Copyright © 2013 YEALINK NETWORK TECHNOLOGY CO., LTD 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. Under the law, reproducing includes translating into another language or format.
Note: This device is tested and complies with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
Yealink SIP-T21P/SIP-T21 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.
About This Guide Thank you for choosing the SIP-T21P/SIP-T21 IP phone, exquisitely designed to provide business telephony features, such as Call Hold, Call Transfer, Busy Lamp Field, Multicast Paging and Conference over an IP network. The difference between the SIP-T21P and SIP-T21 IP phone is that the former supports PoE, while the latter does not. This guide provides everything you need to quickly use your new phone.
User Guide for the SIP-T21P/SIP-T21 IP Phone Anonymous Call on page 93 Documentations of the SIP-T21 IP phone have also been added.
Table of Contents About This Guide ...................................................................... v In This Guide ......................................................................................................................... v Summary of Changes .......................................................................................................... v Changes for Release 72, Guide Version 72.1 ................................................................
User Guide for the SIP-T21P/SIP-T21 IP Phone Volume ............................................................................................................................. 24 Ring Tones ........................................................................................................................ 25 Contact Management ....................................................................................................... 27 Directory............................................................
Table of Contents Busy Lamp Field (BLF) ....................................................................................................... 95 Call Recording .................................................................................................................... 97 Hot Desking ........................................................................................................................ 99 Intercom ....................................................................................
User Guide for the SIP-T21P/SIP-T21 IP Phone x
Overview This chapter provides the overview of the SIP-T21P/SIP-T21 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. The main hardware components of the SIP-T21P/SIP-T21 IP phone are the LCD screen and the keypad.
User Guide for the SIP-T21P/SIP-T21 IP Phone Hardware component instructions of the SIP-T21P/SIP-T21 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 • Icons (for example, ) • Missed call text or second incoming caller information • Prompt text (for example, "Saving config file!") • Time and date ② Power Indicator LED ③ Line Keys ④ MESSAGE Key Indicates and accesses
Overview Icons appearing on the LCD screen are described in the following table: Icon Description Network is unavailable Registered 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 letters input mode Voice Mail Text Message Auto Answer Do Not Disturb Call Forwarded/Forwarded Calls Call Hold Call
User Guide for the SIP-T21P/SIP-T21 IP Phone Icon Description Keypad Lock 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 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 text message or voice mail.
Overview Line key LED (configured as a BLF key) LED Status Description Solid green The monitored user is idle. Fast flashing green (200ms) The monitored user receives an incoming call. The monitored user is dialing. Slow flashing green (500ms) The monitored user is talking. The monitored user’s conversation is placed on hold. Slow flashing green (1s) Off Note The call is parked against the monitored user’s phone number. The monitored user does not exist.
User Guide for the SIP-T21P/SIP-T21 IP Phone address (e.g., http://192.168.0.10 or 192.168.0.10) in the address bar of web browser on your PC. The default administrator user name and password are both “admin” (case-sensitive).
Overview Options Phone User Interface --DND √ --Call Forward √ --Call Transfer √ --Call Waiting √ Web User Interface --Conference --Call Park √ --Call Pickup √ --Anonymous Call √ --Anonymous Call Rejection √ Advanced Phone Features --BLF √ --Call Recording √ --Hot Desking √ --Intercom √ √ --Multicast Paging --Music on Hold --ACD √ --Messages √ SIP Account --User Options --Register Status √ --Activation √ --Label √ --Display Name √ --Register Name √ --User Name √
User Guide for the SIP-T21P/SIP-T21 IP Phone The following table shows documentations available for the SIP-T21P/SIP-T21 IP phone.
Getting Started This chapter provides basic installation instructions and information for obtaining the best performance with the SIP-T21P/SIP-T21 IP phone. Topics include: Packaging Contents Phone Installation Phone Initialization Phone Status Basic Network Settings Registration Idle Screen If you require additional information or assistance with your new phone, contact your system administrator.
User Guide for the SIP-T21P/SIP-T21 IP Phone Power Adapter Handset & Handset Cord Ethernet Cable Quick Installation Guide & Quick Reference Guide CD-ROM Check the list before installation. If you find anything missing, contact your system administrator.
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 2) Connect the handset and optional headset Note A headset is not included in the packaging contents. Contact your system administrator for more information.
User Guide for the SIP-T21P/SIP-T21 IP Phone AC Power To connect the AC power: 1. Connect the DC plug on the power adapter to the DC5V port on the phone and connect the other end of the power adapter into an electrical power outlet. 2. Connect the included or a standard Ethernet cable between the Internet port on the phone and the one on the wall or switch/hub device port.
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 IPv4 and IPv6 network settings (e.g.
User Guide for the SIP-T21P/SIP-T21 IP Phone 3. Enter the user name (admin) and password (admin) in the login page. 4. 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. The IP phone can support either or both IPv4 and IPv6 addresses. To configure the IP address mode via phone user interface: 1.
Getting Started 2. Press or to select IPv4, IPv6 or IPv4 & IPv6 from the IP Mode field. 3. 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: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Network->WAN Port. 2. Press to select IPv4 and press the Enter soft key. 3. Press to select Static IP Client and press the Enter soft key. 4.
User Guide for the SIP-T21P/SIP-T21 IP Phone will perform a PPP negotiation to obtain the IP address. Contact your system administrator for the PPPoE user name and password. To configure PPPoE via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Network->WAN Port. Note 2. Press to select IPv4 and press the Enter soft key. 3. Press to select PPPoE IP Client and press the Enter soft key. 4. Enter the user name and password in the corresponding fields. 5.
Customizing Your Phone You can customize your SIP-T21P/SIP-T21 IP phone by personally configuring certain settings, for example, contrast, language and time & date. 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. This chapter provides basic operating instructions for customizing your phone.
User Guide for the SIP-T21P/SIP-T21 IP Phone The default language of the phone user interface is English. The phone will detect and use the same language as which of your web browser for the web user interface. If the language of your web browser is not supported by the phone, the web user interface will use English. You can change the language for the phone user interface and the web user interface respectively. Note Not all of the supported languages are available for selection.
Customizing Your Phone 3. Click Confirm to accept the change. Text displayed on the web user interface will change to the selected language. The time and date are displayed on the LCD screen when the phone is idle. If the phone cannot obtain the time and date from the Simple Network Time Protocol (SNTP) server, you need to configure the time and date manually. For more information on the SNTP server, contact your system administrator. To configure the SNTP settings via phone user interface: 1.
User Guide for the SIP-T21P/SIP-T21 IP Phone 4. Press the Save soft key to accept the change. The date and time displayed on the LCD screen will change accordingly. To configure the time and date format via phone user interface: 1. Press Menu->Settings->Basic Settings->Time & Date->Time & Date Format. 2. Press or , or the Switch soft key to select the desired time format from the Clock field. 3. Press or , or the Switch soft key to select the desired date format from the Date Format field. 4.
Customizing Your Phone To change the administrator password via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Set Password. 2. Enter the current password in the Current PWD field. 3. Enter the new password in the New PWD field. 4. Enter the new password again in the Confirm PWD field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Administrator password is configurable via web user interface at the path Security->Password.
User Guide for the SIP-T21P/SIP-T21 IP Phone 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. All Keys: All keys are locked except the Volume key.
Customizing Your Phone Note 2. Enter the desired interval in the Phone Lock Time Out (0~3600s) field. 3. Click Confirm to accept the change. The default interval is 0 second, that is, you need to long press to lock the keypad. The interval of automatic keypad lock is configurable via web user interface only. 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: Note 1.
User Guide for the SIP-T21P/SIP-T21 IP Phone To unlock the keypad via phone user interface: 1. Press any locked key, the LCD screen prompts “Please Enter PIN”. 2. Enter the PIN in the PIN field. 3. Press the Cfm soft key to unlock the keypad. The icon disappears from the LCD screen. You can long press or wait for a period of time (if configured) to lock the keypad again. Note You can also unlock the keypad by administrator password.
Customizing Your Phone To adjust the volume when the phone is idle: 1. Note Press to adjust the ringer volume. If the ringer volume is adjusted to minimum, the icon will appear on the LCD screen. To adjust the volume when the phone is during a call: 1. Press to adjust the volume of currently engaged audio device (handset, speakerphone or headset). Ring tones are used to indicate incoming calls.
User Guide for the SIP-T21P/SIP-T21 IP Phone To select a ring tone for the account via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Basic. 4. 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. Refer to the above instruction. 5. Note Click Confirm to accept the change.
Customizing Your Phone 3. Note Click Upload to upload the file. 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 Contacts). If no ring tone is assigned to the contact, the phone will play the ring tone assigned to the associated group (refer to Adding Groups).
User Guide for the SIP-T21P/SIP-T21 IP Phone 5. To adjust the display order of enabled lists, select the desired list and then click or . The LCD screen displays the list(s) in the adjusted order. 6. Note Click Confirm to accept the change. Directory is configurable via web user interface only. To check the directory via phone user interface: 1. Press the Dir soft key when the phone is idle. The LCD screen displays the list(s) in the directory.
Customizing Your Phone To add a group to the local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default. If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2. Press the AddGrp soft key. 3. Enter the desired group name in the Name field. 4. Press or to select the desired group ring tone from the Ring Tones field.
User Guide for the SIP-T21P/SIP-T21 IP Phone 3. Press the Option soft key, and then select Detail from the prompt list. 4. Press 5. Press the Save soft key to accept change or the Back soft key to cancel. or to scroll through the group information and then edit. To delete a group from the local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default.
Customizing Your Phone You can add contacts to the local directory in the following ways: Manually From call history From remote phone book Adding Contacts Manually To add a contact to the local directory manually: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default. If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2.
User Guide for the SIP-T21P/SIP-T21 IP Phone 7. Note Press the Add soft key to accept the change or the Back soft key to cancel. If the contact has existed in the directory, the LCD screen will prompt “Contact name existed!”. Adding Contacts from Call History To add a contact to the local directory from the call history: 1. Press the History soft key. 2. Press 3. Press the Option soft key, and then select Add to Contacts from the prompt list. 4. Enter the contact name. 5.
Customizing Your Phone To edit a contact in the local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default. If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2. Select the desired group and then press the Enter soft key. 3. Press 4. Press the Option soft key, and then select Detail from the prompt list. 5. Press 6.
User Guide for the SIP-T21P/SIP-T21 IP Phone 2. Select the desired group and then press the Enter soft key. 3. Press 4. Press the Option soft key, and then select Delete from the prompt list. or to select the desired contact. The LCD screen prompts “Delete selected item?”. 5. Press the OK soft key to confirm the deletion or the Cancel soft key to cancel. To place a call to a contact from the local directory: 1. Press the Dir soft key.
Customizing Your Phone To search for a contact in the local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default. If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2. Press or to scroll to the All Contacts field. 3. Press the Search soft key. 4. Enter a few continuous characters of the contact name or number using the keypad.
User Guide for the SIP-T21P/SIP-T21 IP Phone The LCD screen displays the search results in the adjusted order. 6. Note Click Confirm to accept the change. Search source list in dialing is configurable via web user interface only. To search for a contact in the enabled search source lists: 1. Pick up the handset, press the speakerphone or press the line key. 2. Enter a few continuous characters of the contact name or number using the keypad.
Customizing Your Phone You can manage your phone’s local directory via phone user interface 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: 1. Click on Directory->Local Directory. 2. Click Browse to locate a contact list file (file format must be *.xml) from your local system. 3. Click Import XML to import the contact list.
User Guide for the SIP-T21P/SIP-T21 IP Phone 6. (Optional.) Select the contact information you want to import into the local directory from the pull down list of Index. 7. Click Import to complete importing the contact list. To export contact list via web user interface: 1. Click on Directory->Local Directory. 2. Click Export XML (or Export CSV). 3. Click Save to save the contact list to your local system. Note Importing/exporting contact lists are configurable via web user interface only.
Customizing Your Phone 3. Enter the name and the office, mobile or other numbers in the corresponding fields. 4. Press or , 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 blacklist. 5. Press the Add soft key to accept the change or the Back soft key to cancel. To add a contact to the blacklist from local directory: 1. Press the Dir soft key.
User Guide for the SIP-T21P/SIP-T21 IP Phone You can access your corporate directory through your phone. You can add local contacts, search for a contact, or simply dial a contact number from the corporate directory. You can configure your new phone to access up to 5 corporate directories. The phone supports up to 2000 corporate directory entries. For the access URL of the corporate directory, contact your system administrator. To configure an access URL for remote phone book via web user interface: 1.
Customizing Your Phone The phone connects to load the corporate directory, and then the corporate contact list appears on the LCD screen. 3. Press the Back soft key to back to the previous interface. To search for a contact in the corporate directory: 1. Press Menu->Dir->Remote Phone Book. If Remote Phone Book is added to the directory, press Dir->Remote Phone Book to enter remote phone book. 2. Select the desired remote group, and then press the Enter soft key to load the corporate directory. 3.
User Guide for the SIP-T21P/SIP-T21 IP Phone 3. Enter the refresh period of corporate directory in the Search Flash Time (Seconds) field. The default value is 21600 seconds. 4. Click Confirm to accept the change. The SIP-T21P/SIP-T21 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.
Customizing Your Phone 4. Press the Option soft key, and then select Detail from the prompt list. The detailed information of the entry appears on the LCD screen. To place a call from the call history list: 1. Press the History soft key. 2. Press or to switch between All Calls, Placed Calls, Received Calls, Missed Calls and Forwarded Calls. 3. Press or to scroll to the desired entry. 4. Press the Send soft key.
User Guide for the SIP-T21P/SIP-T21 IP Phone The LCD screen prompts "Delete all records?". 5. Press the OK soft key to confirm the deletion or the Cancel soft key to cancel. You can upload your custom logo which will be shown on the idle screen. To upload a custom logo via web user interface: 44 1. Click on Features->General Information. 2. Select Custom Logo from the pull-down list of Use Logo. 3. Click Browse to locate the logo file from your local system. 4. Click Upload to upload the file.
Customizing Your Phone 5. Note Click Confirm to accept the change. The logo file format must be *.dob, contact your system administrator for more information. Logo customization 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. To activate the headset mode: 1. Press on the phone.
User Guide for the SIP-T21P/SIP-T21 IP Phone 2. Select Enabled from the pull-down list of Headset Prior. 3. Click Confirm to accept the change. To use headset prior feature, you should activate the headset mode in advance: Note 1. Physically connect the headset. 2. Press to activate the headset mode. If headset prior is enabled, the headset mode will not be deactivated until you press the HEADSET key again. Headset prior is configurable via web user interface only.
Customizing Your Phone To configure the line key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired line key, and then press the Enter soft key. 3. Select the desired key type from the Type field. 4. (Optional.) Select the desired key event from the Key Type field. 5. (Optional.) Select the desired line from the Account ID field. 6. (Optional.) Enter the corresponding value in the Value field. 7. (Optional.) Enter the corresponding value in the Extension field.
User Guide for the SIP-T21P/SIP-T21 IP Phone For more information, contact your system administrator. Speed Dial You can use this key feature to speed up dialing numbers often used or hard to remember. Dependencies: Type (Speed Dial) 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.
Customizing Your Phone DTMF You can use this key feature to send the specification of arbitrary key sequences via DTMF. Dependencies: Type (Key Event) Key Type (DTMF) Value (DTMF sequence) Usage: Press the DSS key during an active call to send the key sequence specified in the Value field. Note DTMF sequence only contains "0-9", "*", "#" and "A-D". Prefix You can use this key feature to add a specified prefix number before the dialed number.
User Guide for the SIP-T21P/SIP-T21 IP Phone XML Browser You can use this key feature to access the XML browser quickly. 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. Dependencies: Type (XML Browser) Value (the access URL for xml browser) Usage: Press the DSS key to access the XML browser specified in the Value field.
Customizing Your Phone Usage: Press the DSS key to forward an incoming call to the number specified in the Value field. Note When you leave the Value field blank, the DSS key performs the same function as the Fwd soft key when receiving an incoming call. Transfer You can use this key feature to handle the call differently depending on the transfer mode on DSS key when there is an active call on the phone.
User Guide for the SIP-T21P/SIP-T21 IP Phone Dependencies: Type (Key Event) Key Type (DND) Usage: When DND is in phone mode: 1. Press the DSS key to activate DND. 2. Press the DSS key again to deactivate DND. When DND is in custom mode: Note 1. Press the DSS key to access the custom DND interface. 2. Activate or deactivate DND for one or all accounts. When DND is activated, the incoming calls will be rejected automatically.
Customizing Your Phone 3. Configure the network parameters in the corresponding fields. 4. Press the Next soft key. 5. Configure the auto provision parameters in the corresponding fields. 6. Press the OK soft key. The phone will reboot to update configurations. Keypad Lock You can use this key feature to immediately lock the keypad of your phone instead of long pressing . For more information, refer to Keypad Lock on page 21.
User Guide for the SIP-T21P/SIP-T21 IP Phone 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-T21P/SIP-T21 IP phone. You can also configure each line key to associate with an account or configure multiple line keys to associate with an account. To register an account via phone user interface: 1.
Customizing Your Phone Incoming calls to this account will be distributed evenly among the available line keys. Outgoing calls will be distributed similarly. Dial plan is a string of characters that governs the way your SIP-T21P/SIP-T21 IP phone processes the inputs received from your phone keypad. The SIP-T21P/SIP-T21 IP phone supports the following dial plan features: Replace Rule Dial-now Area Code Block Out The basic expression syntax you need to know: The dot ”.
User Guide for the SIP-T21P/SIP-T21 IP Phone To add a replace rule via web user interface: 1. Click on Settings->Dial Plan->Replace Rule. 2. Enter the string (e.g., 1) in the Prefix field. 3. Enter the string (e.g., 1234) in the Replace field. 4. Enter the desired line ID in the Account field or leave it blank. 5. Click Add to add the replace rule. When you enter the number “1” using the keypad and then press the Send soft key, the phone will dial out “1234” instead.
Customizing Your Phone 3. Note Click Del to delete the replace rule(s). Replace rule is configurable via web user interface only. 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 “2xx”, then any entered three-digit string beginning with 2 will be dialed out automatically on the phone. To add a dial-now rule via web user interface: 1.
User Guide for the SIP-T21P/SIP-T21 IP Phone phone to dial out the phone number automatically, which matches a dial-now rule, after the specified delay time. To configure the delay time for dial-now rule via web user interface: 1. Click on Features->General Information. 2. Enter the time within 1-14 (in seconds) in the Time-Out for Dial-Now Rule field. 3. Click Confirm to accept the change. Note Delay time for dial-now rule is configurable via web user interface only.
Customizing Your Phone For more information on the valid values of Account field, refer to Replace Rule on page 55. 4. Note Click Confirm to accept the change. Area code is configurable via web user interface only. You can block some specific numbers from being dialed on your phone. When you dial a block out number on your phone, the dialing will fail and the LCD screen will prompt “Forbidden Number”. You can add 10 block out rules at most on your phone.
User Guide for the SIP-T21P/SIP-T21 IP Phone For more information on the valid values of Account field, refer to Replace Rule on page 55. 4. Note Click Confirm to add the block out number. 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.
Customizing Your Phone For multiple numbers, enter a comma between every two emergency numbers. The default emergency numbers are 110, 911 and 120. 3. Note Click Confirm to accept the change. Emergency number is configurable via web user interface only. You can enable live dialpad on the SIP-T21P/SIP-T21 IP phone, which enables the IP phone to automatically dial out the phone number without pressing the send key.
User Guide for the SIP-T21P/SIP-T21 IP Phone 3. Enter the desired delay time in the Inter Digit Time (1~14s) field. The default delay time is 4s. 4. Note Click Confirm to accept the change. 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. You can also configure a delay, where the phone will dial out the hotline number automatically after the specified period of time.
Basic Call Features The SIP-T21P/SIP-T21 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. This chapter provides basic operating instructions for the SIP-T21P/SIP-T21 IP phone.
User Guide for the SIP-T21P/SIP-T21 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. For more information, refer to Contact Management on page 27 and Call History Management on page 42.
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. With the optional headset connected, press to activate the headset mode. Enter the desired number using the keypad. Press Note , , or the Send soft key. To permanently enable your headset, refer to Headset Prior on page 45.
User Guide for the SIP-T21P/SIP-T21 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: 1. 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 key.
Basic Call Features If you are using the speakerphone, press Note or the Cancel soft key. To end a call placed on hold, you can press the Cancel 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: 1. Press twice. A call to your last dialed number is attempted. To redial a previously dialed number from your phone: 1. Press 2. Press when the phone is idle.
User Guide for the SIP-T21P/SIP-T21 IP Phone 3. Note Click Confirm to accept the change. 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: 1. Pick up the handset, press the speakerphone or press the line key. The LCD screen displays the placed calls list. You can press or to select the desired entry and then place a call to the contact. You can use auto answer to automatically answer an incoming call on a line.
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 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. To configure auto redial via phone user interface: 1. Press Menu->Features->Auto Redial. 2. Press 3.
User Guide for the SIP-T21P/SIP-T21 IP Phone 1. Press the OK soft key to activate auto redial. The following prompt will appear on the LCD screen of the phone: 2. Wait for a period of time or press the OK soft key to redial the phone number. The phone will retry as many times as configured until the called party is idle. 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.
Basic Call Features 1. 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: 2. Note Press the OK soft key to redial the number. Call completion is not available on all servers. For more information, contact your system administrator. You can press a call return key to place a call back to the last incoming call.
User Guide for the SIP-T21P/SIP-T21 IP Phone The LCD screen indicates that the call is on mute. To un-mute a call: 1. 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. When you place a call on hold, your IP PBX may play music on hold to the other party while waiting. To place a call on hold: 1. Press the Hold soft key during a call.
Basic Call Features for example “2/3”, indicating that this is the second call out of three calls. You can use DND to reject incoming calls automatically on the phone. Callers will receive a busy message. You can enable/disable DND for the phone system, or you can customize DND for each or all accounts. Two DND modes: Phone (default): DND is effective for the phone system. Custom: DND can be configured for each or all accounts.
User Guide for the SIP-T21P/SIP-T21 IP Phone The icon on the idle screen indicates that DND is enabled. Incoming calls will be rejected automatically and "n New Missed Call(s)" ("n" indicates the number of the missed calls) will appear on the LCD screen. To activate DND in custom mode for a specific account: 1. Press the DND soft key when the phone is idle. The LCD screen displays a list of accounts on the phone. 2. Press or to select the desired account. 3.
Basic Call Features The LCD screen displays a list of the accounts on the phone. 2. Press the All On soft key to activate DND for all accounts. 3. Press the Save soft key to accept the change. The icon appears on the idle screen and all line icons change to . Incoming calls will be rejected automatically and "n New Missed Call(s)" ("n" indicates the number of the missed calls) will appear on the LCD screen. Note The prompt message displays only if Missed Call Log for the line is enabled.
User Guide for the SIP-T21P/SIP-T21 IP Phone 3. Enter the numbers in the DND Authorized Numbers field. For multiple numbers, enter a comma between every two numbers. 4. Click Confirm to accept the change. When DND is enabled on the phone, the phone can still receive incoming calls from the numbers specified in the DND Authorized Numbers field. Note DND authorized number is configurable via web user interface only.
Basic Call Features forward for each or all accounts. Two call forward modes: Phone (default): Call forward is effective for the phone system. Custom: Call forward can be configured for each or all accounts. To configure the call forward mode via web user interface: Note 1. Click on Features->Forward & DND. 2. In the Forward block, mark the desired radio box in the Mode field. 3. Click Confirm to accept the change. Call forward mode is configurable via web user interface only.
User Guide for the SIP-T21P/SIP-T21 IP Phone 3. Depending on your selection: a.) If you select Always Forward: 1) Press or , or the Switch soft key 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. 3) (Optional.) Enter the always forward on code or off code respectively in the On Code or Off Code field. b.
Basic Call Features before forwarding from the After Ring Time field. The default ring time is 12 seconds. 4) (Optional.) Enter the no answer forward on code or off code respectively in the On Code or Off Code field. 4. Press the Save soft key to accept the change or the Back soft key to cancel. The icon on the idle screen indicates call forward is enabled. To enable call forward in custom mode: 1. Press Menu->Features->Call Forward. 2.
User Guide for the SIP-T21P/SIP-T21 IP Phone b.) If you select Busy Forward, you can enable it for a specific account. 1) Press or , or the Switch soft key to select Enable from the Busy field. 2) Enter the destination number you want to forward all incoming calls to when the phone is busy in the Forward to field. 3) (Optional.) Enter the busy forward on code or off code respectively in the On Code or Off Code field. You can also enable busy forward for all accounts.
Basic Call Features 4) (Optional.) Enter the no answer forward on code or off code respectively in the On Code or Off Code field. You can also enable no answer forward for all accounts. After no answer forward was enabled for a specific account, do the following: 1) Press or to scroll to the No Answer field. 2) Press the All Lines soft key. The LCD screen prompts “Copy to All Lines?”. 3) 5. Press the OK soft key to accept the change or the Cancel soft key to cancel.
User Guide for the SIP-T21P/SIP-T21 IP Phone Press the Save soft key to accept the change. To disable call forward in custom mode for a specific account: 1. Press Menu->Features->Call Forward or press when the phone is idle. 2. Press or to select the desired account, then press the Enter soft key. 3. Press or to select the desired forwarding type, then press the Enter soft key. 4. Press , or the Switch soft key to select Disable to disable the call forward. 5.
Basic Call Features 3. Press or the Tran soft key to complete call transfer. Then the call is connected to the number to which you are transferring. To perform a semi-attended transfer: 1. Press or the Tran soft key during a call. 2. Do one of the following: - Enter the number you want to transfer the call to. - Press the Dir soft key, and then select Local Directory. Select the desired group, and search for the contact (Directory should be configured in advance.
User Guide for the SIP-T21P/SIP-T21 IP Phone If you are using a handset, call transfer can be completed by hanging up the handset. You can cancel call transfer before the call is connected by pressing the Cancel soft key. You can enable or disable call waiting on the phone. If call waiting is enabled, you can receive another call when there is an active call on the phone. Otherwise, another incoming call is automatically rejected by the phone with a busy message when there is an active call on the phone.
Basic Call Features The SIP-T21P/SIP-T21 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: 1. Place a call to the first party. 2. When the first party answers the call, press the Conf soft key to place a new call. The active call is placed on hold. 3. Enter the number of the second party and press , , or the Send soft key. 4.
User Guide for the SIP-T21P/SIP-T21 IP Phone advance. To configure network conference via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced. 4. Select Network Conference from the pull-down list of Conference Type. 5. Enter the conference URI (e.g., conference@example.com) in the Conference URI field. 6. Click Confirm to accept the change. To set up a network conference call: 1. Place a call to the first party. 2.
Basic Call Features to the conference. 8. 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).
User Guide for the SIP-T21P/SIP-T21 IP Phone 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 feature will receive call back. You can use call pickup to answer someone else’s incoming call on the phone.
Basic Call Features 2. Select Enabled from the pull-down list of Directed Call Pickup. 3. Click Confirm to accept the change. To configure the directed call pickup code on a global basis via web user interface: 1. Click on Features->Call Pickup. 2. Enter the directed call pickup code in the Directed Call Pickup Code field. 3. Click Confirm to accept the change. To configure the directed call pickup code on a per-line basis via web user interface: 1. Click on Account. 2.
User Guide for the SIP-T21P/SIP-T21 IP Phone 4. Enter the directed call pickup code in the Directed Call Pickup Code field. 5. Click Confirm to accept the change. To pick up a call directly: 1. Pick up the handset. The DPickup soft key appears on the LCD screen. 2. Press the DPickup soft key on your phone when a phone receives an incoming call. 3. Enter the phone number which receives an incoming call. 4. Press the DPickup soft key again. The call is answered on your phone.
Basic Call Features Group Call Pickup To enable the group call pickup via web user interface: 1. Click on Features->Call Pickup. 2. Select Enabled from the pull-down list of Group Call Pickup. 3. Click Confirm to accept the change. To configure the group call pickup code on a global basis via web user interface: 1. Click on Features->Call Pickup. 2. Enter the group call pickup code in the Group Call Pickup Code field. 3. Click Confirm to accept the change.
User Guide for the SIP-T21P/SIP-T21 IP Phone To configure the group call pickup code on a per-line basis via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced. 4. Enter the group call pickup code in the Group Call Pickup Code field. 5. Click Confirm to accept the change. To pick up a call in the group: 1. Pick up the handset. The GPickup soft key appears on the LCD screen. 2.
Basic Call Features You can also configure a DSS key as a group pickup key via phone user interface or web user interface. 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. Contact your system administrator for more information. The call pickup code configured on a per-line basis takes precedence over that configured on a global basis.
User Guide for the SIP-T21P/SIP-T21 IP Phone To place an anonymous call: 1. 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 showing up. Anonymous call rejection is configurable on a per-line basis.
Advanced Phone Features This chapter provides operating instructions for the advanced features of the SIP-T21P/SIP-T21 IP phone. Topics include: Busy Lamp Field (BLF) Call Recording Hot Desking Intercom Multicast Paging Music on Hold Automatic Call Distribution (ACD) Messages If you require additional information or assistance with your new phone, contact your system administrator. You can use BLF to monitor a specific line for status changes on the phone.
User Guide for the SIP-T21P/SIP-T21 IP Phone 4. Press or , or the Switch soft key to select the desired line from the Account ID field. 5. Enter the phone number or extension you want to monitor in the Value field. 6. (Optional.) Enter the pickup code in the Extension field. 7. Press the Save soft key to accept the change or the Back soft key to cancel. BLF key is configurable via web user interface at the path DSSKey->Line Key. You can enable audio alert for BLF pickup feature on the phone.
Advanced Phone Features In the following figure, the LCD screen shows an incoming call from 2020 on the monitored line. Note If your phone is locked and the type of the keypad lock is configured as Function key or All Keys, you cannot use the Pickup, Send, NewCall and Cancel soft keys until unlocked. When there is an active call on the IP phone, you can transfer the active call to the monitored phone number directly by pressing the BLF key.
User Guide for the SIP-T21P/SIP-T21 IP Phone 4. Press or , or the Switch soft key to select Record from the Key Type field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. To configure a URL record key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired DSS key. 3. Press 4. Enter the URL (e.g., http://10.1.2.224/phonerecording.cgi) in the Value field. 5. Press the Save soft key to accept the change or the Back soft key to cancel.
Advanced Phone Features 2. Press the record or URL record key again to stop recording. The recording icon disappears from the LCD screen and the record or URL record key LED goes out.
User Guide for the SIP-T21P/SIP-T21 IP Phone 4. Press or , or the Switch soft key to select Hot Desking from the Key Type field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Hot desking key is configurable via web user interface at the path DSSKey->Line Key. To use hot desking: 1. Press the hot desking key when the phone is idle. The LCD screen prompts “Clear all account config?”. 2. Press the OK soft key, registration configurations (e.g.
Advanced Phone Features Intercom is a useful feature in an office environment to quickly connect with the operator or the secretary. You can press the intercom key to automatically connect with a remote extension for outgoing intercom calls, and the remote extension will automatically answer the incoming intercom calls. Note Intercom is not available on all servers. Contact your system administrator for more information. To configure an intercom key via phone user interface: 1.
User Guide for the SIP-T21P/SIP-T21 IP Phone phone to automatically answer an incoming intercom call while there is already an active call on the phone, the active call is placed on hold. Intercom features you need to know: Intercom Feature Accept Intercom Intercom Mute Intercom Tone Description Enable or disable the IP phone to automatically answer an incoming intercom call. Enable or disable the microphone on the IP phone for intercom calls.
Advanced Phone Features Mute is disabled, the microphone works for intercom calls. Intercom Mute is disabled by default. 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. Intercom Tone is enabled by default.
User Guide for the SIP-T21P/SIP-T21 IP Phone The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255. 6. Press the Save soft key to accept the change or the Back soft key to cancel. 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 interface. To configure a default codec for multicast paging via web user interface: 1.
Advanced Phone Features involved. The multicast paging key LED illuminates solid green. The following figure shows a multicast RTP session on the phone: 2. Press the Hold soft key to place the current multicast RTP session on hold. 3. Press the Cancel soft key to cancel the multicast RTP session. Note Multicast RTP is one way only from sender to the multicast address(es) (receiver). For outgoing RTP multicasts, all other existing calls on the phone will be placed on hold.
User Guide for the SIP-T21P/SIP-T21 IP Phone To configure multicast listening addresses via web user interface: 1. Click on Directory->MulticastIP. 2. Select the desired value from the pull-down list of Paging Barge. 3. Select the desired value from the pull-down list of Paging Priority Active. 4. 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.
Advanced Phone Features To configure MoH server via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced. 4. Enter the SIP URI (e.g., sip:moh@sip.com) in the Music Server URI field. 5. Click Confirm to accept the change. When you have placed a call on hold, the held party can hear the music. Note All involved parties cannot use encrypted RTP (SRTP). MoH server is configurable via web user interface only.
User Guide for the SIP-T21P/SIP-T21 IP Phone To configure an ACD key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired DSS key. 3. Press 4. Press the Save soft key to accept the change or the Back soft key to cancel. or , or the Switch soft key to select ACD from the Type field. ACD key is configurable via web user interface at the path DSSKey->Line Key. To log into the ACD system: 1. Press the ACD key when the phone is idle.
Advanced Phone Features You can send and receive text messages using the SIP-T21P/SIP-T21 IP phone. New text messages can be indicated both acoustically and visually. When receiving a new text message, the phone will play a warning tone. The LCD screen will prompt receiving new text messages with the number of waiting messages (e.g., 1 New Text Message(s)) and a flashing icon. You can store text messages in your phone’s Inbox, Sentbox, Outbox or Draftbox.
User Guide for the SIP-T21P/SIP-T21 IP Phone 2. Compose the new text message. You can press the abc soft key to change the input mode. 3. Press the Send soft key after completing the content. 4. (Optional.) Press or , or the Switch soft key to select the desired account from the From field. 5. Enter the number you want to send the message to in the To field. 6. Press the Send soft key to send the message or the Back soft key to cancel.
Advanced Phone Features The LCD screen prompts “Delete Message?”. 4. Press the OK soft key to delete this message or the Cancel soft key to cancel. You can also delete all text messages by pressing the Delete soft key and then select Del All. For more information, refer to the above steps. Note You can also delete a specific message after retrieving by pressing the Delete soft key. You can leave voice mails for someone else on the SIP-T21P/SIP-T21 IP phone.
User Guide for the SIP-T21P/SIP-T21 IP Phone To configure voice mail access codes via phone user interface: 1. Press Menu->Messages->Voice Mail->Set Voice Mail. 2. Press or to select the account which you want to set, press the 123 soft key to select the proper input mode and then enter the voice mail access code. 3. Note Press the Save soft key to accept the change or the Back soft key to cancel. Voice mail access code must be predefined on the system server.
Advanced Phone Features will be indicated in three ways: a warning tone, a prompt message (including a voice mail icon) on the LCD screen, and the MESSAGE key LED illuminates solid green. This will be cleared when you retrieve all voice mails or delete them. The MWI service is unsolicited for some servers, so the SIP-T21P/SIP-T21 IP phone only handles the MWI messages sent from the server.
User Guide for the SIP-T21P/SIP-T21 IP Phone 5. Enter the period time in the MWI Subscription Period (Seconds) field. 6. Click Confirm to accept the change. The IP phone will subscribe to the account number for MWI service by default. To enable Subscribe MWI to Voice Mail via web user interface: 114 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced. 4. Select Enabled from the pull-down list of Subscribe MWI To Voice Mail. 5.
Advanced Phone Features 6. 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.
User Guide for the SIP-T21P/SIP-T21 IP Phone 116
Troubleshooting This chapter provides general troubleshooting information to help to solve the problems you might encounter when using your SIP-T21P/SIP-T21 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. Ensure that the phone is plugged into a socket controlled by a switch that is on.
User Guide for the SIP-T21P/SIP-T21 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 shipping information sheet which includes MAC addresses according to the corresponding PO (Purchase Order). You can find the MAC address in the label of carton box. You can find the MAC address from the phone’s bar code on the back of the phone.
Troubleshooting Check that the headset volume is adjusted to an appropriate level. Refer to Volume on page 24. 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. Display name is the caller ID that will be displayed on the callee’s LCD screen.
User Guide for the SIP-T21P/SIP-T21 IP Phone Why can’t I send a SMS to any other phone? SMS depends on support from a SIP server. Contact your system administrator for more information. How to change the user password? To change the user password via web user interface: Note 1. Click on Security->Password. 2. Select user from the pull-down list of User Type. 3. Enter the new user password in the New Password field and Confirm Password field. 4. Click Confirm to accept the change.
Troubleshooting Note 4. Select the desired value from the pull-down list of RTP Encryption (SRTP). 5. Click Confirm to accept the change. 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: 1. Click on Settings->Upgrade.
User Guide for the SIP-T21P/SIP-T21 IP Phone 2. Note Click Reboot to reboot the phone. You can also long press the X key to reboot the phone directly. Any reboot of the 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. To export a PCAP trace via web user interface: 122 1. Click on Settings->Configuration. 2. Click Start to start recording signal traffic. 3. Recreate the error to be documented in the trace. 4.
Troubleshooting 5. Click Export to open file download window, and then save the file to your local system. How to export system log? We may need you to provide debug log information to help analyze problem. By default, you can export the debug system log information to local PC. To export the system log to local PC via web user interface: 1. Click on Settings->Configuration. 2. Select 6 from the pull-down list of System Log Level. The default system log level is 3. 3.
User Guide for the SIP-T21P/SIP-T21 IP Phone 5. Mark the Local radio box in the Export System Log field. 6. 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.
Troubleshooting To import the phone configurations via web user interface: Note 1. Click on Settings->Configuration. 2. Click Browse to locate a configuration file from your local system. 3. Click Import to import the configuration file. The file format of configuration file must be *.bin. How to upgrade firmware? To upgrade firmware via web user interface: 1. Click on Settings->Upgrade. 2. Click Browse to locate the firmware from your local system. 3. Click Upgrade to upgrade the firmware.
User Guide for the SIP-T21P/SIP-T21 IP Phone take 5 minutes to complete. Please don't power off!”. 4. 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. We recommend asking your system administrator for advice before resetting the phone. To reset the phone via phone user interface: 1.
Regulatory Notices Contact your Yealink Authorized Reseller for information about service agreements applicable to your product.
User Guide for the SIP-T21P/SIP-T21 IP Phone Please place no 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 dissipation. Do not place the device on or near any inflammable or fire-vulnerable object, such as rubber-made materials. Keep the device away from any heat source or bare fire, such as a candle or an electric heater.
Appendix A-Time Zones Time Zone −11:00 −10:00 −10:00 −09:00 −08:00 −08:00 −08:00 −07:00 −07:00 −07:00 −07:00 −06:00 −06:00 −06:00 −06:00 −05:00 −05:00 −05:00 −05:00 −04:30 −04:00 −04:00 −04:00 −04:00 −04:00 −04:00 −03:30 −03:00 −03:00 −03:00 −03:00 −02:00 −01:00 0 0 0 0 0 0 0 0 +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 Time Zone Name Samoa United States-Hawaii-Aleutian United States-Alaska-Aleutian United States-Alaska Time Canada(Vancouver, Whitehorse) Mexico(Tijuana, Mexicali
User Guide for the SIP-T21P/SIP-T21 IP Phone Time Zone +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +03:00 +03:00 +03:00 +03:30 +04:00 +04:00 +04:00 +04:00 +04:00 +04:30 +05:00 +05:00 +05:00 +05:00 +05:30 +06:00 +06:00 +07:00 +07:00 +08:00 +08:00 +08:00 +09:00 +09:00 +09:30 +09:30 +10:00 +10:00 +10:00 +10:00 +10:30 +11:00 +12:00 +12:45 +13:00 130 Time Zone Name Hungary(Budapest) Italy(Rome) Luxembourg(Luxembour
Index A About This Guide v Account Management 54 Account Registration 54 Adding Contacts 31 Adding Groups 29 Administrator password 20 Anonymous Call 93 Anonymous Call Rejection 94 Answering Calls 65 Area Code 58 Attaching Stand 11 Audio Settings 24 Auto Answer 68 Auto Redial 69 Automatic Call Distribution (ACD) 14 95 C E Editing Contacts 33 Editing Groups 29 Emergency Number 60 Ending Calls 66 G General Settings 17 Getting Started 9 107 H 45 I Call Completion 70 Call Forward 76 Call History Managem
User Guide for the SIP-T21P/SIP-T21 IP Phone Message Waiting Indicator Multicast Paging 103 Music on Hold 106 112 N Network Conference Network Connection No answer Forward 85 11 76 O Outgoing Intercom Calls Overview 1 101 P Packaging Contents 9 Phone Initialization 13 Phone Installation 11 Phone Status 13 Phone User Interface 5 Placing Calls 63 Placing Calls to Contacts 34 Programmable Keys 53 R Receiving RTP Stream 105 Recent Call In Dialing 67 Redialing Numbers 67 Registration 16 Regulatory Notices
