface: Click on DSSKey->Line Key.

  • Page 170: Hot Desking

    Configuring Advanced Features (Optional.) Enter the string that will appear on the LCD screen in the Label field. Press the Save soft key to accept the change. To configure a URL record key via phone user interface: Press Menu->Call Features->DSS Keys. Select the desired DSS key.

  • Page 171: Action Url

    Administrator’s Guide for SIP-T4X IP Phones In the desired DSS key field, select Hot Desking from the pull-down list of Type. Click Confirm to accept the change. To configure a hot desking key via phone user interface: Press Menu->Call Features->DSS Keys.
  • Page 172 Configuring Advanced Features Event Description Incoming Call When the IP phone receives an incoming call. Outgoing Call When the IP phone places a call. Established When the IP phone establishes a call. Terminated When the IP phone terminates a call. Open DND When the IP phone enables the DND mode.
  • Page 173 Administrator’s Guide for SIP-T4X IP Phones value. Variable name can be customized by users, while the variable value is http://192.168.1.10/help.xml?mac=$mac pre-defined. For example, a URL “ ” is specified for the event Mute, $mac will be dynamically replaced with the MAC address of the IP phone when the IP phone mutes a call.

  • Page 174: Action Url

    Configuring Advanced Features Procedure Action URL can be configured using the configuration files or locally. Configure the action URL on the IP phone. Configuration File <y0000000000xx>.cfg For more information, refer to Action URL on page 336. Configure the action URL on the IP phone.
  • Page 175 Administrator’s Guide for SIP-T4X IP Phones message. A GET request may contain variable named as “key” and variable value, which are separated by “=”. The valid URI format is: http(s)://phone IP address/servlet?key=variable value. The following table lists the pre-defined variable values.

  • Page 176: Action Uri

    Configuring Advanced Features Variable Value Phone Action ANSWER Answer a call. Reset Reset a phone. ATrans=xxx Perform a semi-attended/attended transfer to xxx. BTrans=xxx Perform a blind transfer to xxx. CALLEND End a call. Note The variable value is not applicable to all events. For example, the variable value “MUTE”...

  • Page 177: Server Redundancy

    Administrator’s Guide for SIP-T4X IP Phones Enter the IP address or any in the Action URI allow IP List field. Multiple IP addresses are separated by commas. If you enter “any” in this field, the IP phone can receive and handle GET requests from any IP address. If you leave the field blank, the IP phone cannot receive or handle any HTTP GET request.

  • Page 178: Phone Registration

    Configuring Advanced Features phone may be configured is shown as below. In the example, server redundancy for fallback and failover purposes is deployed. Two separate SIP servers (a working server and a fallback server) are configured for per line registration. Working Server: Server 1 is configured with the domain name of the working server.

  • Page 179: Server Redundancy

    Administrator’s Guide for SIP-T4X IP Phones Procedure Server redundancy can be configured using the configuration files or locally. Configure the server redundancy on the IP phone. Configuration File <MAC>.cfg For more information, refer to Server Redundancy on page 338. Configure the server redundancy on the IP phone.
  • Page 180 Configuring Advanced Features Parameters are explained in the following table: Parameter Description Specify preferential treatment for the specific record. The order order is from lowest to highest, lower order is MORE preferred. Specify the preference for processing multiple NAPTR records pref with the same order value.

  • Page 181: Sip Server Domain Name Resolution

    Administrator’s Guide for SIP-T4X IP Phones SRV query returns two records. The two SRV records point to different hosts and have the same priority 0. The weight of the second record is higher than the first one, so the second record will be picked first. The two records also contain a port “5060”, the IP phone uses this port.
  • Page 182 Configuring Advanced Features Configure the transport type. Navigate to: Local Web User Interface http://<phoneIPAddress>/servl et?p=account-register&q=load &acc=0 To configure the server redundancy and transport type via web user interface: Click on Account. Select the desired account from the pull-down list of Account. Select the desired value from the pull-down list of Transport.

  • Page 183: Lldp

    Administrator’s Guide for SIP-T4X IP Phones LLDP-MED (Media Endpoint Discovery) LLDP-MED is published by the Telecommunications Industry Association (TIA). It is an extension to LLDP that operates between endpoint devices and network connectivity devices. LLDP-MED provides the following capabilities for IP phones: Capabilities Discovery -- allows LLDP-MED IP phones to determine the capabilities ...
  • Page 184 Inventory – Serial Serial number of phone. Number Inventory – Manufacturer name of phone. Manufacturer Name The default value is “yealink”. Inventory – Model Model name of phone. Name Assertion identifier of phone. Asset ID The default value is “asset”.
  • Page 185 Administrator’s Guide for SIP-T4X IP Phones Navigate to: http://<phoneIPAddress>/servl et?p=network-adv&q=load To configure LLDP via web user interface: Click on Network->Advanced. In the LLDP block, select the desired value from the pull-down list of Active. Enter the desired time interval in the Packet Interval (1~3600s) field.

  • Page 186: Vlan

    Configuring Advanced Features tagged packets to the corresponding VLAN according to the VLAN ID in the tag as described in IEEE Std 802.3. The VLAN feature on IP phones allows simultaneous access for a regular PC. This feature allows a PC to be daisy chained to an IP phone and the connection for both PC and IP phone to be trunked through the same physical Ethernet cable.
  • Page 187 Administrator’s Guide for SIP-T4X IP Phones Active. Enter the VLAN ID in the VID (1-4094) field. Select the desired value (0-7) from the pull-down list of Priority. Click Confirm to accept the change. A dialog box pops up to prompt reboot to make the settings effective.
  • Page 188 Configuring Advanced Features Click Confirm to accept the change. A dialog box pops up to prompt that settings will take effect after reboot. Click OK to reboot the IP phone. To configure the DHCP VLAN discovery via web user interface: Click on Network->Advanced.
  • Page 189 Administrator’s Guide for SIP-T4X IP Phones VPN (Virtual Private Network) is a secured private network connection built on top of public telecommunication infrastructure, such as the Internet. It provides remote offices or individual users with secure access to their organization's network. VPN has become more prevalent due to the benefits of scalability, reliability, convenience and security.
  • Page 190 Configuring Advanced Features et?p=network-adv&q=load Configure the OpenVPN Phone User Interface feature. To upload the tar file to the IP phone and configure VPN via web user interface: Click on Network->Advanced. Click Browse to locate the tar package from the local system. Click Upload to upload the tar file.

  • Page 191: Quality Of Service

    Administrator’s Guide for SIP-T4X IP Phones Quality of Service (QoS) is the ability to provide different priorities to different packets in the network, allowing the transport of traffic with special requirements. QoS guarantees are important for applications that require fixed bit rate and are delay sensitive when the network capacity is insufficient.

  • Page 192: Voice Qos

    Configuring Advanced Features high-quality QoS only if the voice and the SIP packets are given priority over other kinds of network traffic. IP phones support the DiffServ model of QoS. Voice QoS In order to make VoIP transmissions intelligible to receivers, voice packets should not be dropped, excessively delayed, made to suffer varying delay.

  • Page 193: Network Address Translation

    Administrator’s Guide for SIP-T4X IP Phones Enter the desired value in the SIP Qos (0~63) field. Click Confirm to accept the change. A dialog box pops up to prompt that the settings will take effect after reboot. Click OK to reboot the IP phone.
  • Page 194 Configuring Advanced Features has allocated for the UDP connections to remote parties. The protocol requires assistance from a third-party network server (STUN server) usually located on public Internet. The IP phone can be configured to act as a STUN client, sending exploratory STUN messages to the STUN server.

  • Page 195: X Authentication

    Administrator’s Guide for SIP-T4X IP Phones Click Confirm to accept the change. IEEE 802.1X authentication is an IEEE standard for Port-based Network Access Control (PNAC), part of the IEEE 802.1 group of networking protocols. It offers an authentication mechanism for devices to connect to a LAN or WLAN. The 802.1X authentication involves three parties: a supplicant, an authenticator and an authentication server.
  • Page 196 Configuring Advanced Features 2) Enter the password for authentication in the MD5 Password field. b) If you select EAP-TLS: 1) Enter the user name for authentication in the Identity field. 2) Leave the MD5 Password field blank. 3) In the CA Certificates field, click Browse to locate the desired CA certificate (*.pem,*.crt, *.cer or *.der) from your local system.
  • Page 197 Administrator’s Guide for SIP-T4X IP Phones 5) Click Upload to upload the certificates. c) If you select PEAP-MSCHAPv2: 1) Enter the user name for authentication in the Identity field. 2) Enter the password for authentication in the MD5 Password field.
  • Page 198 Configuring Advanced Features 4) Click Upload to upload the certificate. d) If you select EAP-TTLS/EAP-MSCHAPv2: 1) Enter the user name for authentication in the Identity field. 2) Enter the password for authentication in the MD5 Password field. 3) In the CA Certificates field, click Browse to locate the desired certificate (*.pem,*.crt, *.cer or *.der) from your local system.
  • Page 199 Administrator’s Guide for SIP-T4X IP Phones 4) Click Upload to upload the certificate. Click Confirm to accept the change. A dialog box pops up to prompt that the settings will take effect after reboot. Click OK to reboot the IP phone.
  • Page 200 Configuring Advanced Features Click Save to accept the change. The IP phone reboots automatically to make the settings effective after a period of time. TR-069 is a technical specification defined by the Broadband Forum, which defines a mechanism that encompasses secure auto-configuration of a CPE (Customer-Premises Equipment), and incorporates other CPE management functions into a common framework.
  • Page 201 Administrator’s Guide for SIP-T4X IP Phones RPC Method Description File types supported by IP phones are: Firmware Image  Configuration File  This method is used to cause the CPE to upload a specified file to the designated location. File types supported by IP phones are:...
  • Page 202 Configuring Advanced Features Enter the URL of the ACS in the ACS URL field. Select the desired value from the pull-down list of Enable Periodic Inform. Enter the desired time in the Periodic Inform Interval (seconds) field. Enter the user name and password authenticated by the IP phone in the Connection Request Username and Connection Request Password fields.
  • Page 203 Administrator’s Guide for SIP-T4X IP Phones the link. These announcements can allow the on-link connected IP phone to configure itself with IPv6 address, as specified in RFC 4862. Stateful DHCPv6: The Dynamic Host Configuration Protocol for IPv6 (DHCPv6) has ...
  • Page 204 Configuring Advanced Features In the IPv6 Config block, mark the DHCP or the Static IP Address radio box. If you mark the Static IP Address radio box, configure the IPv6 address and other configuration parameters in the corresponding fields. (Optional.) If you mark the DHCP radio box, you can configure the static DNS address in the corresponding fields.
  • Page 205 Administrator’s Guide for SIP-T4X IP Phones Click Confirm to accept the change. A dialog box pops up to prompt that the settings will take effect after reboot. Click OK to reboot the IP phone. To configure SLAAC feature via web user interface (not applicable to SIP-T42G/T41P): Click on Network->Advanced.

  • Page 206: Headset Prior

    Configuring Audio Features This chapter provides information for making configuration changes for the following audio features: Headset Prior  Dual Headset  Audio Codecs  Acoustic Clarity Technology  Headset prior allows users to use headset preferentially if a headset is physically connected to the IP phone.
  • Page 207 Administrator’s Guide for SIP-T4X IP Phones Select the desired value from the pull-down list of Headset Prior. Click Confirm to accept the change. Dual headset allows users to use two headsets on one IP phone. To use this feature, users need to physically connect two headsets to the headset and handset jacks respectively.
  • Page 208 Configuring Audio Features To configure dual headset via web user interface: Click on Features->General Information. Select the desired value from the pull-down list of Dual-Headset. Click Confirm to accept the change. CODEC is an abbreviation of COmpress-DECompress, capable of coding or decoding a digital data stream or signal by implementing an algorithm.
  • Page 209 Administrator’s Guide for SIP-T4X IP Phones these codecs are configurable on a per-line basis. The attribute “rtpmap” is used to define a mapping from RTP payload codes to a codec, clock rate and other encoding parameters. The corresponding attributes of the codec are listed as follows:...

  • Page 210: Audio Codecs On

    Configuring Audio Features 10 to 60, in increments of 10 milliseconds. The default ptime is 20ms. You can also disable the ptime negotiation. Procedure Configuration changes can be performed using the configuration files or locally. Configure the codecs to use on a per-line basis.
  • Page 211 Administrator’s Guide for SIP-T4X IP Phones Click to adjust the priority of the enabled codecs. Click Confirm to accept the change. To configure the Ptime on a per-line basis via web user interface: Click on Account. Select the desired account from the pull-down list of Account.

  • Page 212: Acoustic Echo Cancellation

    Configuring Audio Features Acoustic Echo Cancellation (AEC) is used to remove acoustic echo from a voice communication in order to improve the voice quality. It also increases the capacity achieved through silence suppression by preventing echo from traveling across a network.

  • Page 213: Voice Activity Detection

    Administrator’s Guide for SIP-T4X IP Phones Voice Activity Detection (VAD) is used in speech processing to detect the presence or absence of human speech. When detecting period of “silence”, VAD replaces that silence efficiently with special packets that indicate silence is occurring. It can facilitate speech processing, and deactivate some processes during non-speech section of an audio session.

  • Page 214: Comfort Noise Generation

    Configuring Audio Features Comfort Noise Generation (CNG) is used to generate background noise for voice communications during periods of silence in a conversation. It is a part of the silence suppression or VAD handling for VoIP technology. CNG, in conjunction with VAD algorithms, quickly responds when periods of silence occur and inserts artificial noise until voice activity resumes.

  • Page 215: Jitter Buffer

    Administrator’s Guide for SIP-T4X IP Phones Jitter buffer is a shared data area where voice packets can be collected, stored, and sent to the voice processor in even intervals. Jitter is a term indicating variations in packet arrival time, which can occur because of network congestion, timing drift or route changes.
  • Page 216 Configuring Audio Features Enter the fixed delay time for fixed jitter buffer in the Normal field. Valid values range from 0 to 300. Click Confirm to accept the change.
  • Page 217 Administrator’s Guide for SIP-T4X IP Phones...

  • Page 218: Configuring Security Features

    SIP-T4X IP phones support TLS 1.0. A cipher suite is a named combination of authentication, encryption, and message authentication code (MAC) algorithms used to negotiate the security settings for a network connection using the TLS/SSL network protocol.
  • Page 219 Administrator’s Guide for SIP-T4X IP Phones AES256-SHA  EDH-RSA-DES-CBC3-SHA  EDH-DSS-DES-CBC3-SHA  DES-CBC3-SHA  DHE-RSA-AES128-SHA  DHE-DSS-AES128-SHA  AES128-SHA  IDEA-CBC-SHA  DHE-DSS-RC4-SHA  RC4-SHA  RC4-MD5  EXP1024-DHE-DSS-DES-CBC-SHA  EXP1024-DES-CBC-SHA  EDH-RSA-DES-CBC-SHA  EDH-DSS-DES-CBC-SHA  DES-CBC-SHA  EXP1024-DHE-DSS-RC4-SHA ...
  • Page 220 *.pem and *.cer. A unique server certificate: It is installed by default and is unique to an IP phone (based on the MAC address) and issued by the Yealink Certificate Authority (CA). A generic server certificate: It is installed by default and is issued by the Yealink Certificate Authority (CA).
  • Page 221 Administrator’s Guide for SIP-T4X IP Phones Procedure Configuration changes can be performed using the configuration files or locally. Configure TLS on a per-line basis. <MAC>.cfg For more information, refer to on page 366. Configure the trusted certificates feature. Configure the server certificates Configuration File feature.
  • Page 222 Configuring Security Features Select the desired value from the pull-down list of Common Name Validation. Select the desired value from the pull-down list of CA Certificates. Click Confirm to accept the change. A dialog box pops up to prompt that the settings will take effect after reboot. Click OK to reboot the IP phone.
  • Page 223 Administrator’s Guide for SIP-T4X IP Phones To upload a trusted certificate via web user interface: Click on Security->Trusted Certificates. Click Browse to locate the certificate (*.pem,*.crt, *.cer or *.der) from your local system. Click Upload to upload the certificate. To configure the server certificates feature via web user interface: Click on Security->Server Certificates.

  • Page 224: Secure Real-Time Transport Protocol

    Configuring Security Features Click Browse to locate the certificate (*.pem or *.cer) from your local system. Click Upload to upload the certificate. The dialog box pops up to prompt “Success: The Server Certificate has been loaded! Rebooting, please wait…”. Secure Real-Time Transport Protocol (SRTP) encrypts RTP streams during VoIP phone calls to avoid interception and eavesdropping.
  • Page 225 Administrator’s Guide for SIP-T4X IP Phones The callee receives the INVITE message with the RTP encryption algorithm, and then answers the call by responding with a 200 OK message which carries the negotiated RTP encryption algorithm. Example of the RTP encryption algorithm carried in the SDP of the 200 OK message:...

  • Page 226: Encrypting Configuration Files

    This tool generates another new file named as Aeskey.txt to store the plaintext 16-character symmetric keys for each configuration file. For a Microsoft Windows platform, you can use a Yealink-supplied encryption tool "Config_Encrypt_Tool.exe" to encrypt the <y0000000000xx>.cfg and <MAC>.cfg files respectively.

  • Page 227: Procedure To Encrypt Configuration Files

    Administrator’s Guide for SIP-T4X IP Phones For the security reasons, administrator should upload encrypted configuration files, <y0000000000xx_Security>.enc and/or <MAC_Security>.enc files to the root directory of the provisioning server. During auto provisioning, the IP phone requests to download <y0000000000xx>.cfg file first. If the downloaded configuration file is encrypted, the phone will request to download <y0000000000xx_Security>.enc file (if enabled) and...
  • Page 228 Configuring Security Features using random AES key. The AES keys of configuration files are different. Note AES keys must be 16 characters and the supported characters contain: 0 ~ 9, A ~ Z, a ~ Click Encrypt to encrypt the configuration file(s). Click OK.
  • Page 229 Administrator’s Guide for SIP-T4X IP Phones on page 369. Configure the AES keys. Navigate to: Local Web User Interface http://<phoneIPAddress>/servl et?p=settings-autop&q=load To configure the AES keys via web user interface: Click on Settings->Auto Provision. Enter the values in the Common AES Key and MAC-Oriented AES Key fields.

  • Page 230: Upgrading Firmware

    SIP-T41P 36.x.x.x.rom Note You can download the latest firmware online: http://www.yealink.com/DocumentDownload.aspx?CateId=142&flag=142. Upgrade via Web User Interface To manually upgrade firmware via web user interface, you need to store the firmware to the local system in advance. To upgrade firmware manually via web user interface: Click on Settings->Upgrade.
  • Page 231 Administrator’s Guide for SIP-T4X IP Phones A dialog box pops up to prompt “Firmware of the SIP Phone will be updated. It will take 5 minutes to complete. Please don't power off!”. Click OK to confirm the upgrade. Note Do not unplug the network and power cables when the IP phone is upgrading firmware.

  • Page 232: Upgrading Firmware On

    Upgrading Firmware For more information, refer to Upgrading Firmware on page 371. Configure the way for the IP phone to check for configuration files. Local Web User Interface Navigate to: http://<phoneIPAddress>/servl et?p=settings-autop&q=load To configure the way for the IP phone to check for new configuration files via web user interface: Click on Settings->Auto Provision.
  • Page 233 Administrator’s Guide for SIP-T4X IP Phones...

  • Page 234: Resource Files

    IP phone. The resources files can be local contact directory, remote phone book and so on. Ask Yealink field application engineer for resource file templates. If the resource file is to be used for all IP phones of the same model, the resource file access URL is best specified in the <y0000000000xx>.cfg file.
  • Page 235 Administrator’s Guide for SIP-T4X IP Phones Procedure Use the following procedures to customize a replace rule template. To customize a replace rule template: Open the template file using an ASCII editor. Add the following string to the template, each starting on a separate line: <Data Prefix=””...
  • Page 236 Resource Files Procedure Use the following procedures to customize a dial-now template. To customize a dial-now template: Open the template file using an ASCII editor. Add the following string to the template, each starting on a separate line: <Data DialNowRule="" LineID=""/> Where: DialNowRule=""...
  • Page 237 Administrator’s Guide for SIP-T4X IP Phones the end of the default soft key list, the default soft keys are displayed on the LCD screen by default. Procedure Use the following procedures to customize a softkey layout template. To customize a softkey layout template: Open the template file using an ASCII editor.
  • Page 238 Resource Files You can add contacts one by one on the IP phone directly. You can also add multiple contacts at a time and/or share contacts between IP phones using the local contact template file. After setup, place the template file to the provisioning server, and specify the access URL of the template file in the configuration files.
  • Page 239 Administrator’s Guide for SIP-T4X IP Phones Where: display_name=”” specifies the name of the contact (This value cannot be blank or duplicated). office_number =”” specifies the office number of the contact. mobile_number=”” specifies the mobile number of the contact. other_number=”” specifies the other number of the contact.
  • Page 240 <DirectoryEntry> <Name>Jack</Name> <Telephone>1003</Telephone> </DirectoryEntry> <DirectoryEntry> <Name>John</Name> <Telephone>1004</Telephone> </DirectoryEntry> <DirectoryEntry> <Name>Marry</Name> <Telephone>1005</Telephone> </DirectoryEntry> </YealinkIPPhoneDirectory> Note Yealink supplies a phone book generation tool to quickly generate a remote XML phone Yealink Phonebook Generation Tool User Guide book. For more information, refer to...
  • Page 241 Administrator’s Guide for SIP-T4X IP Phones Directory provides easy access to frequently used lists. The lists may contain Local Directory, History, Remote Phone Book and LDAP . Users can access the lists by pressing the Directory soft key when the IP phone is idle. After setup, place the directory template to the provisioning server and specify the access URL in the configuration files.
  • Page 242 Resource Files The following is an example of a directory template: <root_favorite_set> <item id_name="localdirectory" display_name="Local Directory" priority="1" enable="1" /> <item id_name="history" display_name="History" priority="2" enable="0" /> <item id_name="remotedirectory" display_name="Remote Phone Book" priority="3" enable="0" /> <item id_name="ldap" display_name="LDAP" priority="4" enable="0" /> </root_favorite_set> The super search template allows you to search for a contact in your desired lists when the phone is in the dialing screen.

  • Page 243: Softkey Layout Template

    Administrator’s Guide for SIP-T4X IP Phones recommend editing this field. priority="" specifies the priority of search results. enable="" enables or disables the directory list. Specify the values within double quotes. Place this file to the provisioning server. The following is an example of a super search template: <root_super_search>...

  • Page 244: Remote Xml Phonebook

    Resource Files File on page 377. Configure the access URL of the remote XML phonebook. Configuration File <y0000000000xx>.cfg For more information, refer to Access URL of Remote XML Phone Book on page 378. Configure the access URL of the directory template. Configuration File <y0000000000xx>.cfg For more information, refer to...
  • Page 245 Administrator’s Guide for SIP-T4X IP Phones...

  • Page 246: Troubleshooting

    This chapter provides an administrator with general information for troubleshooting some common problems that he (or she) may encounter while using SIP-T4X IP phones. IP phones can provide feedback in a variety of forms such as log files, packets, status indicators and so on, which can help an administrator more easily find the system problem and fix it.
  • Page 247 Administrator’s Guide for SIP-T4X IP Phones Select the desired level from the pull-down list of System Log Level. Click Confirm to accept the change. A dialog box pops up to prompt “Do you want to restart your machine?”. Click OK to reboot the IP phone.
  • Page 248 Troubleshooting Click OK to reboot the IP phone. The system log will be exported to the desired syslog server after reboot. To export a log file to the local system via web user interface: Click on Settings->Configuration. Mark the Local radio box In the Export System Log field. Click Export to open file download window, and then save the file to your local system.
  • Page 249 Administrator’s Guide for SIP-T4X IP Phones You can capture packets in two ways: capturing the packets via web user interface or using the Ethernet software. You can analyze the packets captured for troubleshooting purpose. To capture packets via web user interface: Click on Settings->Configuration.

  • Page 250: Reading Icons On

    Troubleshooting To configure watch dog via web user interface: Click on Settings->Preference. Select the desired value from the pull-down list of Watch Dog. Click Confirm to accept the change. Status indicators may consist of the power LED, line key indicator, headset key indicator mute key indicator and the on-screen icon.
  • Page 251 This section describes solutions to common issues that may occur while using the IP phone. Upon encountering a scenario not listed in this section, contact your Yealink reseller for further support.
  • Page 252 Troubleshooting Press the OK key when the IP phone is idle to check the basic information (e.g., IP address, MAC address and firmware version). ’ Do one of the following: Ensure that the target firmware is not the same as the current firmware. ...
  • Page 253 Administrator’s Guide for SIP-T4X IP Phones A remote phone book is placed on a server, while a local phonebook is placed on the IP phone flash. A remote phone book can be used by everyone that can access the server, while a local phonebook can only be used by a specific phone.
  • Page 254 Troubleshooting IP phones use the PoE preferentially. Auto provisioning refers to the update of IP phones, including update on the configuration parameters, local phonebook, firmware and so on. You can use auto provisioning on a single phone, but it makes more sense in mass deployment. Plug and Play (PnP) is a method for IP phones to acquire the provisioning server address.
  • Page 255 Administrator’s Guide for SIP-T4X IP Phones Do one of the following: Reset another available IP address for the IP phone.  Check network configuration via phone user interface at the path  Menu->Advanced->Network->WAN Port->IPv4 (or IPv6). If the Static IP is selected, select DHCP instead.
  • Page 256 Troubleshooting Factory reset can restore the original password. All custom settings will be overwritten after reset.
  • Page 257 Administrator’s Guide for SIP-T4X IP Phones...

  • Page 258: Appendix

    Appendix 802.1x — an IEEE Standard for port-based Network Access Control (PNAC). It is a part of the IEEE 802.1 group of networking protocols. It offers an authentication mechanism for devices to connect to a LAN or WLAN. ACD (Automatic Call Distribution) — used to distribute calls from large volumes of incoming calls to the registered IP phone users.
  • Page 259 Administrator’s Guide for SIP-T4X IP Phones IEEE (Institute of Electrical and Electronics Engineers) — a non-profit professional association headquartered in New York City that is dedicated to advancing technological innovation and excellence. LAN (Local Area Network) — used to interconnects network devices in a limited area such as a home, school, computer laboratory, or office building.
  • Page 260 Appendix Time Zone Time Zone Name −11:00 Samoa −10:00 United States-Hawaii-Aleutian −10:00 United States-Alaska-Aleutian −09:00 United States-Alaska Time −08:00 Canada(Vancouver, Whitehorse) −08:00 Mexico(Tijuana, Mexicali) −08:00 United States-Pacific Time −07:00 Canada(Edmonton, Calgary) −07:00 Mexico(Mazatlan, Chihuahua) −07:00 United States-Mountain Time −07:00 United States-MST no DST −06:00 Canada-Manitoba(Winnipeg) −06:00...
  • Page 261 Administrator’s Guide for SIP-T4X IP Phones Time Zone Time Zone Name United Kingdom(London) Morocco +01:00 Albania(Tirane) +01:00 Austria(Vienna) +01:00 Belgium(Brussels) +01:00 Caicos +01:00 Chad +01:00 Spain(Madrid) +01:00 Croatia(Zagreb) +01:00 Czech Republic(Prague) +01:00 Denmark(Kopenhagen) +01:00 France(Paris) +01:00 Germany(Berlin) +01:00 Hungary(Budapest) +01:00...
  • Page 262 Appendix Time Zone Time Zone Name +04:30 Afghanistan +05:00 Kazakhstan(Aqtobe) +05:00 Kyrgyzstan(Bishkek) +05:00 Pakistan(Islamabad) +05:00 Russia(Chelyabinsk) +05:30 India(Calcutta) +06:00 Kazakhstan(Astana, Almaty) +06:00 Russia(Novosibirsk, Omsk) +07:00 Russia(Krasnoyarsk) +07:00 Thailand(Bangkok) +08:00 China(Beijing) +08:00 Singapore(Singapore) +08:00 Australia(Perth) +09:00 Korea(Seoul) +09:00 Japan(Tokyo) +09:30 Australia(Adelaide) +09:30 Australia(Darwin) +10:00...
  • Page 263 Administrator’s Guide for SIP-T4X IP Phones This appendix describes configuration parameters in the configuration files for each feature. The configuration files are <y0000000000xx>.cfg and <MAC>.cfg. You can set parameters in the configuration files to configure IP phones. The <y0000000000xx>.cfg and <MAC>.cfg files are stored on the provisioning server. The IP phone checks for configuration files and looks for resource files when restarting the IP phone.
  • Page 264 Appendix parameter “network.internet_port.type” is set to 0 (DHCP). Note: If you change this parameter, the IP phone will reboot to make the change take effect. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled Example network.static_dns_enable= 0 Parameter- Configuration File network.internet_port.type <MAC>.cfg Configures the Internet port type.
  • Page 265 Administrator’s Guide for SIP-T4X IP Phones Format Integer Default Value Valid values are: 0-IPv4 Range 1-IPv6 2-IPv4&IPv6 Example network.ip_address_mode = 0 Parameter- Configuration File network.internet_port.ip <MAC>.cfg Configures the IP address when the Internet port type is configured as Static IP Address.
  • Page 266 Appendix Address. Note: If you change this parameter, the IP phone will reboot to make the change take effect. Format IPv4 Address Default Value Blank Range Not Applicable network.internet_port.gateway = Example 192.168.1.254 Parameter- Configuration File network.primary_dns <MAC>.cfg Configures the primary DNS server when the Internet port type is configured as Static IP Address.
  • Page 267 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File network.internet_port.type <MAC>.cfg Configures the Internet port type. Note: If you change this parameter, the IP Description phone will reboot to make the change take effect. Format Integer Default Value Valid values are:...
  • Page 268 Appendix phones. Format String Default Value Blank Range String within 99 characters Example network.pppoe.password = yealink123 Internet Port Negotiation Parameter- Configuration File network.internet_port.speed_d <y0000000000xx>.cfg uplex Configures the transmission method of Internet port. Note: We recommend that you do not change Description this parameter.
  • Page 269 Administrator’s Guide for SIP-T4X IP Phones take effect. Format Integer Default Value Valid values are: 0-Auto negotiate 1-Full duplex, 10Mbps 2-Full duplex, 100Mbps Range 3-Half duplex, 10Mbps 4-Half duplex, 100Mbps 5-Full duplex, 1000Mbps (not applicable to SIP-T41P) Example network.pc_port.speed_duplex = 0...
  • Page 270 Appendix Parameter- Configuration File dialplan.replace.line_id.X <y0000000000xx>.cfg Configures the desired line to apply this replace rule. Description X ranges from 1 to 100. Note: Multiple line IDs are separated by commas. Format String Default Value Blank Valid values are: Range 0 to 6 (for SIP-T46G) 0 to 3 (for SIP-T42G/T41P) Example dialplan.replace.line_id.1 = 1,2...
  • Page 271 Administrator’s Guide for SIP-T4X IP Phones Default Value Blank Valid values are: Range 0 to 6 (for SIP-T46G) 0 to 3 (for SIP-T42G/T41P) Example dialplan.dialnow.line_id.1 = 1,2,3 Parameter- Configuration File phone_setting.dialnow_delay <y0000000000xx>.cfg Configures the delay time (in seconds) for the dial-now rule.
  • Page 272 Appendix Range 1 to 15 Example dialplan.area_code.min_len = 1 Parameter- Configuration File dialplan.area_code.max_len <y0000000000xx>.cfg Configures the maximum length of the entered numbers. Description Note: The value must be larger than the minimum length. Integer Format Default Value Range 1 to 15 Example dialplan.area_code.max_len = 15 Parameter-...
  • Page 273 Administrator’s Guide for SIP-T4X IP Phones Example dialplan.block_out.number.1 = 1000 Parameter- Configuration File dialplan.block_out.line_id.X <y0000000000xx>.cfg Configures the desired line to apply this block out rule. Description X ranges from 1 to 10. Note: Multiple line IDs are separated by commas.
  • Page 274 Appendix call. If it is set to 0, the status of the power indicator LED is determined by the value of the parameter “phone_setting.common_power_led_enable”. Format Boolean Default Value Valid values are: 0-Disabled (power indicator LED does not Range flash) 1-Enabled (power indicator LED fast flashes (300ms) red) phone_setting.ring_power_led_flash_enable = Example...
  • Page 275 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File phone_setting.mute_power_led <y0000000000xx>.cfg _flash_enable Enables or disables the power indicator LED to flash when a call is mute. If it is set to 0, the status of the power indicator Description LED is determined by the value of the parameter “phone_setting.common_power_led_enable”.
  • Page 276 Appendix Parameter- Configuration File phone_setting.talk_and_dial_p <y0000000000xx>.cfg ower_led_enable Enables or disables the power indicator LED to be turned on when the phone is busy. If it is set to 0, the status of the power indicator Description LED is determined by the value of the parameter “phone_setting.common_power_led_enable”.
  • Page 277 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File phone_setting.active_backlight <y0000000000xx>.cfg _level Configures the backlight level used to adjust the backlight intensity of the LCD screen. 10 is the brightest backlight level. Description Note: It is only applicable to SIP-T46G IP phones and the connected EXP40.
  • Page 278 Appendix when the IP phone is inactive for 60 seconds. Format Integer Default Value Valid values are: 0-Always on 15-15s 30-30s Range 60-60s 120-120s 300-300s 600-600s 1800-1800s Example phone_setting.backlight_time = 0 Parameter- Configuration File security.user_password <y0000000000xx>.cfg Configures a new user password for the IP phone.
  • Page 279 Administrator’s Guide for SIP-T4X IP Phones the IP phone. The IP phone uses “admin” as the default administrator password. A valid password should contain at least 6 characters, where at least one numeric and one alphabetic characters. Note: IP phones support ASCII characters 32-126(0x20-0x7E) only in passwords.
  • Page 280 Appendix Format Integer Default Value Valid values are: 0-All Keys Range 1-Function Keys 2-Menu Key Example phone_setting.phone_lock.lock_key_type Parameter- Configuration File phone_setting.phone_lock.unlo <y0000000000xx>.cfg ck_pin Configures a new unlock password. Description Once the IP phone is locked, you can use the default password “123” to unlock it. Format numeric characters Default Value...
  • Page 281 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File local_time.manual_time_enabl <MAC>.cfg Configures the phone to obtain time from NTP Description server or manual settings. Format Integer Default Value Valid values are: Range 0-Manual 1-NTP Example local_time.manual_time_enable = 1 NTP Server...
  • Page 282 Appendix Example local_time.ntp_server1 = 192.168.0.5 Parameter- Configuration File local_time.ntp_server2 <MAC>.cfg Configures the IP address or the domain name of the secondary NTP server. If the primary NTP Description server is not configured or cannot be accessed, the IP phone will request the time and date from the secondary NTP server.
  • Page 283 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File local_time.time_zone_name <MAC>.cfg Configures the desired time zone name. Description For more available time zone names, refer to Appendix B: Time Zones on page 245. Format String Default Value China(Beijing) Range String within 32 characters Example local_time.time_zone_name = China(Beijing)
  • Page 284 Appendix Parameter- Configuration File local_time.start_time <MAC>.cfg Configures the time to start DST. If “local_time.dst_time_type” is set to 0 (By Date), use the mapping: MM: 1=Jan, 2=Feb,…, 12=Dec DD:1=the first day in a month,…, 31= the last day in a month HH:0=1am, 1=2am,…, 23=12pm If “local_time.dst_time_type”...
  • Page 285 Administrator’s Guide for SIP-T4X IP Phones If “local_time.dst_time_type” is set to 1 (By Week), use the mapping: Month: 1=Jan, 2=Feb,…, 12=Dec Week of Month: 1=the first week in a month,…, 5=the last week in a month Day of Week: 1=Mon, 2=Tues,…, 7=Sun Hour of Day: 0=1am, 1=2am,…, 23=12pm...
  • Page 286 Appendix (Enabled). Format Integer Default Value Blank Range -300 to +300 Example local_time.offset_time = 120 Time Format Parameter- Configuration File local_time.time_format <MAC>.cfg Configures the time format. If it is set to 0 (12 Hour), the time display will Description use 12 hour format. If it is set to 1 (24 Hour), the time display will use 24 hour format.
  • Page 287 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File gui_lang.url <y0000000000xx>.cfg Configures the access URL of the language pack. Note: The language packs you load are Description dependent on available language packs from the provisioning server. You can download the language pack to the phone user interface only.
  • Page 288 Appendix Example lang.gui = English Parameter- Configuration File lang.wui <y0000000000xx>.cfg Configures the language used on the web user interface. Note: The default language used on the web user interface depends on the language Description preferences of your browser. If the language of your browser is not supported by the IP phone, the web user interface will use English by default.
  • Page 289 Administrator’s Guide for SIP-T4X IP Phones Note: It is not applicable to SIP-T46G IP phones. Format Integer Default Value Valid values are: 0-Disabled Range 1-System logo 2-Custom logo Example phone_setting.lcd_logo.mode = 2 Parameter- Configuration File lcd_logo.url <y0000000000xx>.cfg Configures the access URL of custom logo file.
  • Page 290 Appendix 0-Disabled 1-# key 2-* key Example features.key_as_send = 1 Parameter- Configuration File features.key_tone <y0000000000xx>.cfg Enables or disables the IP phone to play a tone when a user presses a key. Description If it is set to 1 (Enabled), the IP phone will play a tone when a user presses a key.
  • Page 291 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File features.hotline_number <y0000000000xx>.cfg Configures the hotline number. It specifies a number that the IP phone automatically dials out when lifting the Description handset, pressing the speakerphone key or the line key. Leaving it blank disables hotline feature.
  • Page 292 Appendix Parameter- Configuration File features.save_call_history <y0000000000xx>.cfg Enables or disables the IP phone to save call log. If it is set to 0 (Disabled), the IP phone cannot Description log the placed calls, received calls, missed calls and the forwarded calls in the call log lists.
  • Page 293 Administrator’s Guide for SIP-T4X IP Phones Example account.1.missed_calllog = 1 Parameter- Configuration File phone_setting.predial_autodial <y0000000000xx>.cfg Enables or disables live dialpad feature. If it is set to 1 (Enabled), the IP phone will Description automatically dial out the entered phone number without having to press any key.
  • Page 294 Appendix is automatically rejected by the IP phone with a busy message while during a call. If it is set to 1 (Enabled), the LCD screen will present a new incoming call while during a call. Format Boolean Default Value Valid values are: Range 0-Disabled...
  • Page 295 Administrator’s Guide for SIP-T4X IP Phones If it is set to 1 (Enabled), the IP phone will perform an audible indicator when receiving a new incoming call during a call. Note: It works only if the parameter “call_waiting.enable” is set to 1 (Enabled).
  • Page 296 Appendix Format Integer Default Value Range 1 to 300 Example auto_redial.interval = 10 Parameter- Configuration File auto_redial.times <y0000000000xx>.cfg Configures the redial times for the IP phone. The IP phone tries to redial the dialed number Description as many times as configured till the callee answers the call.
  • Page 297 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File <y0000000000xx>.cfg features.auto_answer_delay Configures the delay time (in seconds) before Description the IP phone automatically answers an incoming call. Format Integer Default Value Range 1 to 4 Example features.auto_answer_delay Parameter- Configuration File features.call_completion_enable...
  • Page 298 Appendix If it is set to 1 (Enabled), the IP phone will block its identity from showing up to the callee when placing a call. The callee’s phone LCD screen presents anonymous instead of the caller’s identity. X ranges from 1 to 6. Format Boolean Default Value...
  • Page 299 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File account.X.anonymous_call_onc <MAC>.cfg Configures the anonymous call on code to activate the server-side anonymous call Description feature for account X (optional). X ranges from 1 to 6. Format String Default Value Blank...
  • Page 300 Appendix Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled Example account.1.reject_anonymous_call = 1 Parameter- Configuration File account.X.anonymous_reject_o <MAC>.cfg ncode Configures the anonymous call rejection on code to activate the server-side anonymous Description call rejection feature for account X (optional). X ranges from 1 to 6.
  • Page 301 Administrator’s Guide for SIP-T4X IP Phones Return Message When DND Parameter- Configuration File features.dnd_refuse_code <y0000000000xx>.cfg Configures a return code and reason of SIP response messages when rejecting an incoming call by DND. A specific reason is displayed on the caller’s phone LCD screen.
  • Page 302 Appendix DND in Phone Mode Parameter- Configuration File features.dnd.enable <y0000000000xx>.cfg Enables or disables DND feature. Description If it is set to 1 (Enabled), the IP phone will reject incoming calls on all accounts. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled...
  • Page 303 Administrator’s Guide for SIP-T4X IP Phones DND in Custom Mode Parameter- Configuration File account.X.dnd.enable <MAC>.cfg Enables or disables DND for account X. If it is set to 1 (Enabled), the IP phone will reject Description incoming calls on account X.
  • Page 304 Appendix Example account.1.dnd.off_code = *74 Parameter- Configuration File features.busy_tone_delay <y0000000000xx>.cfg Configures a period of time (in seconds) for which the busy tone is audible on the IP phone. When one party releases the call, a busy tone Description is audible to the other party, indicating that the call connection breaks.
  • Page 305 Administrator’s Guide for SIP-T4X IP Phones 486-Busy here Example features.normal_refuse_code = 486 Parameter- Configuration File phone_setting.is_deal180 <y0000000000xx>.cfg Enables or disables the IP phone to deal with the 180 SIP message received after the 183 SIP message. Description If it is set to 1 (Enabled), the IP phone will resume and play the local ringback tone upon a subsequent 180 message received.
  • Page 306 Appendix Parameter- Configuration File account.X.advanced.timer_t1 <MAC>.cfg Configures the SIP session timer T1 (in seconds) for account X. T1 is an estimate of the Round Trip Time (RTT) Description of transactions between a SIP client and SIP server. X ranges from 1 to 6. Format Float Default Value...
  • Page 307 Administrator’s Guide for SIP-T4X IP Phones X ranges from 1 to 6. Format Float Default Value Range 2.5 to 60 Example account.1.advanced.timer_t4 = 5 Parameter- Configuration File account.X.session_timer.enable <MAC>.cfg Enables or disables the session timer for account X. If it is set to 1 (Enabled), IP phone will send...
  • Page 308 Appendix Example account.1.session_timer.expires = 1800 Parameter- Configuration File account.X.session_timer.refresher <MAC>.cfg Configures the session timer refresher for account X. If it is set to 0 (UAC), refreshing the session is performed by the IP phone. Description If it is set to 1 (UAS), refreshing the session is performed by a SIP server.
  • Page 309 Administrator’s Guide for SIP-T4X IP Phones the IP phone plays a hold tone. If it is set to 30, the IP phone will play a hold tone every 30 seconds when there is a hold call on the IP phone.
  • Page 310 Appendix phone. If it is set to 0 (Phone), call forward feature is effective for the IP phone. If it is set to 1 (Custom), you can configure call forward feature for each account. Format Integer Default Value Valid values are: Range 0-Phone 1-Custom...
  • Page 311 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File forward.always.on_code < y0000000000xx >.cfg Configures the always forward on code to Description activate the server-side always forward feature. Format String Default Value Blank Range String within 32 characters Example forward.always.on_code = *72...
  • Page 312 Appendix Parameter- Configuration File forward.busy.target < y0000000000xx >.cfg Configures the destination number of the Description busy forward. Format String Default Value Blank Range String within 32 characters Example forward.busy.target = 3602 Parameter- Configuration File forward.busy.on_code < y0000000000xx >.cfg Configures the busy forward on code to Description activate the server-side busy forward feature.
  • Page 313 Administrator’s Guide for SIP-T4X IP Phones forward to the destination number after a period of ring time. Format Boolean Default Value Valid values are: 0-Disabled Range 1-Enabled Example forward.no_answer.enable = 1 Parameter- Configuration File forward.no_answer.target < y0000000000xx >.cfg Configures the destination number of the no Description answer forward.
  • Page 314 Appendix Format String Default Value Blank Range String within 32 characters Example forward.no_answer.on_code = *76 Parameter- Configuration File forward.no_answer.off_code < y0000000000xx >.cfg Configures the no answer forward off code Description to deactivate the server-side no answer forward feature. Format String Default Value Blank Range...
  • Page 315 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File account.X.always_fwd.target <MAC>.cfg Configures the destination number of the always forward for account X. Description X ranges from 1 to 6. Format String Default Value Blank Range String within 32 characters Example account.1.always_fwd.target = 3601...
  • Page 316 Appendix Busy Forward Parameter- Configuration File account.X.busy_fwd.enable <MAC>.cfg Enables or disables busy forward feature for account X. If it is set to 1 (Enabled), incoming calls to the Description account X are forwarded to the destination number when the callee is busy. X ranges from 1 to 6.
  • Page 317 Administrator’s Guide for SIP-T4X IP Phones Range String within 32 characters Example account.1.busy_fwd.on_code = *73 Parameter- Configuration File account.X.busy_fwd.off_code <MAC>.cfg Configures the busy forward off code to deactivate the server-side busy forward Description feature for account X (optional). X ranges from 1 to 6...
  • Page 318 Appendix Format String Default Value Blank Range String within 32 characters Example account.1.timeout_fwd.target = 3603 Parameter- Configuration File account.X.timeout_fwd.timeout <MAC>.cfg Configures the ring times (N) to wait before forwarding incoming calls for account X. Incoming calls will be automatically Description forwarded when not answered after N*6 seconds.
  • Page 319 Administrator’s Guide for SIP-T4X IP Phones X ranges from 1 to 6. Format String Default Value Blank Range String within 32 characters Example account.1.timeout_fwd.off_code = *77 Fwd International Parameter- Configuration File forward.international.enable <y0000000000xx>.cfg Enables or disables the IP phone to forward...
  • Page 320 Appendix Parameter- Configuration File transfer.on_hook_trans_enable <y0000000000xx>.cfg Enables or disables the IP phone to complete Description the semi-attended transfer or the attended transfer through on-hook. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled Example transfer.on_hook_trans_enable = 1 Parameter- Configuration File transfer.semi_attend_tran_enable <y0000000000xx>.cfg Configures whether to display the missed...
  • Page 321 Administrator’s Guide for SIP-T4X IP Phones Format Integer Default Value Valid values are: Range 0-Local Conference 2-Network Conference Example account.1.conf_type = 0 Parameter- Configuration File account.X.conf_uri <MAC>.cfg Configures the conference URI for account X. X ranges from 1 to 6.
  • Page 322 Appendix 0-Disabled 1-Enabled Example transfer.tran_others_after_conf_enable = 1 Phone Basis Parameter- Configuration File features.pickup.direct_pickup_e <MAC>.cfg nable Enables or disables the IP phone to display Description the DPickup soft key when the IP phone is off-hook. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled...
  • Page 323 Administrator’s Guide for SIP-T4X IP Phones Per-line Basis Parameter- Configuration File account.X.direct_pickup_code <MAC>.cfg Configures the directed call pickup code on a per-line basis. X ranges from 1 to 6. Description Note: The directed call pickup code configured on a per-line basis takes precedence over that configured on a phone basis.
  • Page 324 Appendix Parameter- Configuration File features.pickup.group_pickup_co <MAC>.cfg Configures the group call pickup code on a phone basis. Description Note: The group call pickup code configured on a per-line basis takes precedence over that configured on a phone basis. Format String Default Value Blank Range String within 32 characters...
  • Page 325 Administrator’s Guide for SIP-T4X IP Phones X ranges from 1 to 6. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled Example account.1.dialoginfo_callpickup = 1 Parameter- Configuration File wui.http_enable <y0000000000xx>.cfg Enables or disables the IP phone to access its web user interface using HTTP protocol.
  • Page 326 Appendix Example network.port.http = 80 Parameter- Configuration File wui.https_enable <y0000000000xx>.cfg Enables or disables the IP phone to access its web user interface using HTTPS protocol. Description Note: If you change this parameter, the IP phone will reboot to make the change take effect.
  • Page 327 Administrator’s Guide for SIP-T4X IP Phones 0-FROM (Derives the name and number of the caller from the “From” header). 1-PAI (Derives the name and number of the caller from the “PAI” header. If the server does not send the “PAI” header, displays “anonymity”...
  • Page 328 Appendix receives an UPDATE message from the callee, and displays the identity in the From header. X ranges from 1 to 6. Format Integer Default Value Range 0 to 2 Example account.1.cp_source = 0 Parameter- Configuration File account.X.dtmf.type <MAC>.cfg Configures the DTMF type for account X. If it is set to 0 (INBAND), DTMF digits are transmitted in the voice band.
  • Page 329 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File account.X.dtmf.dtmf_payload <MAC>.cfg Configures the RFC 2833 payload type. Description X ranges from 1 to 6. Format Integer Default Value Range Integer from 96 to 127 Example account.1.dtmf.dtmf_payload = 101 Parameter- Configuration File account.X.dtmf.info_type...
  • Page 330 Appendix Parameter- Configuration File features.dtmf.hide <y0000000000xx>.cfg Enables or disables the IP phone to suppress the display of DTMF digits. Description If it is set to 1 (Enabled), the DTMF digits are displayed as asterisks. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled...
  • Page 331 Administrator’s Guide for SIP-T4X IP Phones the transfer soft key or the transfer key If it is set to 0 (Disabled), the IP phone will perform the transfer as normal when pressing the transfer key during a call. If it is set to 1 (Enabled), the IP phone will...
  • Page 332 Appendix reject incoming intercom calls and sends a busy signal to the caller. If it is set to 1 (Enabled), the IP phone will automatically answer an incoming intercom call. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled Example features.intercom.allow = 1 Parameter-...
  • Page 333 Administrator’s Guide for SIP-T4X IP Phones If it is set to 1 (Enabled), the IP phone will play a warning tone to alert you before answering the intercom call. Format Boolean Default Value Valid values are: 0-Disabled Range 1-Enabled Example features.intercom.tone = 1...
  • Page 334 Appendix the keywords in the Alert-info header to the specified Bellcore ring tones. Format Boolean Default Value Valid values are: 0-Disabled Range 1-Enabled Example features.alert_info_tone = 1 Parameter- Configuration File account.X.alert_info_url_enable <MAC>.cfg Enables or disables the distinctive ring tones feature for account X. If it is set to 1 (Enabled), the IP phone will try to download the WAV ring tone file from the Description...
  • Page 335 Administrator’s Guide for SIP-T4X IP Phones distinctive_ring_tones.alert_info.1.text = Example family Parameter- Configuration File distinctive_ring_tones.alert_info.X <y0000000000xx>.cfg .ringer Configures the desired ring tones for each text. The value ranges from 1 to 8, the digit stands Description for the appropriate ring tone.
  • Page 336 Appendix Belgium  China  Czech  Denmark  Finland  France  Germany  Great Britain  Greece  Hungary  Lithuania  India  Italy  Japan  Mexico  New Zealand  Netherlands  Norway  Portugal ...
  • Page 337 Administrator’s Guide for SIP-T4X IP Phones applicable to SIP-T42G/T41P IP phones. tonelist = element[,element] [,element]… Where element = [!]freq1[+freq2][+freq3][+freq4] /duration Freq: the frequency of the tone (ranges from 200 to 7000 Hz). If the frequency is set to 0Hz, it means silence. A tone can be comprised of at most four different frequencies.
  • Page 338 Appendix Parameter- Configuration File remote_phonebook.display_na <y0000000000xx>.cfg Configures the display name of the remote phone book. If you leave it blank, Remote Phone Book is Description displayed on the LCD screen at the path Menu->Directory. Note: It is only applicable to SIP-T46G IP phones.
  • Page 339 Administrator’s Guide for SIP-T4X IP Phones local cache of the remote phone book every 3600 seconds. Format Integer Default Value 21600 Range 3600 to 2592000 features.remote_phonebook.flash_time = Example 21600 Parameter- Configuration File ldap.enable <y0000000000xx>.cfg Enables or disables LDAP feature on the IP Description phone.
  • Page 340 Appendix screen. Parameter- Configuration File ldap.number_filter <y0000000000xx>.cfg Configures the number attribute for LDAP searching. The “*” symbol in the filter stands for any Description character. The “%” symbol in the filter stands for the entering string used as the prefix of the filter condition.
  • Page 341 Administrator’s Guide for SIP-T4X IP Phones Range 1 to 65535 Example ldap.port = 389 Parameter- Configuration File ldap.base <y0000000000xx>.cfg Configures the LDAP search base which corresponds to the location in the LDAP phonebook from which the LDAP search Description request begins. The search base narrows the search scope and decreases directory search time.
  • Page 342 Appendix access the LDAP server. Format String Default Value Blank Range String within 99 characters Example ldap.password = secret Parameter- Configuration File ldap.max_hits <y0000000000xx>.cfg Configures the maximum number of search results to be returned by the LDAP server. If the value of the “Max.Hits” is blank, the LDAP server will return all searched results.
  • Page 343 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File ldap.numb_attr <y0000000000xx>.cfg Configures the number attributes of each record to be returned by the LDAP server. It Description compresses the search results. You can configure multiple number attributes separated by space.
  • Page 344 Appendix Parameter- Configuration File ldap.call_in_lookup <y0000000000xx>.cfg Enables or disables the IP phone to perform Description an LDAP search when receiving an incoming call. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled Example ldap.call_in_lookup = 1 Parameter- Configuration File ldap.ldap_sort <y0000000000xx>.cfg Enables or disables the IP phone to sort the...
  • Page 345 Administrator’s Guide for SIP-T4X IP Phones Valid values are: Range 0-Disabled 1-Enabled Example features.pickup.blf_visual_enable = 1 Parameter- Configuration File features.pickup.blf_audio_enabl <MAC>.cfg Enables or disables the IP phone to play an Description alert tone when the monitored user receives an incoming call.
  • Page 346 Appendix address. Examples for valid values: <10.1.3.165>, 10.1.3.165, sip:moh@ucap.com, <sip:moh@ucap.com>, <yealink.com> or yealink.com. X ranges from 1 to 6. Note: The DNS query in this parameter only supports A query. Format String Default Value Blank Range String within 256 characters Example account.1.music_server_uri =<10.1.3.165>...
  • Page 347 Administrator’s Guide for SIP-T4X IP Phones 0- Disabled 1- Enabled Example acd.auto_available = 1 Parameter- Configuration File acd.auto_available_timer <y0000000000xx>.cfg Configures the length of time (in seconds) Description before the IP phone state is automatically reset to “available”. Format Integer Default Value...
  • Page 348 Appendix The IP phone is able to successfully refresh the SUBCRIBE for message-summary events before expiration of the SUBSCRIBE dialog. X ranges from 1 to 6. Note: It works only if the parameter “account.x.subscribe_mwi” is set to 1 (Enabled). Format Integer Default Value 3600...
  • Page 349 Administrator’s Guide for SIP-T4X IP Phones Example voice_mail.number.1 = 3606 Parameter- Configuration File multicast.codec <y0000000000xx>.cfg Configures a multicast codec for the IP Description phone to use to send an RTP stream. Format String Default Value G722 Valid values are: PCMU ...
  • Page 350 Appendix 0-Disabled 1-Enabled Example multicast.receive_priority.enable =1 Parameter- Configuration File multicast.receive_priority.priority < y0000000000xx >.cfg Configures the priority of multicast paging calls. 1 is the highest priority, 10 is the lowest Description priority. If it is set to 0, all incoming multicast paging calls will be automatically ignored.
  • Page 351 Administrator’s Guide for SIP-T4X IP Phones Format String Default Value Blank Range Not Applicable multicast.listen_address.1.ip_address = Example 224.5.6.20:10008 Parameter- Configuration File action_url.setup_completed = <y0000000000xx>.cfg action_url.registered = action_url.unregistered = action_url.register_failed = action_url.off_hook = action_url.on_hook = action_url.incoming_call = action_url.outgoing_call = action_url.call_established = action_url.dnd_on =...
  • Page 352 Appendix action_url.idle_to_busy = action_url.ip_change = action_url.forward_incoming_call action_url.reject_incoming_call = action_url.answer_new_incoming_ call = action_url.transfer_finished = action_url.transfer_failed = Configures the URL for the predefined event. The value format is: http(s)://IP address of server/help.xml? variable name=variable value Valid variable values are: $mac   $model Description ...
  • Page 353 Administrator’s Guide for SIP-T4X IP Phones Action URI will be accepted. For discontinuous IP addresses, each IP address is separated by a comma. For continuous IP addresses, the format likes *.*.*.* and the “*” stands for the values 0~255. For example: 10.10.*.* stands for the IP addresses that range from 10.10.0.0 to...
  • Page 354 Appendix Parameter- Configuration File account.X.sip_server.Y.port <MAC>.cfg Configures the SIP server port. Description X ranges from 1 to 6. Y ranges from 1 to 2. Format Integer Default Value 5060 Range 0 to 65535 Example account.1.sip_server.1.port = 5060 Parameter- Configuration File account.X.sip_server.Y.expires <MAC>.cfg Configures the registration expiration time...
  • Page 355 Administrator’s Guide for SIP-T4X IP Phones Fallback Mode Parameter- Configuration File account.X.fallback.redundancy_ty <MAC>.cfg Configures the registration mode for the IP phone in fallback mode. Description X ranges from 1 to 6. Format Integer Default Value Valid values are: 0-Concurrent registration: the phone registers to the working server and fallback server at the same time.

  • Page 356: Failover Mode

    Appendix Failover Mode Parameter- Configuration File account.X.sip_server.Y.failback_mo <MAC>.cfg Configures the way in which the phone fails back to the primary server for call control when in the failover mode. Description X ranges from 1 to 6. Y ranges from 1 to 2. Format Integer Default Value...
  • Page 357 Administrator’s Guide for SIP-T4X IP Phones When the value is configured between 1 and 59, the phone automatically sets the time interval to be 60. Note: This parameter is only valid when the parameter “account.x.sip_server.y.failback_mode” is configured to 3. X ranges from 1 to 6.
  • Page 358 Appendix Parameter- Configuration File account.X.transport <MAC>.cfg Description Configures the transport type for account X. If it is set to 3 (DNS-NAPTR) and no server port is given, the IP phone will perform the DNS NAPTR and SRV queries for the transport protocol, port and IP address.
  • Page 359 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File network.lldp.enable <y0000000000xx>.cfg Enables or disables LLDP feature on the IP phone. Description Note: If you change this parameter, the IP phone will reboot to make the change take effect. Format Boolean...
  • Page 360 Appendix VLAN tag on packet from the Internet port. Note: If you change this parameter, the IP phone will reboot to make the change take effect. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled Example network.vlan.internet_port_enable = 1 Parameter- Configuration File network.vlan.internet_port_vid...
  • Page 361 Administrator’s Guide for SIP-T4X IP Phones PC Port Parameter- Configuration File network.vlan.pc_port_enable <y0000000000xx>.cfg Enables or disables the IP phone to insert VLAN tag on packet from the PC port. Description Note: If you change this parameter, the IP phone will reboot to make the change take effect.
  • Page 362 Appendix Default Value Range 0 to 7 Example network.vlan.pc_port_priority = 0 DHCP VLAN Discovery Parameter- Configuration File network.vlan.dhcp_enable <y0000000000xx>.cfg Enables or disables DHCP VLAN discovery feature on the IP phone. Description Note: If you change this parameter, the IP phone will reboot to make the change take effect.
  • Page 363 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File network.vpn_enable <y0000000000xx>.cfg Enables or disables VPN feature on the IP phone. Description Note: If you change this parameter, the IP phone will reboot to make the change take effect. Format Boolean...
  • Page 364 Appendix effect. Format Integer Default Value Range 0 to 63 Example network.qos.rtptos = 46 Parameter- Configuration File network.qos.signaltos <y0000000000xx>.cfg Configures the DSCP for SIP packets. The default DSCP value for SIP packets is 26 (Assured Forwarding). Description Note: If you change this parameter, the IP phone will reboot to make the change take effect.
  • Page 365 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File account.X.nat.stun_server <MAC>.cfg Configures the IP address or the domain name of the STUN server for account X. Description X ranges from 1 to 6. Format IP Address or Domain Name Default Value...
  • Page 366 Appendix 4-EAP-TTLS/EAP-MSCHAPv2 Example network.802_1x.mode = 0 Parameter- Configuration File network.802_1x.identity <y0000000000xx>.cfg Enters the identity used for authenticating the IP phone. Description Note: If you change this parameter, the IP phone will reboot to make the change take effect. Format String Default Value Blank Range...
  • Page 367 Administrator’s Guide for SIP-T4X IP Phones effect. It is only applicable to EAP-TLS, PEAP-MSCHAPV2 and EAP-TTLS/EAP-MSCHAPv2 protocols. The format of the certificate must be *.pem, *.crt, *.cer or *.der. Format Default Value Blank Range String within 511 characters network.802_1x.root_cert_url = Example http://192.168.1.10/ca.pem...
  • Page 368 Appendix Valid values are: Range 0-Disabled 1-Enabled Example managementserver.enable = 0 Parameter- Configuration File managementserver.username <y0000000000xx>.cfg Enters the user name to authenticate with the ACS. This string is set to the empty string if no authentication is required. Description Note: It is only applicable to SIP-T46G IP phones.
  • Page 369 Administrator’s Guide for SIP-T4X IP Phones Default Value Blank Range String within 511 characters managementserver.url = Example http://192.168.1.20/acs/ Parameter- Configuration File managementserver.connection <y0000000000xx>.cfg _request_username Configures the user name for the IP phone to authenticate the incoming connection requests. Description Note: It is only applicable to SIP-T46G IP phones.
  • Page 370 Appendix Parameter- Configuration File managementserver.periodic_in <y0000000000xx>.cfg form_enable Enables or disables the IP phone to periodically report its configuration information to the ACS. Description Note: It is only applicable to SIP-T46G IP phones. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled managementserver.periodic_inform_enable =...
  • Page 371 Administrator’s Guide for SIP-T4X IP Phones effect. Format Integer Default Value Valid values are: 0-IPv4 Range 1-IPv6 2-IPv4&IPv6 Example network.ip_address_mode = 1 Parameter- Configuration File network.ipv6_internet_port.type <MAC>.cfg Configures the IPv6 address assignment method. Description Note: If you change this parameter, the IP phone will reboot to make the change take effect.
  • Page 372 Appendix 1-Enabled Example network.ipv6_static_dns_enable= 0 Parameter- Configuration File network.ipv6_internet_port.ip <MAC>.cfg Configures the IPv6 address. Note: If you change this parameter, the IP Description phone will reboot to make the change take effect. Format IPv6 Address Default Value Blank Range Not Applicable network.ipv6_internet_port.ip = Example 2026:1234:1:1:215:65ff:fe1f:caa...
  • Page 373 Administrator’s Guide for SIP-T4X IP Phones Range Not Applicable network.ipv6_internet_port.gateway = Example 3036:1:1:c3c7:c11c:5447:23a6:255 Parameter- Configuration File network.ipv6_primary_dns <MAC>.cfg Configures the primary DNS server when the Internet port type is defined as Static IP Address. Description Note: If you change this parameter, the IP phone will reboot to make the change take effect.
  • Page 374 Appendix obtain network settings of the IPv6 from the ICMPv6 protocol. Note: If you change this parameter, the IP phone will reboot to make the change take effect. It is only applicable to SIP-T46G IP phones. Format Boolean Default Value Valid values are: Range 0-Disabled...
  • Page 375 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File features.headset_training <y0000000000xx>.cfg Enables or disables dual headset feature. If it is set to 1 (Enabled), users can use two headsets on one phone. When the IP phone joins in a call, the users with the...
  • Page 376 Appendix When Y=9, the default value is 0; When Y=10, the default value is 0; When Y=11, the default value is 0; When Y=12, the default value is 0. Valid values are: Range 0-Disabled 1-Enabled Example account.1.codec.1.enable = 1 Parameter- Configuration File account.X.codec.Y.payload_type <MAC>.cfg...
  • Page 377 Administrator’s Guide for SIP-T4X IP Phones G726-40  iLBC   Example account.1.codec.1.payload_type = PCMU Parameter- Configuration File account.X.codec.Y.priority <MAC>.cfg Configures the priority for the codec. Description X ranges from 1 to 6. Y ranges from 1 to 14. Format Integer When Y=1, the default value is 1;...
  • Page 378 Appendix When Y=4, the default value is 4; When Y=5, the default value is 18; When Y=6, the default value is 9; When Y=7, the default value is 106; When Y=8, the default value is 103; When Y=9, the default value is 104; When Y=10, the default value is 102;...
  • Page 379 Administrator’s Guide for SIP-T4X IP Phones 1-Enabled Example voice.echo_cancellation = 1 Parameter- Configuration File voice.vad <y0000000000xx>.cfg Enables or disables VAD feature on the IP Description phone. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled Example voice.vad = 1...
  • Page 380 Appendix Format Integer Default Value Valid values are: Range 0-Fixed 1-Adaptive Example voice.jib.adaptive = 1 Parameter- Configuration File voice.jib.min <y0000000000xx>.cfg Configures the minimum delay time for jitter buffer. Description Note: It works only if the parameter “voice.jib.adaptive” is set to 1 (Adaptive). Format Integer Default Value...
  • Page 381 Administrator’s Guide for SIP-T4X IP Phones Format Integer Default Value Range 0 to 400 Example voice.jib.mormal = 120 Parameter- Configuration File account.X.transport <MAC>.cfg Configures the transport type for account X. If it is set to 2 (TLS), the SIP message of this...
  • Page 382 Appendix 0-Disabled 1-Enabled Example security.trust_certificates = 1 Parameter- Configuration File security.ca_cert <y0000000000xx>.cfg Configures the type of certificates the IP phone used to authenticate the connecting server. Description Note: If you change this parameter, the IP phone will reboot to make the change take effect.
  • Page 383 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File security.dev_cert <y0000000000xx>.cfg Configures the type of certificates the IP phone sends for authentication. Description Note: If you change this parameter, the IP phone will reboot to make the change take effect.
  • Page 384 Appendix Default Value Blank Range String within 511 characters server_certificates.url = Example http://192.168.1.20/ca.pem Parameter- Configuration File account.X.srtp_encryption <MAC>.cfg Configures whether to use voice encryption service. If it is set to 1 (Optional), the phone will negotiate with the other phone what type Description of encryption to utilize for the session.
  • Page 385 Administrator’s Guide for SIP-T4X IP Phones respectively using the phone built-in key (e.g., key1). The IP phone then decrypts the encrypted configuration files using corresponding key (e.g., key2, key3). If it is set to 0 (Disabled), the IP phone will decrypt the encrypted configuration files using AES keys configured on the IP phone.
  • Page 386 Appendix Format String Default Value Blank 16 characters and the supported characters Range contain: 0 ~ 9, A ~ Z, a ~ z. auto_provision.aes_key_16.mac = Example 0123456789abmins Parameter- Configuration File firmware.url <y0000000000xx>.cfg Configures the access URL of firmware. Note: If you change this parameter, the IP Description phone will reboot to make the change take effect.
  • Page 387 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File auto_provision.repeat.enable < y0000000000xx >.cfg Enables or disables the phone to check Description new configuration repeatedly. Format Boolean Default Value Valid values are: Range 0-Disabled 1-Enabled Example auto_provision.repeat.enable = 1 Parameter- Configuration File auto_provision.repeat.minutes...
  • Page 388 Appendix Parameter- Configuration File auto_provision.weekly.begin_time < y0000000000xx >.cfg Configures the begin time of the day for the IP phone to check new configuration weekly. Description Note: It works only if the parameter “auto_provision.weekly.enable” is set to 1(Enabled). Format Time Default Value 00:00 Range 00:00 to 23:59...
  • Page 389 Administrator’s Guide for SIP-T4X IP Phones 1-Monday 2-Tuesday 3-Wednesday 4-Thursday 5-Friday 6-Saturday auto_provision.weekly.dayofweek = Example 0123456 Parameter- Configuration File dialplan_replace_rule.url <y0000000000xx>.cfg Configures the access URL of the replace Description rule template. Format Default Value Blank Range String within 511 characters dialplan_replace_rule.url =...
  • Page 390 Appendix Parameter- Configuration File custom_softkey_call_failed.url <y0000000000xx>.cfg Configures the access URL of the custom Description file for the soft key presented on the LCD screen when in the CallFailed state. Format Default Value Blank Range String within 511 characters The following example uses HTTP to download the CallFailed state file from the “XMLfiles”...
  • Page 391 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File custom_softkey_connecting.url <y0000000000xx>.cfg Configures the access URL of the custom Description file for the soft key presented on the LCD screen when in the Connecting state. Format Default Value Blank Range String within 511 characters...
  • Page 392 Appendix Format Default Value Blank Range String within 511 characters The following example uses HTTP to download the RingBack state file from the “XMLfiles” directory on provisioning server Example 10.2.8.16 using 8080 port. custom_softkey_ring_back.url = http://10.2.8.16:8080/XMLfiles/RingBack.xml Parameter- Configuration File custom_softkey_talking.url <y0000000000xx>.cfg Configures the access URL of the custom file Description...
  • Page 393 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File remote_phonebook.data.X.url <y0000000000xx>.cfg Configures the access URL of the remote XML phone book. Description X ranges from 1 to 5. Format Default Value Blank Range String within 511 characters remote_phonebook.data.1.url = Example http://192.168.10.25/phonebook.xml...
  • Page 394 Appendix super_search.url = Example http://192.168.10.25/super_search.xml Parameter- Configuration File wallpaper_upload.url <y0000000000xx>.cfg Configures the access URL of the wallpaper image. Description Note: It is only applicable to SIP-T46G IP phones. Format Default Value Blank Range String within 511 characters wallpaper_upload.url = Example http://192.168.10.25/wallpaper.jpg Parameter- Configuration File...
  • Page 395 Administrator’s Guide for SIP-T4X IP Phones Parameter- Configuration File syslog.server <y0000000000xx>.cfg Configures the IP address or domain name of the syslog server where to export the log files. Description Note: It works only if the parameter “syslog.mode” is set to 1 (Server). If you change this parameter, the IP phone will reboot to make the change take effect.
  • Page 396 Appendix 0-Disabled 1-Enabled Example watch_dog.enable = 1 This section provides DSS key parameters you can configure on the IP phone. DSS key can be assigned with various key features. The parameters of the DSS key are detailed in the following: Parameter- Configuration File linekey.X.type...
  • Page 397 Administrator’s Guide for SIP-T4X IP Phones Record  XML Browser  URL Record  LDAP  Prefix  Zero Touch   Local Group  Keypad Lock  Directory  Format Integer SIP-T46G: 15 for line key 1-6, 0 for line key 7-27.
  • Page 398 Appendix 41-Zero Touch 42-ACD 45-Local Group 50-Keypad Lock 61-Directory Example linekey.1.type = 15 Parameter- Configuration File linekey.X.line <y0000000000xx>.cfg Configures the desired line to apply the key feature. X ranges from 1 to 27 (for SIP-T46G). X ranges from 1 to 15 (for SIP-T42G/T41P). When assigning the following features, you don’t need to configure this parameter: DTMF...
  • Page 399 Administrator’s Guide for SIP-T4X IP Phones 1-Line 1 2-Line 2 … 6-Line 6 Example linekey.1.line = 2 Parameter- Configuration File linekey.X.value <y0000000000xx>.cfg Configures the value for some key features. Description X ranges from 1 to 27 (for SIP-T46G). X ranges from 1 to 15 (for SIP-T42G/T41P).
  • Page 400 Appendix Parameter- Configuration File linekey.X.pickup_value <y0000000000xx>.cfg Configures the pickup code for BLF feature. This parameter is only applicable to BLF feature. Description X ranges from 1 to 27 (for SIP-T46G). X ranges from 1 to 15 (for SIP-T42G/T41P). Format String Default Value Blank Range...
  • Page 401 Administrator’s Guide for SIP-T4X IP Phones Default Value Range 0 to 48 Configures the second remote phone book. Example linekey.1.xml_phonebook = 1 Keypad Lock Key Parameter- Configuration File linekey.X.type <y0000000000xx>.cfg Configures a line key to be a keypad lock key on the IP phone.
  • Page 402 Appendix Directed Call Pickup Key Parameter- Configuration File linekey.X.type <y0000000000xx>.cfg Configures a line key to be a directed call pickup key on the IP phone. The digit 9 stands for the key type Directed Description Pickup. X ranges from 1 to 27 (for SIP-T46G). X ranges from 1 to 15 (for SIP-T42G/T41P).
  • Page 403 Administrator’s Guide for SIP-T4X IP Phones X ranges from 1 to 15 (for SIP-T42G/T41P). Format String Range String within 99 characters Example linekey.1.value = *971001 Group Call Pickup Key Parameter- Configuration File linekey.X.type <y0000000000xx>.cfg Configures a line key to be a group call pickup key on the IP phone.
  • Page 404 Appendix Parameter- Configuration File linekey.X.value <y0000000000xx>.cfg Configures the group call pickup feature code. Description X ranges from 1 to 27 (for SIP-T46G). X ranges from 1 to 15 (for SIP-T42G/T41P). Format String Range String within 99 characters Example linekey.1.value = *98 Call Return Key Parameter- Configuration File...

  • Page 405: Intercom Key

    Administrator’s Guide for SIP-T4X IP Phones Example linekey.2.type = 10 Parameter- Configuration File linekey.X.line <y0000000000xx>.cfg Configures the desired line to apply the call park key. Description X ranges from 1 to 27 (for SIP-T46G). X ranges from 1 to 15 (for SIP-T42G/T41P).
  • Page 406 Appendix Format Integer Value Example linekey.2.type = 14 Parameter- Configuration File linekey.X.line <y0000000000xx>.cfg Configures the desired line to apply the intercom key. Description X ranges from 1 to 27 (for SIP-T46G). X ranges from 1 to 15 (for SIP-T42G/T41P). Format Integer Valid values are: 1 to 6 (for SIP-T46G)
  • Page 407 Administrator’s Guide for SIP-T4X IP Phones The digit 38 stands for the key type LDAP. X ranges from 1 to 27 (for SIP-T46G). X ranges from 1 to 15 (for SIP-T42G/T41P). Format Integer Value Example linekey.2.type = 38 BLF Key...
  • Page 408 Appendix Parameter- Configuration File linekey.X.value <y0000000000xx>.cfg Configures the number of the monitored user. Description X ranges from 1 to 27 (for SIP-T46G). X ranges from 1 to 15 (for SIP-T42G/T41P). Format String Range String within 99 characters Example linekey.3.value = 1008 Parameter- Configuration File linekey.X.pickup_value...
  • Page 409 Administrator’s Guide for SIP-T4X IP Phones Multicast Paging Key Parameter- Configuration File linekey.X.type <y0000000000xx>.cfg Configures a line key to be a multicast paging key on the IP phone. The digit 24 stands for the key type Description Multicast Paging. X ranges from 1 to 27 (for SIP-T46G).
  • Page 410 Appendix Value Example linekey.2.type = 25 URL Record Key Parameter- Configuration File linekey.X.type <y0000000000xx>.cfg Configures a line key to be a URL record key on the IP phone. The digit 35 stands for the key type URL Description Record. X ranges from 1 to 27 (for SIP-T46G). X ranges from 1 to 15 (for SIP-T42G/T41P).

  • Page 411: Rfc And Internet Draft Support

    Integer Value Example linekey.2.type = 34 This section describes how Yealink SIP-T4X IP phones comply with the IETF definition of SIP as described in RFC 3261. This section contains compliance information in the following: RFC and Internet Draft Support ...
  • Page 412 Appendix RFC 3262—Reliability of Provisional Responses in the Session Initiation Protocol (SIP)  RFC 3263—Session Initiation Protocol (SIP): Locating SIP Servers  RFC 3264—An Offer/Answer Model with the Session Description Protocol (SDP)  RFC 3265—Session Initiation Protocol (SIP) - Specific Event Notification ...
  • Page 413 Administrator’s Guide for SIP-T4X IP Phones Initiation Protocol (SIP) RFC 3842—A Message Summary and Message Waiting Indication Event Package  for the Session Initiation Protocol (SIP) RFC 3856—A Presence Event Package for Session Initiation Protocol (SIP)  RFC 3890—A Transport Independent Bandwidth Modifier for the SDP ...

  • Page 414: Sip Request

    RFC number. The following SIP request messages are supported: Method Supported Notes REGISTER Yealink SIP-T4X IP phones support mid-call changes such as putting a call on INVITE hold as signaled by a new INVITE that contains an existing Call-ID.
  • Page 415 Administrator’s Guide for SIP-T4X IP Phones The following SIP request headers are supported: Method Supported Notes Accept Alert-Info Allow Allow-Events Authorization Call-ID Call-Info Contact Content-Length Content-Type CSeq Diversion Event Expires From Max-Forwards Min-SE P-Asserted-Identity P-Preferred-Identity Proxy-Authenticate Proxy-Authorization RAck Record-Route Refer-To...

  • Page 416: Sip Responses

    Appendix Method Supported Notes Require Route RSeq Session-Expires Subscription-State Supported User-Agent The following SIP responses are supported: 1xx Response—Information Responses 1xx Response Supported Notes 100 Trying 180 Ringing 181 Call Is Being Forwarded 183 Session Progress 2xx Response—Successful Responses 2xx Response Supported Notes 200 OK...
  • Page 417 Administrator’s Guide for SIP-T4X IP Phones 3xx Response Supported Notes 302 Moved Temporarily 4xx Response—Request Failure Responses 4xx Response Supported Notes 400 Bad Request 401 Unauthorized 402 Payment Required 403 Forbidden 404 Not Found 405 Method Not Allowed 406 Not Acceptable...
  • Page 418 Appendix 4xx Response Supported Notes 486 Busy Here 487 Request Terminated 488 Not Acceptable Here 491 Request Pending 493 Undecipherable 5xx Response—Server Failure Responses 5xx Response Supported Notes 500 Internal Server Error 501 Not Implemented 502 Bad Gateway 503 Service Unavailable 504 Gateway Timeout 505 Version Not Supported 6xx Response—Global Responses...
  • Page 419 Administrator’s Guide for SIP-T4X IP Phones m—Media name and transport address s—Session name t—Active time SIP uses six request methods: INVITE—Indicates a user is being invited to participate in a call session.  ACK—Confirms that the client has received a final response to an INVITE request.
  • Page 420 Appendix The following figure illustrates the scenario of a successful call. In this scenario, the two end users are User A and User B. User A and User B are located at Yealink SIP IP phones. The call flow scenario is as follows: User A calls User B.
  • Page 421 Administrator’s Guide for SIP-T4X IP Phones Step Action Description User A sends a SIP INVITE message to a proxy server. The INVITE request is an invitation to User B to participate in a call session. In the INVITE request: The IP address of User B is inserted ...
  • Page 422 The following figure illustrates the scenario of an unsuccessful call caused by the called user’s being busy. In this scenario, the two end users are User A and User B. User A and User B are located at Yealink SIP IP phones.
  • Page 423 Administrator’s Guide for SIP-T4X IP Phones The call flow scenario is as follows: User A calls User B. User B is busy on the IP phone and unable or unwilling to take another call. The call cannot be set up successfully.
  • Page 424 Appendix Step Action Description specified. The proxy server maps the SIP URI in the INVITE—Proxy Server to User To field to User B. Proxy server forwards the INVITE message to User B. User B sends a SIP 100 Trying response to the proxy server.
  • Page 425 The following figure illustrates the scenario of an unsuccessful call caused by the called user’s no answering. In this scenario, the two end users are User A and User B. User A and User B are located at Yealink SIP IP phones. The call flow scenario is as follows: User A calls User B.
  • Page 426 Appendix Step Action Description The transaction number within a  single call leg is identified in the CSeq field. The media capability User A is  ready to receive is specified. The port on which User B is  prepared to receive the RTP data is specified.

  • Page 427: Successful Call Setup And Call Hold

    Administrator’s Guide for SIP-T4X IP Phones The following figure illustrates a successful call setup and call hold. In this scenario, the two end users are User A and User B. User A and User B are located at Yealink SIP IP phones.
  • Page 428 Appendix Step Action Description User A sends an INVITE message to a proxy server. The INVITE request is an invitation to User B to participate in a call session. In the INVITE request: The IP address of User B is inserted ...
  • Page 429 In this call flow scenario, the end users are User A, User B, and User C. They are all using Yealink SIP IP phones, which are connected via an IP network.
  • Page 430 Appendix The call flow scenario is as follows: User A calls User B. User B answers the call. User C calls User B. User B accepts the call from User C. Proxy Server User C User A User B F1. INVITE B F2.
  • Page 431 Administrator’s Guide for SIP-T4X IP Phones Step Action Description User A sends an INVITE message to a proxy server. The INVITE request is an invitation to User B to participate in a call session. In the INVITE request: The IP address of User B is inserted ...
  • Page 432 Appendix Step Action Description User A sends a SIP ACK to the proxy server, The ACK confirms that User A ACK—User A to Proxy Server has received the 200 OK response. The call session is now active. The proxy server sends the SIP ACK to User B.
  • Page 433 Administrator’s Guide for SIP-T4X IP Phones Step Action Description User A sends a mid-call INVITE request INVITE—User A to Proxy to the proxy server with new SDP Server session parameters, which are used to place the call on hold. INVITE—Proxy Server to User The proxy server forwards the mid-call INVITE message to User B.
  • Page 434 This is called a blind transfer. In this call flow scenario, the end users are User A, User B, and User C. They are all using Yealink SIP IP phones, which are connected via an IP network.
  • Page 435 Administrator’s Guide for SIP-T4X IP Phones User C answers the call. Call is established between User A and User C. User A Proxy Server User B User C F1. INVITE B F2. INVITE B F3. 180 Ringing F4. 180 Ringing F5.
  • Page 436 Appendix Step Action Description User A sends an INVITE message to the proxy server. The INVITE request is an invitation to User B to participate in a call session. In the INVITE request: The IP address of User B is inserted ...
  • Page 437 Administrator’s Guide for SIP-T4X IP Phones Step Action Description User A sends a SIP ACK to the proxy server, The ACK confirms that User A ACK—User A to Proxy Server has received the 200 OK response. The call session is now active.
  • Page 438 This is called attended transfer. In this call flow scenario, the end users are User A, User B, and User C. They are all using Yealink SIP IP phones, which are connected via an IP network.
  • Page 439 Administrator’s Guide for SIP-T4X IP Phones User A transfers the call to User C. Call is established between User B and User C. User A Proxy Server User B User C F1. INVITE B F2. INVITE B F3. 180 Ringing F4.
  • Page 440 Appendix Step Action Description User A sends an INVITE message to a proxy server. The INVITE request is an invitation to User B to participate in a call session. In the INVITE request: The IP address of User B is inserted ...
  • Page 441 Administrator’s Guide for SIP-T4X IP Phones Step Action Description User A sends a SIP ACK to the proxy server, The ACK confirms that User A ACK—User A to Proxy Server has received the 200 OK response. The call session is now active.
  • Page 442 Appendix Step Action Description sends the INVITE request to User C. User C sends a SIP 180 Ringing 180 Ringing—User C to Proxy response to the proxy server. The 180 Server Ringing response indicates that the user is being alerted. The proxy server forwards the 180 180 Ringing—Proxy Server to Ringing response to User A.

  • Page 443: Always Call Forward

    User C when User A calls User B. In this call flow scenario, the end users are User A, User B, and User C. They are all using Yealink SIP IP phones, which are connected via an IP network.
  • Page 444 Appendix User C answers the call. Call is established between User A and User C. User A Proxy Server User B User C F1. INVITE B F2. INVITE B F3. 302 Move Temporarily F4. ACK F5. 302 Move Temporarily F6. ACK F7.
  • Page 445 Administrator’s Guide for SIP-T4X IP Phones Step Action Description User A sends an INVITE message to a proxy server. The INVITE request is an invitation to User B to participate in a call session. In the INVITE request: The IP address of the User B is ...
  • Page 446 Appendix Step Action Description User A sends a SIP INVITE request to the proxy server. In the INVITE request, a INVITE—User A to Proxy unique Call-ID is generated and the Server Contact-URI field indicates that User A requested the call. The proxy server maps the SIP URI in the INVITE—Proxy Server to User To field to User C.

  • Page 447: Busy Call Forward

    User B is busy. In this call flow scenario, the end users are User A, User B, and User C. They are all using Yealink SIP IP phones, which are connected via an IP network. The call flow scenario is as follows: User B enables busy call forward, and the destination number is User C.
  • Page 448 Appendix Step Action Description User A sends the INVITE message to a proxy server. The INVITE request is an invitation to User B to participate in a call session. In the INVITE request: The IP address of User B is inserted ...
  • Page 449 Administrator’s Guide for SIP-T4X IP Phones Step Action Description ACK message. 302 Move Temporarily—Proxy The proxy server forwards the 302 Server to User A Moved Temporarily message to User A. User A sends a SIP ACK to the proxy server. The ACK message notifies the ACK—User A to Proxy Server...

  • Page 450: No Answer Call Forward

    User C when User B does not answer the incoming call after a period of time. In this call flow scenario, the end users are User A, User B, and User C. They are all using Yealink SIP IP phones, which are connected via an IP network.
  • Page 451 Administrator’s Guide for SIP-T4X IP Phones Step Action Description User A sends the INVITE message to a proxy server. The INVITE request is an invitation to User B to participate in a call session. In the INVITE request: The IP address of User B is inserted ...
  • Page 452 Appendix Step Action Description ACK message. 302 Move Temporarily—Proxy The proxy server forwards the 302 Server to User A Moved Temporarily message to User A. User A sends a SIP ACK to the proxy server. The ACK message notifies the ACK—User A to Proxy Server proxy server that User A has received the ACK message.
  • Page 453 User A mixes two RTP channels and therefore establishes a conference between User B and User C. In this call flow scenario, the end users are User A, User B, and User C. They are all using Yealink SIP IP phones, which are connected via an IP network.
  • Page 454 Appendix User A mixes the RTP channels and establishes a conference between User B and User C. User A User B User C Proxy Server F1. INVITE B F2. INVITE B F3. 180 Ringing F4. 180 Ringing F5. 200 OK F6.
  • Page 455 Administrator’s Guide for SIP-T4X IP Phones Step Action Description User A sends the INVITE message to a proxy server. The INVITE request is an invitation to User B to participate in a call session. In the INVITE request: The IP address of User B is inserted ...
  • Page 456 Appendix Step Action Description User A sends a SIP ACK to the proxy server. The ACK confirms that User A ACK—User A to Proxy Server has received the 200 OK response. The call session is now active. The proxy server sends the SIP ACK to User B.
  • Page 457 Administrator’s Guide for SIP-T4X IP Phones Step Action Description sends the SIP INVITE request to User C. User C sends a SIP 180 Ringing 180 Ringing—User C to Proxy response to the proxy server. The 180 Server Ringing response indicates that the user is being alerted.

  • Page 458: Network Settings

    Appendix This section provides the sample configuration file necessary to configure the IP phone. Any line beginning with a pound sign (#) is considered to be a comment, unless the # is contained within double quotes. For Boolean fields, 0 = disabled, 1 = enabled. This file contains sample configurations for the <y0000000000xx>.cfg or <MAC>.cfg file.

  • Page 459: Auto Redial

    Administrator’s Guide for SIP-T4X IP Phones dialplan.replace.prefix.1 = dialplan.replace.replace.1 = dialplan.replace.line_id.1 = Time Settings local_time.time_zone = local_time.time_zone_name = local_time.ntp_server1 = local_time.ntp_server2 = local_time.interval = local_time.dhcp_time = #Use the following parameters to set the time and date manually. local_time.manual_time_enable = local_time.date_format = local_time.time_format =...
  • Page 460 Appendix features.play_hold_tone.delay = sip.rfc2543_hold = #Hotline features.hotline_number = features.hotline_delay = #Web Server Type wui.http_enable = network.port.http = wui.https_enable = network.port.https = #DTMF Suppression features.dtmf.hide = features.dtmf.hide_delay = Call Forward # In Phone Mode features.fwd_mode = 0 forward.always.enable = forward.always.target = forward.always.on_code = forward.always.off_code = forward.busy.enable =...

  • Page 461: Call Conference

    Administrator’s Guide for SIP-T4X IP Phones account.1.timeout_fwd.enable = account.1.timeout_fwd.target = account.1.timeout_fwd.timeout = account.1.timeout_fwd.on_code = account.1.timeout_fwd.off_code = Call Transfer transfer.semi_attend_tran_enable = transfer.blind_tran_on_hook_enable = transfer.on_hook_trans_enable = transfer.tran_others_after_conf_enable = Call Conference account.1.conf_type = account.1.conf_uri = DTMF account.1.dtmf.type = account.1.dtmf.dtmf_payload = account.1.dtmf.info_type = Distinctive Ring Tones account.1.alert_info_url_enable =...
  • Page 462 Appendix LDAP ldap.enable = ldap.name_filter = ldap.number_filter = ldap.host = ldap.port = ldap.base = ldap.user = ldap.password = ldap.max_hits = ldap.name_attr = ldap.numb_attr = ldap.display_name = ldap.version = ldap.call_in_lookup = ldap.ldap_sort = Action URL action_url.setup_completed = action_url.registered = action_url.unregistered = action_url.register_failed = action_url.off_hook = action_url.on_hook =...
  • Page 463 Administrator’s Guide for SIP-T4X IP Phones action_url.busy_to_idle = action_url.idle_to_busy = action_url.ip_change = action_url.forward_incoming_call = action_url.reject_incoming_call = action_url.answer_new_incoming_call = action_url.transfer_finished = action_url.transfer_failed = #Access URL of Resource Files dialplan_dialnow.url = dialplan_replace_rule.url = local_contact.data.url = remote_phonebook.data.1.url = directory_setting.url = super_search.url = wallpaper_upload.url =...
  • Page 464 Index Numeric 180 Ring Workaround Call Completion 802.1x Authentication Call Forward Call Hold Call Log Call Park About This Guide Call Recording Acoustic Echo Cancellation Call Return Action URL Call Transfer Action URI Call Waiting Administrator Password Call Waiting Tone Always Forward Calling Line Identification Presentation Analyzing the Configuration Files...

  • Page 465: Sip Ip Phone Models

    Administrator’s Guide for SIP-T4X IP Phones Getting Information from Status Indicators NAT Traversal Getting Started Network Address Translation (NAT) Group Call Pickup Network Conference No Answer Forward H.323 Headset Prior Phone Lock Hotline Phone User Interface Hot Desking Physical Features of SIP-T4X IP Phones...

  • Page 466: Tr-069 Device Management

    Index STUN Server Suppressing DTMF Display Table of Contents Time and Date Transfer on Conference Hang Up Transfer via DTMF Transport Layer Security (TLS) Troubleshooting Troubleshooting Methods Troubleshooting Solutions TR-069 Device Management Upgrading Firmware Use Outbound Proxy in Dialog User Agent Client (UAC) User Agent Server (UAS) User Password Verifying Startup...

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