Yealink SIP-T20 User Manual
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Yealink SIP-T20 User Manual

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  • Page 2 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 3 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 4 Yealink SIP-T20P/SIP-T20 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 5 Packaging Contents and Regulatory Notices sections in this guide before you set up and use the SIP-T20P/SIP-T20 IP phone. If this is your first time using the SIP-T20P/SIP-T20 IP phone, we recommend that you first Quick Installation Guide...
  • Page 6 User Guide for the SIP-T20P/SIP-T20 IP Phone Major updates have occurred to the following: LED Instructions on page  Anonymous Call on page  Major updates have occurred to the following: Appendix A - Time Zones on page  Major updates have occurred to the following:...
  • Page 7 About This Guide Call Completion on page  DSS Keys on page  Do Not Disturb (DND) on page  Call Forward on page  Busy Lamp Field (BLF) on page ...
  • Page 8 User Guide for the SIP-T20P/SIP-T20 IP Phone viii...

  • Page 9: Table Of Contents

    Table of Contents About This Guide ..............v In This Guide ......................... v Summary of Changes ......................v Changes for Release 72, Guide Version 72.1 ..............v Changes for Release 71, Guide Version 71.165 ............vi Changes for Release 71, Guide Version 71.140 ............vi Changes for Release 71, Guide Version 71.125 ............
  • Page 10 User Guide for the SIP-T20P/SIP-T20 IP Phone Keypad Lock ........................21 Audio Settings ........................24 Volume ..........................24 Ring Tones ........................24 Contact Management ....................... 26 Local Directory ........................ 26 Blacklist ..........................32 Call History Management ....................33 System Customizations ...................... 34 Logo Customization ......................
  • Page 11 Table of Contents Call Recording ........................81 Hot Desking ........................82 Intercom ..........................84 Outgoing Intercom Calls ....................84 Incoming Intercom Calls ....................84 Multicast Paging ......................... 86 Sending RTP Stream ....................... 86 Receiving RTP Stream ..................... 88 Music on Hold ........................89 Automatic Call Distribution (ACD)..................

  • Page 13: Overview

     LED Instructions  User Interfaces  Documentations  If you require additional information or assistance with your new phone, contact your system administrator. The main hardware components of the SIP-T20P/SIP-T20 IP phone are the LCD screen and the keypad.
  • Page 14 User Guide for the SIP-T20P/SIP-T20 IP Phone Hardware component instructions of the SIP-T20P/SIP-T20 IP phone are: Item Description Shows information about calls, messages, time, date and other relevant data. • Call information — Caller ID, call duration ① LCD Screen •...

  • Page 15: Keypad Lock

    Overview Icons appearing on the LCD screen are described in the following table: Icon Description Network is unavailable Hands-free speakerphone mode Handset mode Headset mode Numeric input mode Multi-lingual lowercase letters input mode Multi-lingual uppercase letters input mode Alphanumeric input mode Voice Mail Auto Answer Do Not Disturb...
  • Page 16 User Guide for the SIP-T20P/SIP-T20 IP Phone Power Indicator LED LED Status Description The phone is initializing. The phone is busy. Solid green The phone is idle. The call is placed on hold or is held. The phone receives a voice mail.

  • Page 17: User Interfaces

    Overview Two ways to customize configurations of your SIP-T20P/SIP-T20 IP phone: The user Interface on the IP phone.  The user Interface in a web browser on your PC.  The hardware components keypad and LCD screen constitute the phone user interface, which allows the user to execute all call operation tasks and basic configuration changes directly on the phone.

  • Page 18: Contact Management

    User Guide for the SIP-T20P/SIP-T20 IP Phone Options Phone User Interface Web User Interface --Time & Date √ --Administrator Password √ --Key as Send √ --Keypad Lock √ --Ring Tones √ --Contact Management --Local Directory √ --Blacklist √ --Call History Management √...

  • Page 19: Documentations

    --STUN Server √ Note The table above lists most of the feature options. Please refer to the relevant sections for more information. The following table shows documentations available for the SIP-T20P/SIP-T20 IP phone. Name Contents Where found Language Quick Installation...
  • Page 20 User Guide for the SIP-T20P/SIP-T20 IP Phone...

  • Page 21: Getting Started

     Basic Network Settings  Registration  Idle Screen  If you require additional information or assistance with your new phone, contact your system administrator. The following components are included in your SIP-T20P/SIP-T20 IP phone package: SIP-T20P/SIP-T20 IP phone ...
  • Page 22 User Guide for the SIP-T20P/SIP-T20 IP Phone Phone Stand  Power Adapter  Handset & Handset Cord  Ethernet Cable  Quick Installation Guide & Quick Reference Guide  CD-ROM  Check this list before installation. If you find anything missing, contact your system...
  • Page 23 Getting Started administrator. If your phone is already installed, proceed to Phone Initialization on page 13. This section introduces how to install the phone: 1) Attach the stand 2) Connect the handset and optional headset 3) Connect the network and power Attach the Stand Connect the Handset and optional Headset Note...

  • Page 24: Power Over Ethernet

    Power over Ethernet With the included or a regular Ethernet cable, the SIP-T20P IP phone can be powered from a PoE-compliant switch or hub. PoE is not applicable to the SIP-T20 IP phone. To connect the PoE for the SIP-T20P IP phone: Connect the Ethernet cable between the Internet port on the phone and an available port on the in-line power switch/hub.

  • Page 25: Phone Initialization

    Getting Started After your phone is powered on, the system boots up and performs the following steps: Automatic Phone Initialization The phone finishes the initialization by loading the saved configuration. The LCD screen displays “Initializing, Please wait” during this process. DHCP (Dynamic Host Configuration Protocol) The phone attempts to contact a DHCP server in your network to obtain valid network settings (e.g., IP address, subnet mask, default gateway address and DNS address) by...
  • Page 26 User Guide for the SIP-T20P/SIP-T20 IP Phone Enter the user name (admin) and password (admin) in the login page. Click Confirm to login. The phone status is displayed on the first page of the web user interface. If your phone cannot contact a DHCP server for any reason, you need to configure network settings manually.
  • Page 27 Getting Started Press to select IPv4, IPv6 or IPv4 & IPv6 from the IP Mode field. 1. IP Mode: ◄ IPv4 & IPv6 ▶ Press to accept the change. To configure a static IPv4 address via phone user interface: Press Select Settings->Advanced (password: admin) ->Network->WAN Port.

  • Page 28: Idle Screen

    User Guide for the SIP-T20P/SIP-T20 IP Phone To configure PPPoE via phone user interface: Press Select Settings->Advanced (password: admin) ->Network->WAN Port. Press to select IPv4 and press Press to select PPPoE and press 1. PPPoE User: Enter the user name and password in the corresponding fields.

  • Page 29: System Customizations

    Customizing Your Phone You can customize your SIP-T20P/SIP-T20 IP phone by personally configuring certain settings, for example, language, time & date and ring tones. You can also personalize different ring tones for different callers. This chapter provides basic operating instructions for customizing your phone. Topics...

  • Page 30: Time & Date

    User Guide for the SIP-T20P/SIP-T20 IP Phone Press to select the desired language. *1. English(English) 2. Français(French) Press to accept the change. Text displayed on the LCD screen will change to the selected language. To change the language for web user interface: Click on Settings->Preference.
  • Page 31 Customizing Your Phone The default time zone is “+8 China (Beijing)”. 1. Time Zone: ◄ *+8 China (Beijing) ▶ Enter the domain names or IP addresses in the NTP Server 1 and NTP Server 2 fields respectively. Press to select the desired value from the DST field. Press to accept the change.

  • Page 32: Administrator Password

    User Guide for the SIP-T20P/SIP-T20 IP Phone and “YY” represents a two-digit year which is not displayed on the LCD screen of the SIP-T20P/SIP-T20 IP phone. The date formats you need to know: Date Format Example (2013-11-15) MM/DD/YY Nov 15...

  • Page 33: Emergency Number

    Customizing Your Phone Select Features->Key as Send. Key as Send: ◄ * # ► Press to select # or * from the Key as Send field, or select Disable from the Key as Send field to disable this feature. Press to accept the change.
  • Page 34 User Guide for the SIP-T20P/SIP-T20 IP Phone Press to select desired type from the Keypad Lock field. 1. Keypad Lock: ◄ Menu Key ► Press to accept the change. Long press to lock the keypad immediately when the phone is idle.
  • Page 35 Customizing Your Phone To unlock the keypad, you must know the keypad unlock PIN of the phone. The default keypad unlock PIN is “123”. To change the keypad unlock PIN via phone user interface: Press Select Settings->Basic->Phone Unlock. Enter the old PIN in the Current PIN field. 1.
  • Page 36 User Guide for the SIP-T20P/SIP-T20 IP Phone Keypad lock is configurable via web user interface at the path Features->Phone Lock. You can press the Volume key to adjust the ringer volume when the phone is idle. You can also press the Volume key to adjust the receiver volume of currently engaged audio devices (handset, speakerphone or headset) when the phone is in use.
  • Page 37 Customizing Your Phone Press to accept the change. To select a ring tone for each account via web user interface: Click on Account. Select the desired account from the pull-down list of Account. Click on Basic. Select the desired ring tone from the pull-down list of Ring Type. If Common is selected, this account will use the ring tone selected for the phone.
  • Page 38 User Guide for the SIP-T20P/SIP-T20 IP Phone Click Browse to locate a ring tone file (file format must be *.wav) from your local system. Click Upload to upload the file. Note All custom ring tone files must be within 100KB.
  • Page 39 Customizing Your Phone Enter the group name in the Name field. Name: Test Press to select the desired group ring tone from the Ring Tones field. If Auto is selected, this group will use the ring tone assigned to the account. For more information on ring tone for a account, refer to on page Ring Tones...

  • Page 40: Adding Contacts Manually

    User Guide for the SIP-T20P/SIP-T20 IP Phone Press to accept the change. You can add contacts to your local directory in the following ways: Manually  From call history  Adding Contacts Manually To add a contact to the local directory manually: Press Select Local Directory.
  • Page 41 Customizing Your Phone Press Press to switch the input mode, and enter the contact name in the Name field. Name: Press to accept the change. The entry is successfully saved to the local directory. To edit a contact in the local directory: Press Select Local Directory.
  • Page 42 User Guide for the SIP-T20P/SIP-T20 IP Phone To place a call to a contact in the local directory: Press Select Local Directory. Press to select Enter and then press If the groups have been added to the local directory, select the desired group, then...

  • Page 43: Importing/Exporting Contact Lists

    Customizing Your Phone You can manage your phone’s local directory via phone or web user interface. But you can only import or export the contact list via web user interface. To import an XML file of contact list via web user interface: Click on Directory->Local Directory.
  • Page 44 User Guide for the SIP-T20P/SIP-T20 IP Phone (Optional.) Select the contact information you want to import into the local directory from the pull down list of Index. Click Import to complete importing the contact list. To export contact list via web user interface: Click on Directory->Local Directory.
  • Page 45 Local Directory on page The SIP-T20P/SIP-T20 IP phone maintains call history lists of Placed Calls, Received Calls, Missed Calls and Forwarded Calls. Call history lists support 100 entries in all. You can view the call history, place a call, add a contact or delete an entry from the call history list.
  • Page 46 User Guide for the SIP-T20P/SIP-T20 IP Phone To place a call from the call history list: Press The LCD screen displays the call list. Press to switch between placed calls, received calls, missed calls and forwarded calls. Press to select the desired entry.
  • Page 47 Customizing Your Phone Enter the desired text in the Text Logo field. Click Confirm to accept the change. Note The maximum length of text logo is 15 characters. A text logo is configurable via web user interface only. Physically connect your headset and activate the headset mode for use. For more information on physically connecting a headset, refer to Phone Installation on page 11.
  • Page 48 User Guide for the SIP-T20P/SIP-T20 IP Phone To deactivate the headset: Press again on the phone. The headset icon disappears when the headset mode is deactivated. You can use headset in priority when enabling headset prior. This feature is especially useful for permanent or full-time headset users.
  • Page 49 Click Confirm to accept the change. Note Dual headset is configurable via web user interface only. Two types of DSS keys: Line Keys and Programmable Keys. The details will be introduced in the following. SIP-T20P/SIP-T20 IP phone supports 2 line keys.
  • Page 50 User Guide for the SIP-T20P/SIP-T20 IP Phone You can assign predefined functionalities to the line keys located on the right of the phone. Line keys allow you to have quick access to features such as call return or voice mail. The line key LEDs will indicate status when the keys are assigned with particular features, such as BLF .
  • Page 51 Customizing Your Phone Speed Dial You can use this key feature to speed up dialing the numbers often used or hard to remember. Type (Speed Dial) Dependencies: Account ID (the account this feature will be applied to) Value (the number you want to dial out) Usage: Press the DSS key to dial out the number specified in the Value field, using the account selected from the Account ID field.
  • Page 52 User Guide for the SIP-T20P/SIP-T20 IP Phone Local Group You can use this key feature to access the contact group in the local directory quickly. For more information, refer to Local Directory on page 26. Type (Key Event) Dependencies: Key Type (Local Group) Local Group (the contact group you want to access) Usage: Press the DSS key to access the contact group specified in the Local Group field.
  • Page 53 Customizing Your Phone Usage: When the transfer mode on DSS key is Blind Transfer, press the DSS key to complete  the blind transfer to the number specified in the Value field. When the transfer mode on DSS key is Attended Transfer, press the DSS key to dial ...
  • Page 54 User Guide for the SIP-T20P/SIP-T20 IP Phone Group Listening You can use this key feature to activate the Speakerphone and Handset/Headset mode at the same time. It is suitable for the group conversation which has more than one person at one side. You are able to speak and listen through the handset/headset, meanwhile the others nearby can only listen through the speaker.
  • Page 55 Note Programmable keys are configurable via web user interface only. You can register two accounts at most on the SIP-T20P/SIP-T20 IP phone. You can also configure each line key to associate with an account or configure two line keys to associate with an account.

  • Page 56: Registration

    Your phone can be configured to have a combination of accounts with a line key and accounts with two line keys. Dial plan is a string of characters that governs the way your SIP-T20P/SIP-T20 IP phone processes the inputs received from your phone keypad. The SIP-T20P/SIP-T20 IP phone...
  • Page 57 Customizing Your Phone “91([5-7])1(x)” would match “91511”, “91618”, “91715”. The “$” should be followed by the sequence number of a parenthesis. The “$” plus the sequence number means the whole character or characters placed in the parenthesis. The number directs to the right parenthesis when there are more than one.
  • Page 58 User Guide for the SIP-T20P/SIP-T20 IP Phone Click Add to add the replace rule. When you enter the number “1” using the keypad and then press the OK key, the phone will dial out “1234” instead. Note The valid values of Account field can be one or more digits between 1 and 2. Each digit must be separated by a comma.
  • Page 59 Customizing Your Phone Enter the desired line ID in the Account field or leave it blank. For more information on the valid values of Account field, refer to Replace Rule page 45. Click Add to add the dial-now rule. When you enter the number “1234” using the keypad, the phone will dial out “1234” automatically without pressing any key.
  • Page 60 User Guide for the SIP-T20P/SIP-T20 IP Phone Enter the desired time within 1-14 (in seconds) in the Time-Out for Dial-Now Rule field. Click Confirm to accept the change. Note Delay time for dial-now rule is configurable via web user interface only.
  • Page 61 Customizing Your Phone Enter the desired line ID in the Account field or leave it blank. For more information on the valid values of Account field, refer to Replace Rule page 45. Click Confirm to accept the change. Note The default values of minimum and maximum lengths are 1 and 15 respectively. Area code is configurable via web user interface only.
  • Page 62 User Guide for the SIP-T20P/SIP-T20 IP Phone Enter the desired line ID in the Account field or leave it blank. For more information on the valid values of Account field, refer to Replace Rule page 45. Click Confirm to add the block out number.

  • Page 63: Live Dialpad

    Note Emergency number is configurable via web user interface only. You can enable live dialpad on the SIP-T20P/SIP-T20 IP phone, which enables the IP phone to automatically dial out phone numbers without pressing any other key. You can also configure a delay, where the phone will dial out the phone number automatically after the specified period of time.

  • Page 64: Hotline

    User Guide for the SIP-T20P/SIP-T20 IP Phone Enter the desired delay time in the Inter Digit Time (1~14s) field. The default delay time is 4s. Click Confirm to accept the change. Note Live dialpad is configurable via web user interface only.

  • Page 65: Basic Call Features

    Basic Call Features The SIP-T20P/SIP-T20 IP phone is designed to be easily used like a regular phone on a public switched telephone network (PSTN). You can place calls, answer calls, transfer a call to someone else, or conduct a conference call.
  • Page 66 User Guide for the SIP-T20P/SIP-T20 IP Phone Using the headset  You can also dial the number first, and then choose the way you want to speak to the other party. You can also search and dial a contact from call history or local directory. For more...
  • Page 67 To permanently activate the headset mode, refer to Headset Prior on page 36. To place multiple calls: You can have more than one call on your SIP-T20P/SIP-T20 IP phone. Press the line key. The active call is placed on hold. Enter the desired number using the keypad.
  • Page 68 User Guide for the SIP-T20P/SIP-T20 IP Phone To answer a call using the handset: Pick up the handset. To answer a call using the hands-free speakerphone mode: Do one of the following: Press With the handset on-hook and headset mode deactivated, press With the handset on-hook and headset mode deactivated, press the line key (the line LED flashes green).

  • Page 69: Auto Answer

    Basic Call Features To redial the last dialed number from your phone: Press twice. A call to your last dialed number is attempted. To redial a previously dialed number from your phone: Press when the phone is idle. Press to select the desired entry from the placed calls list, and then press You can use auto answer to automatically answer an incoming call on a line.

  • Page 70: Auto Redial

    User Guide for the SIP-T20P/SIP-T20 IP Phone You can enable auto redial to redial the phone number automatically when the called party is busy. You can also configure the times settings for auto redial and the time to wait between redial attempts.

  • Page 71: Call Completion

    Basic Call Features You can use call completion to notify the caller who failed to reach a desired callee when the callee becomes available to receive a call. To configure call completion via phone user interface: Press Select Features->Call Completion. 1.

  • Page 72: Call Return

    User Guide for the SIP-T20P/SIP-T20 IP Phone You can press a call return key to place a call back to the last incoming call. To configure a call return key via phone user interface: Press Select Features->DSS Keys. Select a desired DSS key.
  • Page 73 Basic Call Features To place a call on hold: Press during a call. The LCD screen indicates the call is on hold and the line LED flashes green. 1234 Hold 01:20 Note The phone will beep softly every 30 seconds to remind you that you still have a call on hold.
  • Page 74 User Guide for the SIP-T20P/SIP-T20 IP Phone In the DND block, mark the desired radio box in the Mode field. Click Confirm to accept the change. Note DND mode is configurable via web user interface only. To activate DND in phone mode: Press Select Features->DND Code.

  • Page 75: Do Not Disturb (Dnd)

    Basic Call Features Incoming calls will be rejected automatically and "n Missed Call" ("n" indicates the number of the missed calls) will appear on the LCD screen. 1 Missed Call 18 Jan 20:35 To activate DND in custom mode: Press Select Features->DND Code.

  • Page 76: Static Forwarding

    User Guide for the SIP-T20P/SIP-T20 IP Phone To configure the DND authorized numbers via web user interface: Click on Features->Forward & DND. Select Enabled from the pull-down list of DND Emergency. Enter the numbers in the DND Authorized Numbers field.

  • Page 77: Call Forward

    Basic Call Features No Answer Forward: Incoming calls are forwarded if not answered after a period  of time. You can enable/disable call forward for the phone system, or you can customize call forward for each or all accounts. Two call forward modes: Phone (default): Call forward is effective for the phone system.
  • Page 78 User Guide for the SIP-T20P/SIP-T20 IP Phone the Forward To field. 3) (Optional.) Enter the always forward on code and off code respectively in the On Code and Off Code field. 1. Always: ◄ Enable ► b.) If you select Busy Forward: 1) Press to select Enable from the Busy field.
  • Page 79 Basic Call Features Press to select the forwarding type, and then press Depending on your selection: a.) If you select Always Forward: 1) Press to select Enable from the Always field. 2) Enter the destination number you want to forward all incoming calls to in the Forward To field.

  • Page 80: Dynamic Forwarding

    User Guide for the SIP-T20P/SIP-T20 IP Phone icon appears on the LCD screen and the prompt “FWD:” appears in front of the associate account. FWD: 1003 24 Jul 10:39 Call forward is configurable via web user interface at the path Features->Forward &...
  • Page 81 Basic Call Features Enter the number you want to forward the incoming call to. FWD: 1234 Press The LCD screen prompts a call forwarded message. FWD To 1234 12 Sep 10:53 You can transfer a call to another party in one of the three ways: Blind Transfer: Transfer a call directly to another party without consulting.

  • Page 82: Call Waiting

    User Guide for the SIP-T20P/SIP-T20 IP Phone Enter the number you want to transfer the call to. Press to dial out. After the party answers the call, press to complete the transfer. If you are using a handset, the transfer can be completed by hanging up the handset.
  • Page 83 Basic Call Features The SIP-T20P/SIP-T20 IP phone supports up to 3 parties (including yourself) in a conference call. This is the default method of conference called Local Conference. To set up a local conference call: Place a call to the first party.

  • Page 84: Conference

    User Guide for the SIP-T20P/SIP-T20 IP Phone Select the desired account from the pull-down list of Account. Click on Advanced. Select Network Conference from the pull-down list of Conference Type. Enter the conference URI (e.g., conference@example.com) in the Conference URI field.

  • Page 85: Call Park

    Basic Call Features The procedures to set up a network conference call for specific servers may be different from that introduced above. Contact your system administrator for more information. You can use call park to place a call on hold, and then retrieve the call from another phone in the system (for example, a phone in another office or conference room).

  • Page 86: Call Pickup

    You can use call pickup to answer someone else’s incoming call on the phone. The SIP-T20P/SIP-T20 IP phone supports directed call pickup and group call pickup. Directed call pickup is used for picking up a call that is ringing at a specific phone number. Group call pickup is used for picking up a call that is ringing at any phone number in the group.

  • Page 87: Anonymous Call On

    Basic Call Features To pick up a call directly: Press the pickup key on your phone when the specific phone number receives an incoming call. The incoming call is answered on your phone. Group Call Pickup To configure a group pickup key via phone user interface: Press Select Features->DSS Keys.

  • Page 88: Anonymous Call

    User Guide for the SIP-T20P/SIP-T20 IP Phone To configure anonymous call via phone user interface: Press Select Features->Anonymous Call. Press to select the desired line from the Line ID field. Press to select Enable from the Send Anon field. 2. Send Anon: ◄...
  • Page 89 Basic Call Features Press to select Enable from the Anon Rejection field. 5. Anon Rejection: ◄ Enable ► (Optional.) Enter the anonymous call rejection on code in the Reject On Code field. (Optional.) Enter the anonymous call rejection off code in the Reject Off Code field. Press to accept the change.
  • Page 90 User Guide for the SIP-T20P/SIP-T20 IP Phone...

  • Page 91: Led Instructions On

    Advanced Phone Features This chapter provides operating instructions for the advanced features of the SIP-T20P/SIP-T20 IP phone. Topics include: Busy Lamp Field (BLF)  Call Recording  Hot Desking  Intercom  Multicast Paging  Music on Hold  Automatic Call Distribution (ACD) ...
  • Page 92 User Guide for the SIP-T20P/SIP-T20 IP Phone Enter the phone number you want to monitor in the Value field. (Optional.) Enter the pickup code in the Extension field. Press to accept the change. BLF key is configurable via web user interface at the path DSSKey->Line Key.
  • Page 93 Advanced Phone Features You can record calls by pressing a record key on the phone. The SIP-T20P/SIP-T20 IP phone supports record and URL record. Two ways of call recording: Record: the phone sends SIP INFO message containing a specific header “Record: ...
  • Page 94 You can use hot desking on the SIP-T20P/SIP-T20 IP phone to log out of the existing accounts and then log into a new account, that is, many users can share the phone resource in different time.
  • Page 95 Advanced Phone Features To configure a hot desking key via phone user interface: Press Select Features->DSS Keys. Select the desired DSS key. Press to select Key Event from the Type field. Press to select Hot Desking from the Key Type field. 2.

  • Page 96: Intercom

    Press the intercom key again or to end the intercom call. The SIP-T20P/SIP-T20 IP phone supports automatically to answer an incoming intercom call by default. The phone automatically plays a warning tone when it receives an incoming intercom call. In addition, you can enable the phone to mute the microphone when it automatically answers an incoming intercom call.
  • Page 97 Advanced Phone Features Intercom features you need to know: Intercom Feature Description Enable or disable the IP phone to automatically Accept Intercom answer an incoming intercom call. Enable or disable the microphone on the IP phone for Intercom Mute intercom calls. Enable or disable the IP phone to play a warning Intercom Tone tone when it receives an incoming intercom call.
  • Page 98 User Guide for the SIP-T20P/SIP-T20 IP Phone Intercom Tone You can enable or disable the phone to play a warning tone when receiving an intercom call. If Intercom Tone is enabled, the phone plays a warning tone before answering the intercom call. If Intercom Tone is disabled, the phone automatically answers the intercom call without warning.

  • Page 99: Multicast Paging

    Advanced Phone Features Multicast paging key is configurable via web user interface at the path DSSKey->Line Key. You can also configure the phone to use a default codec for sending multicast RTP stream via web user interface. To configure a default codec for multicast paging: Click on Features->General Information.
  • Page 100 User Guide for the SIP-T20P/SIP-T20 IP Phone The following figure shows a multicast RTP session on the phone: 224.5.6.20:10008 00:35 Press to place the current multicast RTP session on hold. Press to cancel the multicast RTP session. Multicast RTP is one way only- from sender to the multicast address(es) (receiver). For Note outgoing RTP multicasts, all other existing calls on the phone will be placed on hold.

  • Page 101: Music On Hold

    Advanced Phone Features Select the desired value from the pull-down list of Paging Priority Active. Enter the multicast IP address(es) and port number(e.g., 224.5.6.20:10008) which the phone listens for incoming RTP multicast in the Listening Address field. The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255. Enter the label in the Label field.
  • Page 102 ACD on the SIP-T20P/SIP-T20 IP phone allows the ACD system to distribute large volumes of incoming calls to the registered ACD users. To use this feature, you should configure an ACD key in advance.
  • Page 103 Advanced Phone Features Press to select ACD from the Type field. 1. Type: ◄ ACD ► Press to accept the change. ACD key is configurable via web user interface at the path DSSKey->Line Key. To log into the ACD system: Press the ACD key when the phone is idle.

  • Page 104: Message

    User Guide for the SIP-T20P/SIP-T20 IP Phone You can leave voice mails for someone else on the SIP-T20P/SIP-T20 IP phone. You can also listen to the voice mails stored in a centralized location. When receiving a new voice mail, the phone will play a warning tone and the MESSAGE key LED will illuminate and the LCD screen will display a flashing icon.

  • Page 105: Message Waiting Indicator (Mwi)

    The MWI service is unsolicited for some servers, so the SIP-T20P/SIP-T20 IP phone only handles the MWI messages sent from the server. But for other servers, the MWI service is solicited, so the SIP-T20P/SIP-T20 IP phone must enable subscription for MWI.
  • Page 106 User Guide for the SIP-T20P/SIP-T20 IP Phone Option Description subscribe for MWI and the voice mail number in advance. Note Whether the phone sends SUBSCRIBE messages for MWI service to the account or the mail voice number depends on the server. Contact your system administrator for more information.
  • Page 107 Advanced Phone Features Enter the desired voice mail number in the Voice Mail field. Click Confirm to accept the change. The IP phone will subscribe to the voice mail number for MWI service using Subscribe MWI to Voice Mail. Note MWI subscription is configurable via web user interface only.
  • Page 108 User Guide for the SIP-T20P/SIP-T20 IP Phone...

  • Page 109: Troubleshooting

    Troubleshooting This chapter provides general troubleshooting information to help to solve the problems you might encounter when using your SIP-T20P/SIP-T20 IP phone. If you require additional information or assistance with your new phone, contact your system administrator. Why is the LCD screen blank? Ensure that the phone is properly plugged into a functional AC outlet.

  • Page 110: Volume On

    User Guide for the SIP-T20P/SIP-T20 IP Phone How to obtain the MAC address of a phone when the phone is not powered on? Three ways to obtain the MAC address of a phone: You can ask your supplier for shipping information sheet which includes MAC ...
  • Page 111 Troubleshooting Activation/Deactivation on page 35. Check that the headset volume is adjusted to an appropriate level. Refer to Volume  on page 24. What will happen if I connect both PoE cable and power adapter? Which has the priority? The phones manufactured before February 2010 use the power adapter preferentially, otherwise the phones use PoE preferentially.
  • Page 112 User Guide for the SIP-T20P/SIP-T20 IP Phone Enter the desired time (in seconds) in the Play Hold Tone Delay field. Click Confirm to accept the change. How to change the user password? To change the user password via web user interface: Click on Security->Password.
  • Page 113 Troubleshooting How to make a call using SRTP? You can enable SRTP to encrypt the audio stream(s) of phone calls. The parties participating in the call should enable SRTP . You can enable SRTP on a per-line basis. To enable SRTP via web user interface: Click on Account.
  • Page 114 User Guide for the SIP-T20P/SIP-T20 IP Phone Click Reboot to reboot the phone. Note Any reboot of your phone may take a few minutes. How to export PCAP trace? We may need you to provide a PCAP trace to help analyze your problem.
  • Page 115 Troubleshooting How to export system log? We may need you to provide a system log to help analyze your problem. To export a system log via web user interface: Click on Settings->Configuration. Select 6 from the pull-down list of System Log Level. Click Confirm to accept the change.
  • Page 116 User Guide for the SIP-T20P/SIP-T20 IP Phone Click Export to open file download window, and then save the file to your local system. To import the phone configurations via web user interface: Click on Settings->Configuration. Click Brower to locate a configuration file from your local system.
  • Page 117 Troubleshooting Click OK to confirm upgrading. How to reset the phone? Reset the phone when other troubleshooting suggestions do not correct the problem. You need to note that all customized settings will be overwritten after resetting. So we recommend asking your system administrator for advice before resetting the phone. To reset the phone via phone user interface: Press Select Settings->Advanced (password: admin).
  • Page 118 User Guide for the SIP-T20P/SIP-T20 IP Phone...

  • Page 119: Regulatory Notices

    Without prior written consent, no organization or individual is permitted to  make any change to the structure or the safety design of the device. Yealink is under no circumstance liable to consequences or legal issues caused by such changes.
  • Page 120 User Guide for the SIP-T20P/SIP-T20 IP Phone Environmental Requirements Place the device at a well-ventilated place. Do not expose the device under  direct sunlight. Keep the device dry and free of dusts.  Place the device on a stable and level platform.
  • Page 121 Regulatory Notices Cleaning Requirements Before cleaning the device, stop using it and disconnect it from the power  supply. Use a piece of soft, dry and anti-static cloth to clean the device.  Keep the power plug clean and dry. Using a dirty or wet power plug may ...
  • Page 122 User Guide for the SIP-T20P/SIP-T20 IP Phone...

  • Page 123: Appendix A - Time Zones

    Appendix A – Time Zones 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...
  • Page 124 User Guide for the SIP-T20P/SIP-T20 IP Phone Time Zone Time Zone Name +01:00 Germany(Berlin) +01:00 Hungary(Budapest) +01:00 Italy(Rome) +01:00 Luxembourg(Luxembourg) +01:00 Macedonia(Skopje) +01:00 Netherlands(Amsterdam) +01:00 Namibia(Windhoek) +02:00 Estonia(Tallinn) +02:00 Finland(Helsinki) +02:00 Gaza Strip(Gaza) +02:00 Greece(Athens) +02:00 Israel(Tel Aviv) +02:00 Jordan(Amman)

  • Page 125: Index

    Index Documentations About This Guide DSS Keys Account Management Dual Headset Account Registration Dynamic Forwarding Adding Contacts Adding Groups Administrator password Editing Contacts Always Forward Editing Groups Anonymous Call Emergency Number Anonymous Call Rejection Ending Calls Answering Calls Area Code Attaching Stand General Settings Attended Transfer...
  • Page 126 User Guide for the SIP-T20P/SIP-T20 IP Phone Network Conference Network Connection No answer Forward Outgoing Intercom Call Overview Packaging Contents Phone Installation Phone Initialization Phone Status Phone User Interface Placing Calls Placing Calls to Contacts Programmable Keys Receiving RTP Stream...

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