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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.
. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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.
Yealink SIP-T21P 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 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. This guide provides everything you need to quickly use your new phone. First, verify with your system administrator that the IP network is ready for phone configuration.
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Table of Contents About This Guide ...................................................................... v In This Guide ......................................................................................................................... v Table of Contents ..................................................................... vii Overview .................................................................................. 1 Hardware Component Instructions ..............................................
User Guide for the SIP-T21P IP Phone Local Directory ................................................................................................................ 28 Blacklist ............................................................................................................................ 38 Remote Phone Book ........................................................................................................ 40 Call History Management ......................................................
Table of Contents Outgoing Intercom Calls .............................................................................................. 103 Incoming Intercom Calls .............................................................................................. 103 Multicast Paging ............................................................................................................... 105 Sending RTP Stream ...............................................................................................
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Overview This chapter provides the overview of the SIP-T21P 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 IP phone are the LCD screen and the keypad.
User Guide for the SIP-T21P IP Phone Hardware component instructions of the SIP-T21P IP phone are: Item Description Shows information about calls, messages, soft keys, time, date and other relevant data: caller ID, call duration LCD Screen (for example, ) "Saving config file!") Power Indicator LED Line Keys Indicates phone power status and phone status. Use these keys to activate up to two accounts and assign various features. MESSAGE Key Indicates and accesses voice mails.
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 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 Line key LED LED Status Solid green Description The line is in conversation. The line is seized. Fast flashing green The line receives an incoming call. Slow flashing green The call is placed on hold. Off The line is inactive.
Overview Two ways to customize configurations of your SIP-T21P IP phone: The user interface on the IP phone. The user interface in a web browser on your PC. The hardware components keypad and LCD screen constitute the phone user interface, which allows the user to execute all call operation tasks and basic configuration changes directly on the phone. In addition, you can use the web user interface to access all configuration settings.
User Guide for the SIP-T21P IP Phone Options --Contrast --Language --Time & Date --Administrator Password --Key as Send --Keypad Lock -- Volume --Ring Tones --Contact Management --Directory --Local Directory --Blacklist --Remote Phone Book --Call History Management --Logo Customization --Headset Prior --DSS Keys --Account Registration --Dial Plan --Emergency Number --Live Dialpad --Hotline Basic Call Features --Recent Call In Dialing --Auto Answer --Auto Redial --Call Completion --Call Return --DND --Call
Overview Options Phone User Interface Web User Interface --Intercom --Multicast Paging --Music on Hold --ACD --Messages SIP Account --User Options --Register Status --Activation --Label --Display Name --Register Name --User Name --Password --SIP Server1/2 --Server Option --Server Port --Outbound Status --Outbound Proxy --NAT Traversal --STUN Status --STUN Server Note The table above lists most of the feature options. Please refer to the relevant sections for more information.
User Guide for the SIP-T21P IP Phone The following table shows documentations available for the SIP-T21P IP phone.
Getting Started This chapter provides basic installation instructions and information for obtaining the best performance with the SIP-T21P 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 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: Note 3) 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 A headset is not included in the packaging contents. Contact your system administrator for more information.
User Guide for the SIP-T21P 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. Power over Ethernet With the included or a regular Ethernet cable, the SIP-T21P IP phone can be powered from a PoE-compliant switch or hub.
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 p 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., IP address, subnet mask, default gateway address and DNS address) by default.
User Guide for the SIP-T21P 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 Port. 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->IPv4->Static IP Client. 2. Enter the desired values in the IP Address, Subnet Mask, Default Gateway, Pri.DNS and Sec.DNS fields respectively. 3.
User Guide for the SIP-T21P IP Phone To configure PPPoE via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Network->WAN Port->IPv4->PPPoE IP Client. Note 2. Enter the user name and password in the corresponding fields. 3. Press the Save soft key to accept the change or the Back soft key to cancel. Using the wrong network parameters may result in inaccessibility of your phone and may also have an impact on your network performance.
Customizing Your Phone You can customize your SIP-T21P IP phone by personally configuring certain settings, for example, contrast, language and time & date. 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 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 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 Setting->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 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 can long press to lock the keypad only. 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 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 Confirm 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 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 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 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 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 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 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 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. The web user interface prompts The original contact will be covered, Continue? . 4.
User Guide for the SIP-T21P 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 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 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 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. 3. Press 4. Press the Send soft key. or to scroll to the desired entry. To add a contact to the local directory or blacklist from the call history list: 1.
User Guide for the SIP-T21P 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 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 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: Usage: Press the DSS key to dial out the number specified in the Value field, using the account selected from the Account ID field. Voice Mail You can use this key feature to connect voice mail quickly. For more information, refer to Voice Mail on page 113.
Customizing Your Phone DTMF You can use this key feature to send the specification of arbitrary key sequences via DTMF. Dependencies: 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 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: Usage: Press the DSS key to access the XML browser specified in the Value field. LDAP You can use this key feature to access the LDAP search interface quickly.
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 IP Phone Dependencies: 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. SMS You can use this key feature to quick access the short message service.
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 IP Phone 2. Customize specific features for these keys. 3. 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-T21P IP phone. You can also configure each line key to associate with an account or configure multiple line keys to associate with an account.
Customizing Your Phone You can repeat steps 2 to 5 to register more accounts. To disable an account via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Accounts. 2. Select the desired account and then press the Enter soft key. 3. Select Disable from the Activation field to disable the account. 4. Press the Save soft key to accept the change or the Back soft key to cancel. Account registration is configurable via web user interface at the path Account->Register.
User Guide for the SIP-T21P IP Phone placed in the parenthesis. The number directs to the right parenthesis when there are more than one. Example: A replace rule configuration: Prefix: "9([5-7]) (.)", Replace: "5$2". When you enter "96123" to dial out on your phone, the number will be replaced as "5123" You can configure one or more replace rules (up to 100) to remove the specified string and replace it with another string.
Customizing Your Phone When you enter the number 1 using the keypad and then press the Send soft key, the phone will dial out 1234 instead. Note The valid values of Account field can be one or two digits among 1 and 2. Each digit must be separated by a comma. For example, when you enter the value 1, 2 in the Account field, this replace rule will apply to account1 and account2. If you leave the Account field blank or enter 0, the replace rule will apply to all accounts.
User Guide for the SIP-T21P IP Phone For more information on the valid values of Account field, refer to Replace Rule on page 56. 4. Click Add to add the dial-now rule. When you enter the number 1234 using the keypad, the phone will dial out 1234 automatically without pressing any key. Note You can also edit or delete the dial-now rule, refer to Replace Rule on page 56 for more information. Dial-now rule is configurable via web user interface only.
Customizing Your Phone 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. Area codes are also known as Numbering Plan Areas (NPAs). They usually indicate geographical areas in a country. This feature is necessary only when dialing the number outside the code area.
User Guide for the SIP-T21P IP Phone For more information on the valid values of Account field, refer to Replace Rule on page 56. 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.
Customizing Your Phone For more information on the valid values of Account field, refer to Replace Rule on page 56. 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.
User Guide for the SIP-T21P IP 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 IP phone, which enables the IP phone to automatically dial out the phone number without pressing the send key.
Customizing Your 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.
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Basic Call Features The SIP-T21P 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 IP phone.
User Guide for the SIP-T21P 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 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 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 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 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 3 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. You can receive incoming calls from authorized numbers when DND is enabled.
User Guide for the SIP-T21P IP Phone To activate DND in phone mode: 1. Press the DND soft key when the phone is idle. 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.
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 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 of time. You can enable/disable call forward for the phone system, or you can customize call forward for each or all accounts. Two call forward modes: Phone (default): Call forward is effective for the phone system. 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.
User Guide for the SIP-T21P 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.) If you select Busy Forward: 1) Press or , or the Switch soft key to select Enable from the Busy field.
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 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 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 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 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. 2. Place a call to the first party. When the first party answers the call, press the Conference soft key to place a new call. The active call is placed on hold. 3. Enter the number of the second party and press 4.
User Guide for the SIP-T21P IP Phone To use this feature, contact your system administrator for the network conference URI in 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.
Basic Call Features 7. When the new party answers the call, press the 8. Conference soft key to add the new party to the conference. 9. 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.
User Guide for the SIP-T21P IP Phone designated as phone C. The user dials the call park retrieve code to retrieve the 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.
Basic Call Features 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. Select the desired account from the pull-down list of Account. 3. Click on Advanced.
User Guide for the SIP-T21P 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 IP Phone 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. Press the GPickup soft key on your phone when a phone in the group receives an incoming call. The call is answered on your phone. You can also configure a DSS key as a group pickup key via phone user interface or web user interface.
Basic Call Features You can use anonymous call to block the identity and phone number from showing up to the called party when you call someone. For example, you want to call to consult some of the services, but don t want to be harassed. Anonymous call is configurable on a per-line basis. Note Anonymous call is not available on all servers. Contact your system administrator for the anonymous call on code and off code. To configure anonymous call via phone user interface: 1.
User Guide for the SIP-T21P IP Phone 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. To configure anonymous call rejection via phone user interface: 1. Press Menu->Features->Anonymous Call. 2.
Advanced Phone Features This chapter provides operating instructions for the advanced features of the SIP-T21P 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. For example, (busy or idle).
User Guide for the SIP-T21P 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, DIAL, 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 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 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 IP Phone 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 Warning 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. Warning Tone You can enable or disable the phone to play a warning tone when receiving an intercom call. If Warning Tone is enabled, the phone plays a warning tone before answering the intercom call. If Warning Tone is disabled, the phone automatically answers the intercom call without warning. Warning Tone is enabled by default.
User Guide for the SIP-T21P 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. Click on Features->General Information.
Advanced Phone Features involved. The multicast paging key LED illuminates solid green. The following figure shows a multicast RTP session on the phone: Note 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. 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 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. The valid multicast IP addresses range from 224.0.0.
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 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 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. Note SMS is not available on all servers. Contact your system administrator for more information. To read a text message: Note 1.
User Guide for the SIP-T21P 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 IP phone.
User Guide for the SIP-T21P 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 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 IP phone only handles the MWI messages sent from the server. But for other servers, the MWI service is solicited, so the SIP-T21P IP phone must enable subscription for MWI.
User Guide for the SIP-T21P 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: 116 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.
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Troubleshooting This chapter provides general troubleshooting information to help to solve the problems you might encounter when using your SIP-T21P 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 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 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 LCD screen. Server configurations may override local configurations.
User Guide for the SIP-T21P 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 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: 1. Click on Settings->Upgrade. 2. Click Start to start recording signal traffic. 3. Recreate the error to be documented in the trace. 4. Click Stop to stop recording.
Troubleshooting 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 Upgrade->Advanced. 2. Select 6 from the pull-down list of System Log Level. The default system log level is 3. 3. Click Confirm to accept the change. The web user interface prompts Do you want to restart your machine? .
User Guide for the SIP-T21P IP Phone 2. 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: 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.
Troubleshooting 2. Click Browse to locate the firmware from your local system. 3. Click Upgrade to upgrade the firmware. The web user interface prompts SIP Phone will be updated. It will take 5 minutes to complete. 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.
User Guide for the SIP-T21P IP Phone 3. Press the Ok soft key. The LCD screen prompts Resetting Please Wait! . The LCD screen prompts Welcom Initializing please wait . The phone will be reset to factory sucessfully after startup. Note 128 Reset of your phone may take a few minutes. Do not power off until the phone starts up successfully.
Regulatory Notices Contact your Yealink Authorized Reseller for information about service agreements applicable to your product.
User Guide for the SIP-T21P 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) United States-Pacific Time Cana
User Guide for the SIP-T21P 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 +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 +13:00 132 Time Zone Name Hungary(Budapest) Italy(Rome) Luxembourg(Luxembourg
Index A About This Guide v Account Management 54 Account Registration 54 Adding Contacts 31 Adding Groups 29 Administrator password 20 Anonymous Call 95 Anonymous Call Rejection 96 Answering Calls 67 Area Code 59 Attaching Stand 11 Audio Settings 24 Auto Answer 70 Auto Redial 71 Automatic Call Distribution (ACD) 14 97 C E Editing Contacts 33 Editing Groups 29 Emergency Number 61 Ending Calls 68 G General Settings 17 Getting Started 9 109 H 45 I Call Completion 72 Call Forward 78 Call History Managem
User Guide for the SIP-T21P IP Phone Message Waiting Indicator Multicast Paging 105 Music on Hold 108 114 N Network Conference Network Connection No answer Forward 87 11 78 O Outgoing Intercom Calls Overview 1 103 P Packaging Contents 9 Phone Initialization 13 Phone Installation 11 Phone Status 13 Phone User Interface 5 Placing Calls 65 Placing Calls to Contacts 34 Programmable Keys 53 R Receiving RTP Stream 107 Recent Call In Dialing 69 Redialing Numbers 69 Registration 16 Regulatory Notices 129 Rem
