Yealink SIP-T23P User Manual
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Yealink SIP-T23P User Manual

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  • Page 2 Copyright © 2014 YEALINK NETWORK TECHNOLOGY Copyright © 2014 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-T23(P/G) 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: About This Guide

    Call Hold, Call Transfer, Busy Lamp Field, Multicast Paging and Conference over an IP network. The difference among the SIP-T23, T23P and T23G IP phones is that SIP-T23P and SIP-T23G support PoE, while SIP-T23 does not , and SIP-T23G supports kilomega network interface.
  • Page 6 User Guide for the SIP-T23/T23P/T23G IP Phone...

  • Page 7: Table Of Contents

    Table of Contents About This Guide ..............v In This Guide ......................... v Table of Contents ..............vii Overview .................. 1 Hardware Component Instructions ..................1 Icon Instructions ........................3 LED Instructions ........................4 User Interfaces ........................5 Phone User Interface ......................5 Web User Interface ......................
  • Page 8 User Guide for the SIP-T23/T23P/T23G IP Phone Directory........................... 29 Local Directory ........................ 30 Blacklist ..........................41 Remote Phone Book ......................42 Call History Management ....................44 System Customizations ...................... 46 Logo Customization ......................46 Headset Use ........................47 DSS Keys .......................... 49 Account Management ....................

  • Page 9: Table Of Contents

    Table of Contents Hot Desking ........................106 Intercom ..........................108 Outgoing Intercom Calls ....................108 Incoming Intercom Calls ....................109 Multicast Paging ....................... 110 Sending RTP Stream ..................... 111 Receiving RTP Stream ....................114 Music on Hold ........................115 Automatic Call Distribution (ACD).................. 116 Messages ..........................

  • Page 11: Overview

    Overview This chapter provides the overview of the SIP-T23(P/G) IP phone. Topics include: Hardware Component Instructions  Icon Instructions  LED Instructions  User Interfaces  Documentations  If you require additional information or assistance with your new phone, contact your system administrator.
  • Page 12 User Guide for the SIP-T23/T23P/T23G IP Phone Hardware component instructions of the SIP-T23(P/G) IP phone are: Item Description Shows information about calls, messages, soft keys, time, date and other relevant data: • Call information — caller ID, call duration ① LCD Screen •...
  • Page 13 Overview Icons appearing on the LCD screen are described in the following table: Icon Description Network is unavailable Private line registers successfully Register failed/Registering Hands-free speakerphone mode Handset mode Headset mode Multi-lingual lowercase letters input mode Multi-lingual uppercase letters input mode Alphanumeric input mode Numeric input mode Multi-lingual uppercase and lowercase...
  • Page 14 User Guide for the SIP-T23/T23P/T23G IP Phone Icon Description Received Calls Placed Calls Missed Calls Recording box is full A call cannot be recorded Recording starts successfully Recording cannot be started Recording cannot be stopped Power Indicator LED LED Status Description Solid red The phone is initializing.

  • Page 15: Phone User Interface

    Note The above introduces the default LED status. The statuses of the power indicator LED and BLF key are configurable via web user interface. For more information, refer to Yealink IP Phone Family Administrator Guide. Two ways to customize configurations of your SIP-T23(P/G) IP phone: The user interface on the IP phone.

  • Page 16: Web User Interface

    User Guide for the SIP-T23/T23P/T23G IP Phone phone is idle. Enter the IP address (e.g., http://192.168.0.10 or 192.168.0.10) in the address bar of a web browser on your PC. The default administrator user name and password are both “admin” (case-sensitive). The options you can use to customize the IP phone via phone user interface and/or via web user interface are listed in the following table: Options...
  • Page 17 Overview Options Phone User Interface Web User Interface --Call Forward √ --Call Transfer √ --Call Waiting √ --Conference --Call Park √ --Call Pickup √ --Anonymous Call √ --Anonymous Call Rejection √ Advanced Phone Features --Busy Lamp Field (BLF) √ --BLF List --Call Recording √...
  • Page 18 User Guide for the SIP-T23/T23P/T23G IP Phone The following table shows documentations available for the SIP-T23(P/G) IP phone. Name Contents Where found Language Basic call features and In the Quick Start Guide English phone customizations package Phone/Web user interface settings On the User Guide Basic call features and...

  • Page 19: Getting Started

    Getting Started This chapter provides basic installation instructions and information for obtaining the best performance with the SIP-T23(P/G) IP phone. Topics include: Packaging Contents  Phone Installation  Phone Initialization  Phone Status  Basic Network Settings  Registration  Idle Screen ...
  • Page 20 User Guide for the SIP-T23/T23P/T23G IP Phone Phone Stand  Power Adapter (Optional)  Handset & Handset Cord  Ethernet Cable  Quick Start Guide  Check the list before installation. If you find anything missing, contact your system administrator.
  • Page 21 Getting Started 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 1) Attach the stand a) Desk Mount Method: b) Wall Mount Method:...

  • Page 22: Power Over Ethernet

    PoE-compliant switch or hub. PoE is not applicable to the SIP-T23 IP phone. To connect the PoE for the SIP-T23P/T23G 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 23 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 “Welcome 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 24 User Guide for the SIP-T23/T23P/T23G IP Phone To view the phone status via web user interface: Open a web browser on your computer. Enter the IP address in the browser’s address bar, and then press Enter. Enter the user name (admin) and password (admin) in the login page. Click Confirm to login.
  • Page 25 Getting Started Press to select IPv4, IPv6 or IPv4 & IPv6 from the IP Mode field. Press the Save soft key to accept the change or the Back soft key to cancel. To configure a static IPv4 address via phone user interface: Press Menu->Settings->Advanced Settings (default password: admin) ->Network->WAN Port.
  • Page 26 User Guide for the SIP-T23/T23P/T23G IP Phone If you are using an xDSL modem for IPv4 network connection, you can connect your phone to the Internet via PPPoE mode. Set the WAN port as a PPPoE port. The PPPoE port will perform a PPP negotiation to obtain the IP address.
  • Page 27 Customizing Your Phone You can customize your SIP-T23(P/G) IP phone by personally configuring certain settings, for example, backlight, time & date and ring tones. You can add contacts to the phone’s local directory manually or from call history. You can also personalize different ring tones for different callers.
  • Page 28 User Guide for the SIP-T23/T23P/T23G IP Phone You can configure the backlight status on the LCD screen from the following options: Always On: Backlight is on permanently.  15, 30, 60, 120, 300, 600 or 1800: Backlight is turned off when the phone is inactive ...
  • Page 29 Customizing Your Phone user interface respectively. To change the language for the phone user interface: 1. Press Menu->Settings->Basic Settings->Language. 2. Press to select the desired language. 3. Press the Save soft key to accept the change. Text displayed on the LCD screen will change to the selected language. To change the language for the web user interface: Click on Settings->Preference.
  • Page 30 User Guide for the SIP-T23/T23P/T23G IP Phone To configure the SNTP settings via phone user interface: Press Menu->Settings->Basic Settings->Time & Date->SNTP Settings. Press , or the Switch soft key to select the time zone that applies to your area from the Time Zone field. The default time zone is "+8 China(Beijing)".
  • Page 31 Customizing Your Phone To configure the time and date format via phone user interface: Press Menu->Settings->Basic Settings->Time & Date->Time & Date Format. Press , or the Switch soft key to select the desired time format from the Hour Clock field. Press , or the Switch soft key to select the desired date format from the Date Format field.

  • Page 32: Key As Send

    User Guide for the SIP-T23/T23P/T23G IP Phone To change the administrator password via phone user interface: Press Menu->Settings->Advanced Settings (default password: admin) ->Set Password. Enter the old password in the Current PWD field. Enter the new password in the New PWD field. Re-enter the new password in the Confirm PWD field.
  • Page 33 Customizing Your Phone Menu Key: The Menu soft key is locked. You cannot access the menu of the phone until unlocked. Function Keys: The function keys are locked. You cannot use the MESSAGE, RD, TRAN, OK, X, navigation keys, soft keys and line keys until unlocked.
  • Page 34 User Guide for the SIP-T23/T23P/T23G IP Phone The LCD screen prompts “Keypad locked.” and displays the icon You can specify the interval (in seconds) to automatically lock the keypad instead of long pressing To configure the interval of automatic keypad lock via web user interface: Click on Features->Phone Lock.
  • Page 35 Customizing Your Phone To change the phone unlock PIN via phone user interface: Press Menu->Settings->Basic Settings (default password: admin) ->Phone Unlock PIN. Enter the old PIN in the Current PIN field. Enter the new PIN in the New PIN field. Re-enter the new password in the Confirm PIN field.
  • Page 36 User Guide for the SIP-T23/T23P/T23G IP Phone Press , or the Switch soft key to select Disabled from Lock Enable field. Press the Save soft key to accept the change. 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.
  • Page 37 Customizing Your Phone Ring tones are used to indicate incoming calls. You can select different ring tones to distinguish different accounts registered on your phone, or to distinguish your phone from your neighbor’s. To select a ring tone for the phone via phone user interface: Press Menu->Settings->Basic Settings->Sound->Ring Tones->Common.
  • Page 38 User Guide for the SIP-T23/T23P/T23G IP Phone If Common is selected, this account will use the ring tone selected for the phone. Refer to the above instruction. Click Confirm to accept the change. Note The ring tone for an incoming call on the phone may be different. For example, when the phone receives an incoming call from a contact stored in the local directory, it will play the ring tone assigned to the contact in the contact directory (refer to Adding...
  • Page 39 Customizing Your Phone Click Upload to upload the file. Note All custom ring tone files must be no greater than 100KB. Custom ring tones for your phone can be uploaded via web user interface only. This section provides the operating instructions for managing contacts. Topics include: Directory ...
  • Page 40 Remote Phone Book on page 42. For more information on the LDAP , refer to Yealink IP Phone Family Administrator Guide The built-in phone directory can store the names and phone numbers of your contacts. You can store up to 1000 contacts and 48 groups in your phone's local directory. You can...
  • Page 41 Customizing Your Phone add new groups and contacts, edit, delete or search for a contact, or simply dial a contact number from the local directory. To add a group to the local directory: Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default.
  • Page 42 User Guide for the SIP-T23/T23P/T23G IP Phone The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default. If Local Directory is removed from the directory, press Menu->Directory->Local Directory to enter the local directory. Press to select the desired group (e.g., Test).

  • Page 43: Adding Contacts Manually

    Customizing Your Phone The LCD screen prompts “Delete selected group?”. Press the OK soft key to confirm the deletion or the Cancel soft key to cancel. You can also delete all groups by pressing the Option soft key and then select Delete All. For more information, refer to the above steps.
  • Page 44 User Guide for the SIP-T23/T23P/T23G IP Phone Enter the name and the office, mobile or other numbers in the corresponding fields. Press , or the Switch soft key to select the desired account from the Account field. If Auto is selected, the phone will use the first available account when placing calls to the contact from the local directory.
  • Page 45 Customizing Your Phone enter the remote phone book. Press to select the desired contact. Press the Option soft key, and then select Add to Contacts from the prompt list. Press the Save soft key to save the contact in the local directory. If the contact already exists in the local directory, the LCD screen will prompt “Overwrite the original contact?”.
  • Page 46 User Guide for the SIP-T23/T23P/T23G IP Phone To delete a contact from the local directory: Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default. If Local Directory is removed from the directory, press Menu->Directory->Local Directory to enter the local directory.
  • Page 47 Customizing Your Phone If Local Directory is removed from the directory, press Menu->Directory->Local Directory to enter the local directory. Press the Enter soft key. If the groups have been added to the local directory, select the desired group and then press the Enter soft key. Press to select the desired contact.
  • Page 48 User Guide for the SIP-T23/T23P/T23G IP Phone appear on the LCD screen. You can dial from the result list. You can search for a contact in your desired lists when the phone is in the dialing screen. The lists may contain Local Directory, History, Remote Phone Book and LDAP . To configure search source list in dialing via web user interface: Click on Directory->Setting.
  • Page 49 Customizing Your Phone The contacts in the enabled search source lists whose name or phone number matches the characters entered will appear on the LCD screen. You can press to scroll to the desired contact and then place a call to the contact. You can manage your phone’s local directory via phone or web user interface.
  • Page 50 User Guide for the SIP-T23/T23P/T23G IP Phone To import a CSV contact list file via web user interface: Click on Directory->Local Directory. Click Browse to locate a contact list file (the file format must be *.csv) from your local system. (Optional.) Check the Show Title checkbox.
  • Page 51 Customizing Your Phone The built-in phone directory can store names and phone numbers for a blacklist. You can store up to 30 contacts, add, edit, delete or search for a contact in the blacklist directory, and even call a contact from the blacklist directory. Incoming calls from blacklist directory contacts will be rejected automatically.
  • Page 52 User Guide for the SIP-T23/T23P/T23G IP Phone The LCD screen prompts "Move selected to blacklist?". Press the OK soft key to confirm the setting. For operating instructions on adding, editing, deleting, placing calls to and/or searching for contacts in the blacklist, refer to the operating instructions of Local Directory on page You can access your remote phone book through your phone.
  • Page 53 Customizing Your Phone To access your remote phone book via phone user interface: Press Menu->Directory->Remote Phone Book. If Remote Phone Book is added to the , press Dir->Remote Phone Book to directory enter the remote phone book. Press to select the desired remote group, and then press the Enter soft key.
  • Page 54 User Guide for the SIP-T23/T23P/T23G IP Phone Select the desired contact in the remote phone book. Press the Send soft key. In addition, you can enable the phone to present the caller identify stored in the remote phone book when receiving a call. To enable the presentation of caller identify stored in a remote phone book via web user interface: Click on Directory->Remote Phone Book.
  • Page 55 Customizing Your Phone To disable history record via phone user interface: Press Menu->Features->History Setting. Press , or the Switch soft key to select Disable from the History Record field. Press the Save soft key to accept the change or the Back soft key to cancel. To view call history: Press the History soft key.
  • Page 56 User Guide for the SIP-T23/T23P/T23G IP Phone To delete an entry from the call history list: Press the History soft key. Press to switch between All Calls, Missed Calls ,Placed Calls, Received Calls, and Forwarded Calls. Press to select the desired entry. Press the Delete soft key.
  • Page 57 Customizing Your Phone Select Custom Logo from the pull-down list of Use Logo. Click Browse to select the logo file from your local system. Click Upload to upload the file. Click Confirm to accept the change. Note The logo file format must be *.dob, contact your system administrator for more information.
  • Page 58 User Guide for the SIP-T23/T23P/T23G IP Phone To deactivate the headset: Press again on the phone. The headset icon disappears from the idle screen 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 59 Customizing Your Phone You can use two headsets when enabling dual headset. To use this feature, you must physically connect headsets to the headset jack and handset jack respectively. Once the phone connects to a call, the headset connected to the headset jack will have full-duplex capabilities, while the one connected to the handset jack will only be able to listen.
  • Page 60 User Guide for the SIP-T23/T23P/T23G IP Phone To configure a line key via phone user interface: Press Menu->Features->DSS Keys. Select the desired line key, and then press the Enter soft key. Select the desired key type from the Type field. (Optional.) Select the desired key event from the Key Type field.
  • Page 61 Customizing Your Phone  For more information, contact your system administrator. Speed Dial You can use this key feature to speed up dialing numbers frequently used or hard to remember. Type (Speed Dial) Dependencies: Value (the number you want to dial out) Label (key label displayed on the touch screen) Account ID (the account this feature will be applied to) Usage: Press the DSS key to dial out the number specified in the Value field, using the...
  • Page 62 User Guide for the SIP-T23/T23P/T23G IP Phone Value (the group pickup feature code) Usage: Press the DSS key on your phone when a phone number in the group receives an incoming call. The call is answered on your phone. DTMF You can use this key feature to send the specification of arbitrary key sequences via DTMF .
  • Page 63 Customizing Your Phone Usage: Press the DSS key to access the remote group specified in the Phone Book Name field. XML Browser You can use this key feature to quickly access a XML browser. The XML browser allows you to create custom services which meet your functional requirements on the server. You can customize practical applications, such as weather report, stock information, Google search, etc.
  • Page 64 User Guide for the SIP-T23/T23P/T23G IP Phone Value (the number you want to forward to) Usage: Press the DSS key to forward an incoming call to the number specified in the Value field. Note If the Value field is left blank, the DSS key performs the same function as the Fwd soft key when receiving an incoming call.
  • Page 65 Customizing Your Phone You can use this key feature to activate or deactivate DND. You can also use this key feature to access the custom DND screen. For more information, refer to Do Not Disturb (DND) on page 77. Type (Key Event) Dependencies: Key Type (DND) Usage:...
  • Page 66 User Guide for the SIP-T23/T23P/T23G IP Phone Usage: During a call, press the DSS key to activate the group listening mode. You can then speak and listen through the handset/ headset, while other people at your side can only listen through the speaker at the same time. Press the DSS key again to deactivate the group listening mode.
  • Page 67 Customizing Your Phone Customize specific features for these keys. Click Confirm to accept the change. You can click Reset to default to reset custom settings to defaults. Note Programmable keys are configurable via web user interface only. You can register one or multiple accounts on the SIP-T23(P/G) IP phone. You can also configure each line key to associate with an account or configure multiple line keys to associate with an account.
  • Page 68 User Guide for the SIP-T23/T23P/T23G IP Phone Press the Save soft key to accept the change or the Back soft key to cancel. You can repeat steps 2 to 5 to register more accounts. To disable an account via phone user interface: Press Menu->Settings->Advanced Settings (default password: admin) ->Accounts.
  • Page 69 Customizing Your Phone Area Code  Block Out  The basic expression syntax you need to know: The dot ”.” can be used as a placeholder or multiple placeholders for any character. Example: “12.” would match “123”, “1234”, “12345”, "12abc", etc. An “x”...
  • Page 70 User Guide for the SIP-T23/T23P/T23G IP Phone Enter the desired line ID in the Account field or leave it blank. Click Add to add the replace rule. When you enter the number “00” using the keypad and then press the Send soft key, the phone will dial out “123456”...
  • Page 71 Customizing Your Phone You can configure one or more dial-now rules (up to 100) on your phone. When the dialed out number matches the dial-now string, the number will be dialed out automatically. For example, a dial-now rule is configured as “1xx”, any entered three-digit string beginning with 1 will then be dialed out automatically on the phone.
  • Page 72 User Guide for the SIP-T23/T23P/T23G IP Phone Enter the time between 1 and 14 (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. Area codes are also known as Numbering Plan Areas (NPAs).
  • Page 73 Customizing Your Phone For more information on the valid values for the Account field, refer to Replace Rule on page 59. Click Confirm to accept the change. Note The default values of minimum and maximum length are 1 and 15 respectively. Area code is configurable via web user interface only.
  • Page 74 User Guide for the SIP-T23/T23P/T23G IP Phone For more information on the valid values for the Account field, refer to Replace Rule on page 59. Click Confirm to add the block out number. Note Block out number is configurable via web user interface only. Public telephone networks in countries around the world have a single emergency telephone number (emergency services number), that allows a caller to contact local emergency services for assistance when necessary.
  • Page 75 Customizing Your Phone For multiple numbers, enter a comma between every two emergency numbers. The default emergency numbers are 112, 911 and 110. Click Confirm to accept the change. Note Emergency number is configurable via web user interface only. You can enable live dialpad on the SIP-T23(P/G) IP phone, which enables the IP phone to automatically dial out a phone number without the pressing of the send key.

  • Page 76: Hotline

    User Guide for the SIP-T23/T23P/T23G IP Phone The default delay time is 4s. Click Confirm to accept the change. Note Live dialpad is configurable via web user interface only. You can dial a hotline number immediately upon lifting the handset, pressing the Speakerphone key or pressing a line key.
  • Page 77 Anonymous Call  Anonymous Call Rejection  If you require additional information or assistance with your new phone, contact your system administrator. You can place a call in one of three ways using your SIP-T23G/SIP-T23P/T23 IP phone: Using the handset ...
  • Page 78 User Guide for the SIP-T23/T23P/T23G IP Phone Using the speakerphone  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, local directory or remote phone book.
  • Page 79 Basic Call Features To place a call using the headset: Do one of the following: With the optional headset connected, press to activate the headset mode. Press the line key to obtain a dial tone. Enter the desired number using the keypad. Press , or the Send soft key.
  • Page 80 User Guide for the SIP-T23/T23P/T23G IP Phone Answering When Not in Another Call Call duration and destination will always appear on the LCD screen for the active call. 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 the Answer soft...
  • Page 81 Basic Call Features If you are using the speakerphone, press or the EndCall soft key. Note EndCall To end a call placed on hold, you can press the soft key to end the call directly, or press the Resume soft key to resume the call before ending it. To redial the last dialed number from your phone: Press twice.
  • Page 82 User Guide for the SIP-T23/T23P/T23G IP Phone Click Confirm to accept the change. Note Recent call in dialing is configurable via web user interface only. To view placed calls list when the phone is in the pre-dialing screen: Pick up the handset, press the speakerphone or press the line key. The LCD screen displays the placed calls list.
  • Page 83 Basic Call Features Auto answer is configurable via web user interface at the path Account->Basic. Note Auto answer is only applicable when there is no other call in progress on the phone. You can enable auto redial to automatically redial a phone number when the called party is busy.
  • Page 84 User Guide for the SIP-T23/T23P/T23G IP Phone Press the OK soft key to activate auto redial. The following prompt will appear on the LCD screen of the phone: Wait for the designated period of time or press the OK soft key to redial the phone number.
  • Page 85 Basic Call Features Press the OK soft key, the phone returns to the idle screen and call completion is activated. When the called party becomes idle, the following prompt appears on the LCD screen of the phone: Press the OK soft key to redial the number. Note Call completion is not available on all servers.
  • Page 86 User Guide for the SIP-T23/T23P/T23G IP Phone To mute a call: Press during an active call. The LCD screen indicates that the call is now muted. To un-mute a call: Press again to un-mute the call. You can place an active call on hold. Only one active call can be in progress at any time. Other calls can be made and received while placing the original call on hold.
  • Page 87 Basic Call Features A numbered prompt appears on the LCD screen, for example “2/3”, indicating that this is the second call out of three calls. If multiple calls are placed on hold on more than one line key, you can view call details by pressing the corresponding line key, and then press the Resume soft key to retrieve the call.
  • Page 88 User Guide for the SIP-T23/T23P/T23G 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 the DND soft key when the phone is idle.
  • Page 89 Basic Call Features The LCD screen displays a list of the accounts on the phone. Press to select the desired account,then press the Enter soft key. Press soft key to select Enable in DND Enables field. Press the Save soft key to accept the change. icon appears on the idle screen and the associated line icon changes Incoming calls on this line will be rejected automatically and "n New Missed Call(s)"...
  • Page 90 User Guide for the SIP-T23/T23P/T23G IP Phone Press the All On soft key to activate DND for all accounts. Press the Save soft key to accept the change. icon appears on the idle screen and all line icons change to Incoming calls will be rejected automatically and "n New Missed Call(s)"...

  • Page 91: Static Forwarding

    Basic Call Features You can configure your phone to forward incoming calls to another party through static forwarding. You can also forward calls while your phone is ringing; refer to dynamic forwarding. Static Forwarding Three types of static forwarding: Always Forward: Incoming calls are immediately forwarded. ...
  • Page 92 User Guide for the SIP-T23/T23P/T23G IP Phone To enable call forward in phone mode: Press Menu->Features->Call Forward. Press to select the desired forwarding type, and then press the Enter soft key. Depending on your selection: a.) If you select Always Forward: 1) Press , or the Switch soft key to select Enable from the Always Forward field.
  • Page 93 Basic Call Features On Code and Off Code field. Busy forward on code/ off code is used to activate/deactivate the server-side always forward feature when the user enables/ disables busy forward feature on the phone. c.) If you select No Answer Forward: 1) Press , or the Switch soft key to select Enable from the No Answer Forward field.
  • Page 94 User Guide for the SIP-T23/T23P/T23G IP Phone 1) Press , or the Switch soft key to select Enable from the Always field. 2) Enter the destination number you want to forward incoming calls to in the Forward to field. 3) (Optional.) Enter the always forward on code and off code respectively in the On Code and Off Code field.
  • Page 95 Basic Call Features You can also enable busy forward for all accounts. After busy forward was enabled for a specific account, do the following: 1) Press to select the Busy field. 2) Press the All Lines soft key. The LCD screen prompts “Copy to All Lines?”. 3) Press the OK soft key to accept the change or the Cancel soft key to cancel.

  • Page 96: Dynamic Forwarding

    User Guide for the SIP-T23/T23P/T23G IP Phone 3) Press the OK soft key to accept the change or the Cancel soft key to cancel. Press the Save soft key to accept the change or the Back soft key to cancel. icon appears on the idle screen and the associate line icon changes to Call forward is configurable via web user interface at the path Features->Forward &...
  • Page 97 Basic Call Features Enter the number you want to forward the incoming call to. Press , or the Send soft key. The incoming call is forwarded. The LCD screen prompts a call forward message. Note When the phone forwards a call, the forward call prompt window will pop up by default, if you want to disable the feature, contact your system administrator for more information.
  • Page 98 User Guide for the SIP-T23/T23P/T23G IP Phone group and search for the contact (Directory and remote phone book should be configured in advance. Refer to Directory on page Remote Phone Book on page for more information.). Press the Send soft key, to dial out.
  • Page 99 Basic Call Features To configure call waiting via phone user interface: Press Menu->Features->Call Waiting. Press , or the Switch soft key to select Enable from the Call Waiting field. Press , or the Switch soft key to select Enable from the Play Tone field. Press the Save soft key to accept the change or the Back soft key to cancel.
  • Page 100 User Guide for the SIP-T23/T23P/T23G IP Phone Enter the number of the second party and press , or the Send soft key. When the second party answers the call, you can consult with him or her before adding to the conference. Press the Conf soft key again to join all parties in the conference.
  • Page 101 Basic Call Features To use this feature, contact your system administrator for the network conference URI in advance. To configure network conference via web user interface: Click on Account. 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.
  • Page 102 User Guide for the SIP-T23/T23P/T23G IP Phone Repeat steps 5 to 7 until you have added all intended parties. The procedures to set up a network conference call for specific servers may be different from 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 103: Directed Call Pickup

    Basic Call Features parked call. The system establishes call between phone C and B. Note The call park code and call park retrieve code are predefined on the system server. Contact your system administrator for more information. If the parked call is not retrieved within a period of time assigned by the system, the phone performing call park will receive a call back.
  • Page 104 User Guide for the SIP-T23/T23P/T23G IP Phone Select Enabled from the pull-down list of Directed Call Pickup. Click Confirm to accept the change. To configure the directed call pickup code on a global basis via web user interface: Click on Features->Call Pickup. Enter the directed call pickup code in the Directed Call Pickup Code field.
  • Page 105 Basic Call Features Enter the directed call pickup code in the Directed Call Pickup Code field. Click Confirm to accept the change. To pick up a call directly: Pick up the handset and press the more soft key.. The DPickup soft key appears on the LCD screen. Press the DPickup soft key on your phone when the target phone receives an incoming call.

  • Page 106: Group Call Pickup

    User Guide for the SIP-T23/T23P/T23G IP Phone Group Call Pickup To enable group call pickup via web user interface: Click on Features->Call Pickup. Select Enabled from the pull-down list of Group Call Pickup. Click Confirm to accept the change. To configure the group call pickup code on a global basis via web user interface: Click on Features->Call Pickup.
  • Page 107 Basic Call Features To configure the group call pickup code on a per-line basis via web user interface: Click on Account. Select the desired account from the pull-down list of Account. Click on Advanced. Enter the group call pickup code in the Group Call Pickup Code field. Click Confirm to accept the change.
  • Page 108 User Guide for the SIP-T23/T23P/T23G IP Phone You can also configure a DSS key as a group pickup key via phone user interface or web user interface. Once configured, you can pick up a call by pressing the group pickup key directly. Note The directed call pickup code and group call pickup code are predefined on the system server.
  • Page 109 Basic Call Features To place an anonymous call: Using the specific line on the phone to place a call to phone B. The LCD screen of phone B prompts an incoming call from anonymity. You can use anonymous call rejection to reject incoming calls from anonymous callers. Anonymous call rejection automatically rejects incoming calls from callers who deliberately block their identities and numbers from being displayed.
  • Page 110 User Guide for the SIP-T23/T23P/T23G IP Phone...

  • Page 111: Hot Desking

    Advanced Phone Features This chapter provides operating instructions for the advanced features of the SIP-T23(P/G) IP phone. Topics include: Busy Lamp Field (BLF)  BLF List  Call Recording  Hot Desking  Intercom  Multicast Paging  Music on Hold ...
  • Page 112 User Guide for the SIP-T23/T23P/T23G IP Phone Press , or the Switch soft key to select BLF from the Type field. Press , or the Switch soft key to select the desired account from the Account ID field. (Optional.) Enter the string that will appear on the LCD screen in the Label field. Enter the phone number or extension you want to monitor in the Value field.
  • Page 113 Advanced Phone Features Click Confirm to accept the change. Note Visual and audio alert features are configurable via web user interface only. When the monitored line receives an incoming call, the following occurs on your phone: The phone plays a warning tone (if enabled). ...
  • Page 114 User Guide for the SIP-T23/T23P/T23G IP Phone When the monitored user receives an incoming call, press the BLF list key to pick up  the call directly. Before picking up an incoming call, ensure that the directed pickup code has been configured in advance. When there is a conversation on the monitored user, press the BLF list key to barge ...
  • Page 115 Advanced Phone Features Two ways of call recording: Record: The phone sends SIP INFO message containing a specific header “Record:  on/off” to trigger a recording. URL Record: The phone sends HTTP URL request to trigger a recording. Contact  your system administrator for the predefined URL.
  • Page 116 User Guide for the SIP-T23/T23P/T23G IP Phone The record and URL record keys control the recording function, and are available: During an active call  When calls are on hold or mute  During a blind or attended transfer  During a conference call ...
  • Page 117 Advanced Phone Features means that actual personal offices would be often vacant, consuming valuable space and resources. You can use hot desking on the SIP-T23(P/G) IP phone to log out of existing accounts and then log into a new account, that is, many users can share the phone resource at different times.
  • Page 118 User Guide for the SIP-T23/T23P/T23G IP Phone The login wizard will be displayed as below: Enter the desired values in the User Name and Password fields respectively. Contact your system administrator for more information. Press the Save soft key to login or Cancel soft key to cancel. Intercom is a useful feature in an office environment to quickly connect with the operator or the secretary.
  • Page 119 Advanced Phone Features Intercom key is configurable via web user interface at the path DSSKey->Line key. To place an intercom call: Press the intercom key when the phone is idle. The phone is automatically connected to the extension specified in the Value field. Press the intercom key again or the EndCall soft key to end the intercom call.
  • Page 120 User Guide for the SIP-T23/T23P/T23G IP Phone Accept Intercom You can enable or disable the phone to automatically answer an incoming intercom call. If Intercom Allow is enabled, the phone will automatically answer an incoming intercom call. If Intercom Allow is disabled, the phone will reject incoming intercom calls and send a busy message to the caller.
  • Page 121 Advanced Phone Features To configure a multicast paging key via phone user interface: Press Menu->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 Type field.
  • Page 122 User Guide for the SIP-T23/T23P/T23G IP Phone To configure paging list via phone user interface: Press the paging list key when the phone is idle. Press to select a desired paging group. The default tag is (Empty) if it is not configured before. Press the Option soft key.
  • Page 123 Advanced Phone Features The default codec is G722. Click Confirm to accept the change. Note If G722 codec is used for multicast paging, the LCD screen prompts "HD" to indicate that it is providing high definition voice. Default codec for multicast paging is configurable via web user interface only. To send RTP stream via a multicast paging key: Press the multicast paging key when the phone is idle.
  • Page 124 User Guide for the SIP-T23/T23P/T23G IP Phone Press the EndCall soft key to cancel the multicast RTP session. Note Multicast RTP is one way only from the sender to the multicast address(es) (receiver). For outgoing RTP multicasts, all other existing calls on the phone will be placed on hold. To send RTP stream via a paging list key: Press the paging list key when the phone is idle.
  • Page 125 Advanced Phone Features place the previous multicast paging call on hold. If disabled, the phone will automatically ignore all incoming multicast paging calls. To configure multicast listening addresses via web user interface: Click on Directory->Multicast IP. Select the desired value from the pull-down list of Paging Barge. Select the desired value from the pull-down list of Paging Priority Active.
  • Page 126 User Guide for the SIP-T23/T23P/T23G IP Phone immediately plays audio from some source located anywhere (LAN, Internet) to the held party. Contact your system administrator for the SIP URI. To configure music on hold server via web user interface: Click on Account. Select the desired account from the pull-down list of Account.
  • Page 127 Advanced Phone Features To configure an ACD key via phone user interface: Press Menu->Features->DSS Keys. Select the desired DSS key. Press , or the Switch soft key to select ACD from the Type field. (Optional.) Enter the string that will appear on the LCD screen in the Label field. Press the Save soft key to accept the change or the Back soft key to cancel.
  • Page 128 User Guide for the SIP-T23/T23P/T23G IP Phone After configuring an ACD key, you can press the ACD key to log into the ACD system After logging in, you are ready to receive calls from the . You can press the ACD system ACD key to show your current ACD user status.
  • Page 129 Advanced Phone Features To read a text message: Press Menu->Message->Text Message->Inbox. Select the desired message and press the View soft key. Note If the phone prompts receiving new text messages, you can also press the View soft key to read the new messages directly. To send a text message: Press Menu->Message->Text Message->New Message.
  • Page 130 User Guide for the SIP-T23/T23P/T23G IP Phone To reply a text message: Press Menu->Message->Text Message->Inbox. Select the desired message and press the Reply soft key. Compose the new text message. You can press the abc soft key to change the input mode.
  • Page 131 Advanced Phone Features You can leave voice mails for someone else using the SIP-T23(P/G) IP phone. You can also listen to voice mails that are stored in a voice mailbox. When receiving a new voice mail, the phone will play a warning tone and the MESSAGE key LED will illuminate. The LCD screen will prompt that the phone receives a new message and display a flashing icon.
  • Page 132 User Guide for the SIP-T23/T23P/T23G IP Phone To listen to voice mails: When the LCD screen prompts that the phone receives a new voice mail, press or the Connect soft key to dial out the voice mail access code. Follow the voice prompt to listen to your voice mails. Note Before listening to the voice mails, make sure the voice mail access code has been configured.
  • Page 133 Advanced Phone Features The MWI Subscription parameters you need to know: Option Description Subscribe for MWI Enable or disable a subscription for MWI service. Period of MWI subscription. The IP phone sends a MWI Subscription Period refresh SUBSCRIBE request before initial SUBSCRIBE expiration.
  • Page 134 User Guide for the SIP-T23/T23P/T23G IP Phone 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 135 If the phone is plugged into a power strip, try plugging it directly into a wall outlet  instead. If your SIP-T23P/T23G IP phone is powered from PoE, ensure that you use a  PoE-compliant switch or hub. Why does the phone display “Network Unavailable”? Ensure that the Ethernet cable is plugged into the Internet port o the phone and the ...
  • Page 136 User Guide for the SIP-T23/T23P/T23G IP Phone How to obtain the MAC address of a phone when the phone is not powered on? Three ways you can obtain the MAC address of a phone: You can ask your supplier for the shipping information sheet which includes MAC ...
  • Page 137 Troubleshooting Activation/Deactivation on page 47. Check that the headset volume is adjusted to an appropriate level. Refer to Volume  on page 26. What is the difference between user name, register name and display name? Both user name and register name are defined by the server. A user name is used to identify the account while a register name matched with a password is used for authentication if the server requires.
  • Page 138 User Guide for the SIP-T23/T23P/T23G IP Phone How to change the user password? To change the user password via web user interface: Click on Security->Password. Select user from the pull-down list of User Type. Enter the new user password in the New Password field and Confirm Password field. Click Confirm to accept the change.
  • Page 139 Troubleshooting Select the desired value from the pull-down list of RTP Encryption (SRTP). Click Confirm to accept the change. Note SRTP is not available on all servers. Contact your system administrator for more information. SRTP is configurable via web user interface only. How to reboot the phone? To reboot the phone via web user interface: Click on Settings->Upgrade.
  • Page 140 User Guide for the SIP-T23/T23P/T23G IP Phone How to export PCAP trace? We may need you to provide a PCAP trace to help analyze your problem. To export a PCAP trace via web user interface: Click on Settings->Configuration. Click Start to begin recording signal traffic. Recreate the error to be documented in the trace.
  • Page 141 Troubleshooting Click Export to open file download window, and then save the file to your local system. You can also export the system log to a syslog server. Contact your system administrator for more information. Note It is recommended you reset the system log level to 3 after you have the syslog file provided.
  • Page 142 User Guide for the SIP-T23/T23P/T23G IP Phone To export the phone configurations via web user interface: Click on Settings->Configuration. In the Export or Import Configuration field, 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.
  • Page 143 Troubleshooting Click Browse to locate the required firmware from your local system. Click Upgrade to upgrade the firmware. The web user interface prompts “Firmware of the SIP Phone will be updated. It will take 5 minutes to complete. Please don't power off!”. Click OK to confirm upgrading.
  • Page 144 User Guide for the SIP-T23/T23P/T23G IP Phone The LCD screen prompts “Resetting to factory, please wait…”. The LCD screen prompts “Welcome Initializing… please wait”. The phone will be reset to factory settings sucessfully after startup. Note Reset of your phone may take a few minutes. Do not power off until the phone has started up successfully.

  • Page 145: 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 circumstances liable to consequences or legal issues caused by such changes.
  • Page 146 User Guide for the SIP-T23/T23P/T23G IP Phone Please do not place heavy objects on the device in case of damage and  deformation caused by the heavy load. Keep at least 10 cm between the device and the closest object for heat ...

  • Page 147: 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 −09:30 French Polynesia −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...
  • Page 148 User Guide for the SIP-T23/T23P/T23G IP Phone Time Zone Time Zone Name +01:00 Denmark(Kopenhagen) +01:00 France(Paris) +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 149 Appendix A-Time Zones Time Zone Time Zone Name +11:00 New Caledonia(Noumea) +11:30 Norfolk Island +12:00 New Zealand(Wellington, Auckland) +12:45 New Zealand(Chatham Islands) +13:00 Tonga(Nukualofa) +13:30 Chatham Islands +14:00 Kiribati...
  • Page 150 User Guide for the SIP-T23/T23P/T23G IP Phone...

  • Page 151: Index

    Index About This Guide Dial Plan Account Management Directory Account Registration Do Not Disturb (DND) Adding Contacts Documentations Adding Groups DSS Keys Administrator password Dual Headset Anonymous Call Anonymous Call Rejection Answering Calls Editing Contacts Area Code Editing Groups Attaching Stand Emergency Number Audio Settings Ending Calls...
  • Page 152 User Guide for the SIP-T23/T23P/T23G IP Phone Logo Customization Voice Mail Volume Messages Message Waiting Indicator Warranty Multicast Paging Web User Interface Music on Hold WEEE Warning Network Conference Network Connection No answer Forward Outgoing Intercom Calls Overview Packaging Contents Phone Initialization Phone Installation Phone Status...

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