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• Page 2
  Copyright © 2015 YEALINK NETWORK TECHNOLOGY CO., LTD Copyright © 2015 Yealink Network Technology CO., LTD. All rights reserved. No parts of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, photocopying, recording, or otherwise, for any purpose, without the express written permission of Yealink Network Technology CO., LTD.
• Page 3
  Do not dispose of WEEE as unsorted municipal waste and have to collect such WEEE separately. We are striving to improve our documentation quality and we appreciate your feedback. Email your opinions and comments to DocsFeedback@yealink.com.
• Page 4
  Yealink SIP-T21(P) E2 IP phone firmware contains third-party software under the GNU General Public License (GPL). Yealink uses software under the specific terms of the GPL. Please refer to the GPL for the exact terms and conditions of the license.

• Page 5: About This Guide

  Thank you for choosing the SIP-T21(P) E2 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-T21 E2 and SIP-T21P E2 IP phones is that only SIP-T21P E2 supports PoE.

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  User Guide for the SIP-T21(P) E2 IP Phone…

• Page 7: Table Of Contents

  Table of Contents About This Guide …………..v In This Guide ……………………. v Table of Contents …………..vii Overview ……………… 1 Hardware Component Instructions ………………1 Icon Instructions ……………………3 LED Instructions ……………………4 User Interfaces ……………………5 Phone User Interface ………………….6 Web User Interface ………………….

• Page 8
  User Guide for the SIP-T21(P) E2 IP Phone Contact Management ………………….. 30 Directory……………………… 30 Local Directory …………………… 31 Blacklist ……………………..41 Remote Phone Book ………………….43 Call History Management ………………..45 System Customizations …………………. 47 Logo Customization ………………….47 Headset Use ……………………48 DSS Keys ……………………..

• Page 9: Table Of Contents

  Table of Contents Call Recording ……………………109 Hot Desking ……………………111 Intercom ……………………..113 Outgoing Intercom Calls ………………..113 Incoming Intercom Calls ………………..113 Using Intercom ………………….115 Multicast Paging ………………….. 115 Sending RTP Stream ………………… 116 Receiving RTP Stream ………………..118 Using Multicast Paging ………………..

• Page 10
  User Guide for the SIP-T21(P) E2 IP Phone…

• Page 11: Overview

  Overview This chapter provides the overview of the SIP-T21(P) E2 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.

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  Secures the handset in the handset cradle when the IP phone is mounted vertically. For more information on ⑮ Hookswitch Tab Yealink Wall how to adjust the hookswitch tab, refer to Mount Quick Installation Guide for Yealink IP Phones…
• Page 13
  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…
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  User Guide for the SIP-T21(P) E2 IP Phone Icon Description Call Mute 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 The contact icon Power Indicator LED LED Status Description…

• Page 15: Phone User Interface

  Overview LED Status Description Slow flashing green The call is placed on hold. The line is inactive. Line key LED (configured as a BLF key or BLF List key) LED Status Description Solid green The monitored user is idle. Fast flashing red (200ms) The monitored user receives an incoming call.

• Page 16: Web User Interface

  User Guide for the SIP-T21(P) E2 IP Phone You can customize your phone by pressing the Menu soft key to access the phone user interface. The Advanced Settings option is only accessible to the administrator, and the default administrator password is “admin” (case-sensitive). For more information on customizing your phone with the available options from the phone user interface, refer Customizing Your Phone on page 19.

• Page 17
  Overview Options Phone User Interface Web User Interface —Logo Customization —DSS Keys √ —Account Management √ —Dial Plan —Emergency Number —Live Dialpad —Hotline √ Basic Call Features —Recent Call In Dialing —Auto Answer √ —Auto Redial √ —Call Completion √ —ReCall √…
• Page 18
  User Guide for the SIP-T21(P) E2 IP Phone Options Phone User Interface Web User Interface —SIP Server 1/2 √ —Server Option —Registrar 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.
• Page 19
  Getting Started This chapter provides basic installation instructions and information for obtaining the best performance with the SIP-T21(P) E2 IP phone. Topics include: Packaging Contents  Phone Installation  Phone Initialization  Phone Status  Basic Network Settings  Registration …
• Page 20
  User Guide for the SIP-T21(P) E2 IP Phone Phone Stand  Handset & Handset Cord  Ethernet Cable  Quick Start Guide  Check the list before installation. If you find anything missing, contact your system administrator. The following items are optional accessories for your SIP-T21(P) E2 IP phone. You need to purchase them separately if required.
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  Getting Started Power Adapter  Headset  If your phone is already installed, proceed to Phone Initialization on page 13. This section introduces how to install the phone: 1) Attach the stand 2) Connect the handset and optional headset 3) Connect the network and power Attach the stand…

• Page 22: Power Over Ethernet

   Power over Ethernet (PoE)  Note PoE is not applicable to the SIP-T21 E2 IP phone. AC Power To connect the AC power: 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.

• Page 23
  Getting Started available port on the in-line power switch/hub. Note If in-line power is provided, you don’t need to connect the phone to the power adapter. Make sure the switch/hub is PoE-compliant. The phone can also share the network with another network device such as a PC (personal computer).
• Page 24
  User Guide for the SIP-T21(P) E2 IP Phone Account status (e.g., register status of SIP accounts).  Note You can view device certificate status via phone user interface only. To view the phone status via phone user interface: Press , or press Menu->Status. Press to scroll through the list and view the specific information.
• Page 25
  Getting Started 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.
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  User Guide for the SIP-T21(P) E2 IP Phone Press to select Static IPv4 Client and then press the Enter soft key. Enter the desired values in the IPv4, Subnet Mask, Default Gateway, IPv4 Pri.DNS and IPv4 Sec.DNS fields respectively. Press the Save soft key to accept the change or the Back soft key to cancel. To configure a static IPv6 address via phone user interface: Press Menu->Settings->Advanced Settings (default password: admin) ->Network->WAN Port.
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  Getting Started Enter the user name and password in the corresponding fields. Press the Save soft key to accept the change or the Back soft key to cancel. Note Wrong network settings may result in inaccessibility of your phone and may also have an impact on your network performance.
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  User Guide for the SIP-T21(P) E2 IP Phone…
• Page 29
  Customizing Your Phone You can customize your SIP-T21(P) E2 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.
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  User Guide for the SIP-T21(P) E2 IP Phone You can configure the backlight to adjust the brightness of the LCD screen. Backlight status on the LCD screen can be configured from the following options: Always On: Backlight is on permanently. …

• Page 31: Time/Date

  Customizing Your Phone Text displayed on the phone user interface will change to the selected language. To change the language for the web user interface: Click on Settings->Preference. Select the desired language from the pull-down list of Language. Click Confirm to accept the change. Text displayed on the web user interface will change to the selected language.

• Page 32
  User Guide for the SIP-T21(P) E2 IP Phone Press , or the Switch soft key to select the desired time zone name from the Location field. The default time zone name is China(Beijing). Press the Save soft key to accept the change or the Back soft key to cancel. Note A — Time Zones Please refer to…

• Page 33: Administrator Password

  Customizing Your Phone The date formats available: Date Format Example (2015-01-07) WWW MMM DD Wed Jan 07 DD-MMM-YY 07-Jan-15 YYYY-MM-DD 2015-01-07 DD/MM/YYYY 07/01/2015 MM/DD/YY 01/07/15 DD MMM YYYY 07 Jan 2015 WWW DD MMM Wed 07 Jan Time and date are configurable via web user interface at the path Settings->Time & Date.

• Page 34
  User Guide for the SIP-T21(P) E2 IP Phone You can set the “#” or “*” to perform as a send key while dialing. To configure key as send via phone user interface: Press Menu->Features->Key as send. Press , or the Switch soft key to select # or * from the Key as send field, or select Disabled to disable this feature.
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  Customizing Your Phone To activate the phone lock via phone user interface: Press Menu->Settings->Advanced Settings (default password: admin) ->Phone Lock. Press , or the Switch soft key to select Enabled from the Lock Enable field. Press , or the Switch soft key to select the desired type from the Lock Type field.
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  User Guide for the SIP-T21(P) E2 IP Phone respectively. Press the Save soft key to accept the change or the Back soft key to cancel. Note The unlock PIN length must be within 15 digits. To unlock the phone via phone user interface: Press any locked key, the LCD screen prompts “Unlock PIN”.

• Page 37: Volume

  Customizing Your Phone Phone lock is configurable via web user interface at the path Features->Phone Lock. You can press the Volume key to adjust the ringer volume when the phone is idle. You can also press the Volume key to adjust the receiver volume of currently engaged audio devices (handset, speakerphone or headset) when the phone is in use.

• Page 38
  User Guide for the SIP-T21(P) E2 IP Phone To select a ring tone for the phone via phone user interface: Press Menu->Settings->Basic Settings->Sound->Ring Tones->Common. Press to select the desired ring tone. Press the Save soft key to accept the change or the Back soft key to cancel. A ring tone for the phone is configurable via web user interface at the path Settings->Preference->Ring Type.
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  Customizing Your Phone If Common is selected, this account will use the ring tone selected for the phone. Press the Save soft key to accept the change or the Back soft key to cancel. A ring tone for the account is configurable via web user interface at the path Account->Basic->Ring Type.

• Page 40: Directory

  User Guide for the SIP-T21(P) E2 IP Phone This section provides the operating instructions for managing contacts. Topics include: Directory  Local Directory  Blacklist  Remote Phone Book  Directory provides easy access to frequently used lists. The lists may contain Local Directory, History, Remote Phone Book and LDAP .

• Page 41: Local Directory

  Customizing Your Phone Click Confirm to accept the change. Note Directory is configurable via web user interface only. To check the via phone user interface: directory Press the Dir soft key when the phone is idle. The LCD screen displays the enabled list(s) in the directory If there is only one list in the , press the Dir soft key to enter this list directly.

• Page 42
  User Guide for the SIP-T21(P) E2 IP Phone Press the AddGr soft key. Enter the desired group name in the Name field. Press to select the desired group ring tone from the Ring field. If Auto is selected, this group will use the ring tone specified for the contact. If no ring tone is specified for the contact, it will then play the ring tone specified for the account.
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  Customizing Your Phone Press to scroll through the group information and then edit. Press the Save soft key to accept change or the Back soft key to cancel. To delete a group from the local directory: Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default.

• Page 44: Adding Contacts Manually

  User Guide for the SIP-T21(P) E2 IP Phone From call history  From a remote phone book  Adding Contacts Manually To add a contact to the local directory manually: Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default.

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  Customizing Your Phone Adding Contacts from Call History To add a contact to the local directory from the call history: Press the History soft key. Press to highlight the desired entry. Press the Option soft key, and then select Add to Contacts. Enter the contact name.
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  User Guide for the SIP-T21(P) E2 IP Phone To edit a contact in the local directory: Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default. If Local Directory is removed from the , press Menu->Directory->Local directory…
• Page 47
  Customizing Your Phone Select the desired contact group and then press the Enter soft key. Press to highlight the desired contact. Press the Option soft key, and then select Delete. The LCD screen prompts the following warning: Press the OK soft key to confirm the deletion or the Cancel soft key to cancel. You can also delete all contacts by pressing the Option soft key, and then select Delete All.
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  User Guide for the SIP-T21(P) E2 IP Phone To search for a contact in the local directory: Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default. If Local Directory is removed from the , press Menu->Directory->Local directory…
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  Customizing Your Phone The LCD screen will display search results in the adjusted order. Click Confirm to accept the change. Note Search source list in dialing is configurable via web user interface only. To search for a contact in the enabled search source lists: Pick up the handset, press the speakerphone or press the line key.
• Page 50
  User Guide for the SIP-T21(P) E2 IP 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: Click on Directory->Local Directory.

• Page 51: Blacklist

  Customizing Your Phone (Optional.) Select the contact information you want to import into the local directory from the pull-down list of Index. Click Import to complete importing the contact list. To export a contact list via web user interface: Click on Directory->Local Directory. Click Export XML (or Export CSV).

• Page 52
  User Guide for the SIP-T21(P) E2 IP Phone Enter the name and the office, mobile or other numbers in the corresponding fields. Press , or the Switch soft key to select the desired account from the Account field. If Auto is selected, the phone will use the default account when placing calls to the contact from the blacklist directory.

• Page 53: Remote Phone Book

  Customizing Your Phone You can add new contacts to the local directory, search for a contact, or simply dial a contact number from the remote phone book. You can configure your new phone to access up to 5 remote phone books. For the access URL of the remote phone book, contact your system administrator.

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  User Guide for the SIP-T21(P) E2 IP Phone To search for a contact in the remote phone book: Press Menu->Directory->Remote Phone Book. If Remote Phone Book is added to the directory, press Dir->Remote Phone Book to enter the remote phone book. Select the desired remote group, and then press the Enter soft key to load the remote phone book.
• Page 55
  Customizing Your Phone Enter the desired refresh period in the Update Time Interval (Seconds) field. The default value is 21600 seconds. Click Confirm to accept the change. The SIP-T21(P) E2 IP phone maintains call history lists of Placed calls, Received calls, Missed calls and Forwarded calls.

• Page 56: Contact Management

  User Guide for the SIP-T21(P) E2 IP Phone Press the Option soft key, and then select Detail. The detailed information of the entry appears on the LCD screen. To place a call from the call history list: Press the History soft key. Press to switch between All Calls, Placed Calls, Received Calls, Missed Calls and Forwarded Calls.

• Page 57
  Customizing Your Phone The LCD screen prompts «Delete all the call records?». 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: Click on Features->General Information.

• Page 58: Headset Use

  User Guide for the SIP-T21(P) E2 IP Phone Click Confirm to accept the change. Note custom logo, you can click Delete item will appear after you upload a Delete to delete the custom logo. The logo file format must be *.dob, contact your system administrator for more information.

• Page 59
  Customizing Your Phone Select Enabled from the pull-down list of Headset Prior. Click Confirm to accept the change. To use headset prior feature, you should activate the headset mode in advance: Physically connect the headset. Press to activate the headset mode. Note If headset prior is enabled, the headset mode will not be deactivated until you press the Headset key again.

• Page 60: Dss Keys

  User Guide for the SIP-T21(P) E2 IP Phone To enable dual headset via web user interface: Click on Features->General Information. Select Enabled from the pull-down list of Dual-Headset. Click Confirm to accept the change. Note Dual headset is configurable via web user interface only. There are two types of DSS keys: Line Keys and Programmable Keys.

• Page 61
  Customizing Your Phone (Optional.) Select the desired line from the Account ID field. (Optional.) Enter the corresponding value in the Value field. (Optional.) Enter the corresponding value in the Extension field. Press the Save soft key to accept the change or the Back soft key to cancel. Line key is configurable via web user interface at the path DSSKey->Line Key.
• Page 62
  User Guide for the SIP-T21(P) E2 IP Phone Line You can use this key feature to accept incoming calls, place active calls on hold or resume a held call. It performs in the same way as a hard line key. Type (Line) Dependencies: Account ID (the account this feature will be applied to)
• Page 63
  Customizing Your Phone their own group. Type (Key Event) Dependencies: Key Type (GPickup) Account ID (the account this feature will be applied to) Value (the group pickup feature code) Usage: Press the DSS key on your phone when a phone number in the group receives an incoming call.
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  User Guide for the SIP-T21(P) E2 IP Phone Type (Key Event) Dependencies: Key Type (XML Group) PhoneBook (the remote group name you want to access if remote phone book is configured) Usage: Press the DSS key to access the remote group specified in the PhoneBook field. XML Browser You can use this key feature to quickly access a XML browser.
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  Customizing Your Phone Key Type (FWD) Value (the number you want to forward to) Usage: Press the DSS key to forward an incoming call to the number specified in the Value field. Note If the Value field is left blank, the DSS key performs the same as the soft key when receiving an incoming call.
• Page 66
  User Guide for the SIP-T21(P) E2 IP Phone (DND) on page 80. Type (Key Event) Dependencies: Key Type (DND) Usage: When DND is in phone mode: Press the DSS key to activate DND. Press the DSS key again to deactivate DND. When DND is in custom mode: Press the DSS key to access the custom DND screen.
• Page 67
  Customizing Your Phone Usage: Press the DSS key to access the zero touch screen. Press the OK soft key within a few seconds. Configure the network parameters in the corresponding fields. Press the Next soft key. Configure the auto provision parameters in the corresponding fields. Press the OK soft key.
• Page 68
  User Guide for the SIP-T21(P) E2 IP Phone You can customize the soft keys, navigation keys and function keys. To customize the programmable keys via web user interface: Click on DSSKey->Programable Key. Customize specific features for these keys. Click Confirm to accept the change. You can click Reset to default to reset custom settings to defaults.
• Page 69
  Customizing Your Phone You can register one or multiple accounts on the SIP-T21(P) E2 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: Press Menu->Settings->Advanced Settings (default password: admin) ->Accounts.

• Page 70: Dial Plan

  User Guide for the SIP-T21(P) E2 IP Phone You can configure multiple line keys to associate with an account. This enhances call visualization and simplifies call handling. Incoming calls to this account will be distributed evenly among the available line keys. Outgoing calls will be distributed similarly.

• Page 71
  Customizing Your Phone placed in the parenthesis. The number directs to the right parenthesis when there are more than one. Example: A replace rule configuration, Prefix: «001(xxx)45(xx)», Replace: «9001$145$2». When you dial out «0012354599» on your phone, the IP phone will replace the number with «90012354599».
• Page 72
  User Guide for the SIP-T21(P) E2 IP 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 between 1 and 2. Each digit must be separated by a comma.
• Page 73
  Customizing Your Phone For more information on the valid values of Account field, refer to Replace Rule page 61. Click Add to add the dial-now rule. When you enter the number “123” using the keypad, the phone will dial out “123” automatically without pressing any key.
• Page 74
  User Guide for the SIP-T21(P) E2 IP Phone Enter the time between 1 and 14 (seconds) in the Time-Out for Dial-Now Rule field. Click Confirm to accept the change. Note Delay time for dial-now rule is configurable via web user interface only. Area codes are also known as Numbering Plan Areas (NPAs).
• Page 75
  Customizing Your Phone For more information on the valid values of Account field, refer to Replace Rule page 61. Click Confirm to accept the change. Note The default values of minimum and maximum length are 1 and 15 respectively. Area code is configurable via web user interface only. You can block some specific numbers (up to 10) from being dialed on your phone.

• Page 76: Emergency Number

  User Guide for the SIP-T21(P) E2 IP Phone For more information on the valid values of Account field, refer to Replace Rule page 61. Click Confirm to add the block out number. Note Block out number is configurable via web user interface only. Public telephone networks in countries around the world have a single emergency telephone number (emergency services number), that allows a caller to contact local emergency services for assistance when necessary.

• Page 77: Live Dialpad

  Customizing Your Phone For multiple numbers, enter a comma between every two emergency numbers. The default emergency numbers are 112, 911 and 110. Click Confirm to accept the change. Note Emergency number is configurable via web user interface only. You can enable live dialpad on the SIP-T21(P) E2 IP phone, which enables the IP phone to automatically dial out a phone number without the pressing of the send key.

• Page 78: Hotline

  User Guide for the SIP-T21(P) E2 IP Phone The default delay time is 4 seconds. Click Confirm to accept the change. Note Live dialpad is configurable via web user interface only. You can dial a hotline number immediately upon lifting the handset, pressing the Speakerphone key or the line key.

• Page 79: Basic Call Features

  Basic Call Features The SIP-T21(P) E2 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-T21(P) E2 IP phone.

• Page 80
  User Guide for the SIP-T21(P) E2 IP Phone Using the speakerphone  Using the headset  You can also dial the number first, and then choose the way you want to speak to the other party. You can also search and dial a contact from call history, local directory or remote phone book.
• Page 81
  Basic Call Features To place a call using the headset: Do one of the following: With the optional headset connected, press to activate the headset mode. Press the line key to obtain a dial tone. Enter the desired number using the keypad. Press , or the Send soft key.
• Page 82
  User Guide for the SIP-T21(P) E2 IP Phone Using the handset  Using the speakerphone  Using the headset  Note You can reject incoming calls by pressing the Reject soft key or the X key. You can also activate Do Not Disturb mode to ignore all incoming calls without ring on your phone. For more information, refer to Do Not Disturb (DND) on page 80.
• Page 83
  Basic Call Features The incoming call is answered and the original call is placed on hold. To end a call: Do one of the following: If you are using the handset, press the EndCall soft key or hang up the handset. If you are using the headset, press the EndCall soft key.

• Page 84: Recent Call In Dialing

  User Guide for the SIP-T21(P) E2 IP Phone To view the placed calls list when the phone is in the pre-dialing screen, you should enable recent call in dialing in advance. To enable recent call in dialing via web user interface: Click on Directory->Setting.

• Page 85: Auto Answer

  Basic Call Features You can use auto answer to automatically answer an incoming call on a line. Auto answer is configurable on a per-line basis. To configure auto answer via phone user interface: Press Menu->Features->Auto Answer. Press , or the Switch soft key to select the desired account from the Line ID field.

• Page 86: Auto Redial

  User Guide for the SIP-T21(P) E2 IP Phone You can enable auto redial to automatically redial a phone number when the called party is busy. You can also configure the number of auto redial attempts and the time to wait between redial attempts. To configure auto redial via phone user interface: Press Menu->Features->Auto Redial.

• Page 87: Call Completion

  Basic Call Features Wait for the designated 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 party when the party becomes available to receive a call.

• Page 88: Recall

  User Guide for the SIP-T21(P) E2 IP Phone When the called party is busy, the following prompt will appear on the LCD screen of the phone: Press the OK soft key to redial the number. Note Call completion is not available on all servers. For more information, contact your system administrator.

• Page 89: Call Mute

  Basic Call Features You can mute the microphone of the active audio device during an active call so that the other party cannot hear you. Call mute applies to all modes (Handset, Headset and Speakerphone). To mute a call: Press during an active call.

• Page 90: Do Not Disturb

  User Guide for the SIP-T21(P) E2 IP Phone To resume a held call: Press the Resume soft key. Multiple Calls on Hold: If multiple calls are placed on hold, do one of the following: Press to switch between the calls, and then press the Resume soft key to retrieve the desired call.

• Page 91
  Basic Call Features In the DND block, mark the desired radio box in the Mode field. Click Confirm to accept the change. Note DND mode is configurable via web user interface only. To activate DND in phone mode: Press the DND soft key when the phone is idle. icon on the status bar indicates that DND is enabled.

• Page 92: Call Forward

  User Guide for the SIP-T21(P) E2 IP Phone To activate DND in custom mode for a specific account: Press the DND soft key when the phone is idle. The LCD screen displays a list of accounts registered on the phone. Press to select the desired account and then press the Enter soft key.

• Page 93
  Basic Call Features icon appears on the status bar and all line icons change to Incoming calls will be rejected automatically, and the LCD screen will prompt «n New Missed Call(s)» («n» indicates the number of missed calls). To configure the DND authorized numbers via web user interface: Click on Features->Forward &…

• Page 94: Static Forwarding

  User Guide for the SIP-T21(P) E2 IP Phone Static Forwarding Three types of static forwarding: Always Forward: Incoming calls are immediately forwarded.  Busy Forward: Incoming calls are immediately forwarded if the phone is busy.  No Answer Forward: Incoming calls are forwarded if not answered after a period …

• Page 95
  Basic Call Features Depending on your selection: a.) If you select Always Forward: 1) Press , or the Switch soft key to select Enabled from the Always Forward field. 2) Enter the destination number you want to forward all incoming calls to in the Forward to field.
• Page 96
  User Guide for the SIP-T21(P) E2 IP Phone 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. Press the Save soft key to accept the change or the Back soft key to cancel.
• Page 97
  Basic Call Features The LCD screen prompts “Copy to all lines?”. 3) Press the OK soft key to accept the change or the Cancel soft key to cancel. b.) If you select Busy Forward, you can enable it for a specific account. 1) Press , or the Switch soft key to select Enabled from the Busy Forward field.
• Page 98
  User Guide for the SIP-T21(P) E2 IP Phone 1) Press , or the Switch soft key to select Enabled from the No Answer Forward field. 2) Enter the destination number you want to forward all unanswered incoming calls to in the Forward to field. 3) Press , or the Switch soft key to select the ring time to wait before forwarding from the After Ring Time field.

• Page 99: Dynamic Forwarding

  Basic Call Features To disable call forward in phone mode: Do one of the following: Press when the phone is idle. Press Menu->Features->Call Forward. Press to select the desired forwarding type and then press the Enter soft key. Press , or the Switch soft key to select Disabled to disable the call forward.

• Page 100: Call Transfer

  User Guide for the SIP-T21(P) E2 IP Phone You can transfer a call to another party in one of three ways: Blind Transfer: Transfer a call directly to another party without consulting.  Semi-Attended Transfer: Transfer a call when the target phone is ringing. …

• Page 101: Call Waiting

  Basic Call Features to select the entry (Directory should be configured in advance. Refer to Directory on page for more information). Press the Dir soft key, and then select Remote Phone Book. Select the desired group and search for the contact (Directory and remote phone book should be configured in advance.

• Page 102: Conference

  User Guide for the SIP-T21(P) E2 IP Phone You can create a conference with other two parties using the phone’s local conference. You can create a conference between an active call and a call on hold by pressing the Conf soft key. The SIP-T21(P) E2 IP phone also supports network conference. Note Network conference is not available on all servers.

• Page 103: Network Conference

  Basic Call Features Press the Manage soft key, and then press to select the desired party: Press the Far Mute soft key to forbid the party from speaking. The muted party can hear everyone, but no one can hear the muted party. Press the Remove soft key to remove the party from the conference call.

• Page 104: Call Park

  User Guide for the SIP-T21(P) E2 IP Phone Enter the conference URI (e.g., conference@example.com) in the Conference URI field. Click Confirm to accept the change. To set up a network conference call: Place a call to the first party. Press the Conf soft key to place a new call. The active call is placed on hold.

• Page 105
  Basic Call Features or a visible prompt on the LCD screen. Note Call park is not available on all servers. Contact your system administrator for more information. To configure a call park key via phone user interface: Press Menu->Features->DSS Keys. Select the desired DSS key.

• Page 106: Call Pickup

  User Guide for the SIP-T21(P) E2 IP Phone The system establishes call between phone C and B. Note The call park code and call park retrieve code are predefined on the system server. Contact your system administrator for more information. If the parked call is not retrieved within a period of time assigned by the system, the phone performing call park will receive call back.

• Page 107
  Basic Call Features Enter the directed call pickup code in the Directed Call Pickup Code field. Click Confirm to accept the change. To configure the directed call pickup code on a per-line basis via web user interface: Click on Account. Select the desired account from the pull-down list of Account.
• Page 108
  User Guide for the SIP-T21(P) E2 IP Phone To pick up a call directly: Pick up the handset, press the speakerphone or press the line key and then press the More soft key. The DPickup soft key appears on the LCD screen. Press the DPickup soft key on your phone when the target phone receives an incoming call.

• Page 109: Group Call Pickup

  Basic Call Features Group Call Pickup To enable group call pickup and configure the group call pickup code on a global basis via web user interface: Click on Features->Call Pickup. Select Enabled from the pull-down list of Group Call Pickup. Enter the group call pickup code in the Group Call Pickup Code field.

• Page 110
  User Guide for the SIP-T21(P) E2 IP Phone To configure the group call pickup code on a per-line basis via web user interface: Click on Account. Select the desired account from the pull-down list of Account. Click on Advanced. Enter the group call pickup code in the Group Call Pickup Code field. Click Confirm to accept the change.

• Page 111: Anonymous Call

  Basic Call Features You can also configure a DSS key as group pickup key via phone user interface or web user interface. Once configured, you can pick up a call by pressing the group pickup key directly. Note The directed call pickup code and group call pickup code are predefined on the system server.

• Page 112: Anonymous Call Rejection

  User Guide for the SIP-T21(P) E2 IP Phone To place an anonymous call: Using the specific line on the phone to place a call to phone B. The LCD screen of phone B prompts an incoming call from anonymity. You can use anonymous call rejection to reject incoming calls from anonymous callers. Anonymous call rejection automatically rejects incoming calls from callers who deliberately block their identities and numbers from being displayed.

• Page 113
  Basic Call Features Anonymous call rejection is configurable via web user interface at the path Account->Basic.
• Page 114
  User Guide for the SIP-T21(P) E2 IP Phone…

• Page 115: Call Recording

  Advanced Phone Features This chapter provides operating instructions for the advanced features of the SIP-T21(P) E2 IP phone. Topics include: Busy Lamp Field (BLF)  BLF List  Call Recording  Hot Desking  Intercom  Multicast Paging  Music on Hold …

• Page 116
  User Guide for the SIP-T21(P) E2 IP Phone Press , or the Switch soft key to select the desired line from the Account ID field. Enter the phone number or extension you want to monitor in the Value field. (Optional.) Enter the Directed Call Pickup Code in the Extension field. Press the Save soft key to accept the change or the Back soft key to cancel.

• Page 117: Blf List

  Advanced Phone Features In the following figure, the LCD screen shows an incoming call from 2500 on the monitored line. Note If your phone is locked and the type of the phone lock is configured as Function Keys or All Keys, you cannot use the DPickup, 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.

• Page 118
  User Guide for the SIP-T21(P) E2 IP Phone an active call of the monitored user when you press the BLF List key. When a call is being parked against the monitored phone, press the BLF List key to  retrieve the parked call from the monitored user. Before retrieving the parked call, ensure that the BLF List Retrieve call parked Code has been configured in advance.
• Page 119
  Advanced Phone Features You can receive a visual or/and an audio alert (if enabled) on your phone when the monitored user receives an incoming call. For more information, refer to Busy Lamp Field (BLF) on page Note The pickup code is used in the following order of preference: BLF List code (Account->Advanced)>Directed Call Pickup Code (Account->Advanced)>Directed Call Pickup Code (Features->Call Pickup).
• Page 120
  User Guide for the SIP-T21(P) E2 IP Phone Press , or the Switch soft key to select Record from the Key Type field. 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: Press Menu->Features->DSS Keys.
• Page 121
  Advanced Phone Features 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. Recording status indications you need to know: Circumstance Icons on the LCD screen A recording is started appears on the LCD screen…
• Page 122
  User Guide for the SIP-T21(P) E2 IP Phone field. 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: Press the hot desking key when the phone is idle.
• Page 123
  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 preconfigured target extension for outgoing intercom calls, and the target extension will automatically answer incoming intercom calls by default.
• Page 124
  User Guide for the SIP-T21(P) E2 IP Phone Intercom features you need to know: Intercom Feature Description Enable or disable the IP phone to automatically Accept Intercom answer an incoming intercom call. Enable or disable the IP phone’s microphone for Intercom Mute intercom calls.
• Page 125
  Advanced Phone Features To configure intercom features via phone user interface: Press Menu->Features->Intercom. Make the desired changes. Press the Save soft key to accept the change or the Back soft key to cancel. These specific parameters are configurable via web user interface at the path Features->Intercom.
• Page 126
  User Guide for the SIP-T21(P) E2 IP Phone To configure a multicast paging key via phone user interface: Press Menu->Features->DSS Keys. Select the desired DSS key. Press , or the Switch soft key to select Key Event from the Type field. Press , or the Switch soft key to select Multicast Paging from the Key Type field.
• Page 127
  Advanced Phone Features The default tag is Empty if it is not configured before. Press the Option soft key and then press the Edit soft key. Enter the multicast IP address and port number (e.g., 224.5.6.20:10008) in the Address field. The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.
• Page 128
  User Guide for the SIP-T21(P) E2 IP Phone To configure a default codec for multicast paging via web user interface: Click on Features->General Information. Select the desired codec from the pull-down list of Multicast Codec. The default codec is G722. Click Confirm to accept the change.
• Page 129
  Advanced Phone Features 1 to 10: Define the priority of the active call, 1 with the highest priority, 10 with the  lowest. Disabled: The voice call in progress will take precedence over all incoming paging  calls. Paging Priority Active The paging priority active parameter decides how the phone handles incoming multicast paging calls when there is already a multicast paging call on the phone.
• Page 130
  User Guide for the SIP-T21(P) E2 IP Phone To send RTP stream via a multicast paging key when the receiver’s phone is idle: Press the multicast paging key when the phone is idle. The phone sends RTP to a preconfigured multicast address (IP: Port). Both the sender’s and receiver’s phones play a warning tone and the receiver automatically answers the multicast RTP session in the speakerphone mode.
• Page 131
  Advanced Phone Features releases the session. To resume the held multicast RTP session, press the Resume soft key. The multicast RTP session is established again. To end the multicast RTP session, press the multicast paging key again or press the EndCall soft key.
• Page 132
  User Guide for the SIP-T21(P) E2 IP Phone When you have placed a call on hold, the held party can hear the music. Note For this feature to function, all involved parties cannot use encrypted RTP (SRTP). Music on hold server is configurable via web user interface only. ACD is often used in offices for customer service, such as call center.
• Page 133
  Advanced Phone Features To log into the ACD system: Press the ACD key when the phone is idle. The LCD screen prompts you the following information: User ID: the identity used to log into the queue. Password: the password used to log into the queue. Press the Login soft key to log in.
• Page 134
  User Guide for the SIP-T21(P) E2 IP Phone You can send and receive text messages using the SIP-T21(P) E2 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 and the LCD screen will prompt receiving new text messages with the number of waiting messages (e.g., 2 new Text Message(s)) and a flashing icon.
• Page 135
  Advanced Phone Features To send a text message: Press Menu->Message->Text Message->New Message. Compose the new text message. You can press the abc soft key to change the input mode. Press the Send soft key after completing the content. (Optional.) Press , or the Switch soft key to select the desired account from the From field.
• Page 136
  User Guide for the SIP-T21(P) E2 IP Phone To delete a text message: Press Menu->Message->Text Message->Inbox (Sentbox, Outbox or Draftbox). Select the desired message and then press the Delete soft key. Select Delete to delete the desired message, then press OK. The LCD screen prompts “Delete message?”.
• Page 137
  Advanced Phone Features If the voice mail pop-up message box disappears, it won’t pop up again unless the user receives a new voice mail or the user re-registers the account that has unread voice mail(s). Voice Mail is not available on all servers. Note You can configure the phone not to display the pop-up prompt, contact your system administrator for more information.

• Page 138: Voice Mail

  User Guide for the SIP-T21(P) E2 IP Phone To view the voice mail via phone user interface: Press Menu->Message->Voice Mail->View Voice Mail. The LCD screen displays the amount of new and old voice mails. Select an account and then press the Connect soft key to listen to voice mails. The SIP-T21(P) E2 IP phone supports MWI when receiving a new voice message.

• Page 139
  Advanced Phone Features To configure subscribe for MWI via web user interface: Click on Account. Select the desired account from the pull-down list of Account. Click on Advanced. Select Enabled from the pull-down list of Subscribe for MWI field. Enter the period time in the MWI Subscription Period (Seconds) field. Click Confirm to accept the change.
• Page 140
  User Guide for the SIP-T21(P) E2 IP Phone To enable subscribe MWI to voice mail via web user interface: Click on Account. Select the desired account from the pull-down list of Account. Click on Advanced. Select Enabled from the pull-down list of Subscribe MWI To Voice Mail. Enter the desired voice mail number in the Voice Mail field.

• Page 141: Troubleshooting

  Troubleshooting This chapter provides general troubleshooting information to help you solve the problems you might encounter when using your SIP-T21(P) E2 IP phone. If you require additional information or assistance with your new phone, contact your system administrator. Why is the LCD screen blank? Ensure that the phone is properly plugged into a functional AC outlet.

• Page 142
  User Guide for the SIP-T21(P) E2 IP Phone How to obtain the MAC address of a phone when the phone is not powered on? Three ways to obtain the MAC address of a phone: You can ask your supplier for the shipping information sheet which includes MAC …
• Page 143
  Troubleshooting Activation/Deactivation on page 48. Check that the headset volume is adjusted to an appropriate level. Refer to Volume  on page 27. What is the difference between user name, register name and display name? Both user name and register name are defined by the server. A user name is used to identify the account while a register name matched with a password is used for authentication if the server requires.
• Page 144
  User Guide for the SIP-T21(P) E2 IP Phone Why can’t I send an SMS to any other phone? 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: Click on Security->Password.
• Page 145
  Troubleshooting Select the desired value (Optional or Compulsory) from the pull-down list of RTP Encryption (SRTP). Click Confirm to accept the change. Note SRTP is not available on all servers. Contact your system administrator for more information. SRTP is configurable via web user interface only. How to reboot the phone? To reboot the phone via web user interface: Click on Settings->Upgrade.
• Page 146
  User Guide for the SIP-T21(P) E2 IP Phone How to export PCAP trace? We may need you to provide a PCAP trace to help analyze your problem. To export a PCAP trace via web user interface: Click on Settings->Configuration. Click Start to begin capturing signal traffic. Recreate the error to be documented in the trace.
• Page 147
  Troubleshooting Mark the Local radio box in the Export System Log field. Click Export to open file download window, and then save the file to your local system. You can also export the system log to the syslog server. Contact your system administrator for more information.
• Page 148
  User Guide for the SIP-T21(P) E2 IP Phone Click Browse to locate the required firmware from your local system. Click Upgrade to upgrade the firmware. The web user interface prompts “Firmware of the SIP Phone will be updated. It will take 5 minutes to complete.
• Page 149
  Troubleshooting The LCD screen prompts “Welcome Initializing…please wait”. The phone will be reset to factory settings sucessfully after startup. Note Reset of your phone may take a few minutes. Do not power off until the phone has started up successfully.
• Page 150
  User Guide for the SIP-T21(P) E2 IP Phone…

• Page 151: Regulatory Notices

  Without prior written consent, no organization or individual is permitted to  make any change to the structure or the safety design of the device. Yealink is under no circumstance liable to consequences or legal issues caused by such changes.

• Page 152
  User Guide for the SIP-T21(P) E2 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 …

• Page 153: Appendix A-Time Zones

  Appendix A-Time Zones Time Zone Time Zone Name Samoa US-Hawaii-Aleutian, US-Alaska-Aleutian -9:30 French Polynesia US-Alaska Time Canada(Vancouver,Whitehorse), Mexico(Tijuana,Mexicali), US-Pacific Time Canada(Edmonton,Calgary), Mexico(Mazatlan,Chihuahua), US-MST no DST, US-Mountain Time Canada-Manitoba(Winnipeg), Chile(Easter Islands), Mexico(Mexico City,Acapulco), US-Central Time Bahamas(Nassau), Canada(Montreal,Ottawa,Quebec), Cuba(Havana), US-Eastern Time -4:30 Venezuela(Caracas) Canada(Halifax,Saint John), Chile(Santiago), Paraguay(Asuncion), UK(Falkland Islands),…

• Page 154
  User Guide for the SIP-T21(P) E2 IP Phone Time Zone Time Zone Name +9:30 Australia(Adelaide), Australia(Darwin) Australia(Brisbane), Australia(Hobart), Australia(Sydney,Melboume,Canberra), Russia(Vladivostok) +10:30 Australia(Lord Howe Islands) New Caledonia(Noumea), Russia(Srednekolymsk Time) +11:30 Norfolk Island New Zealand(Wellington,Auckland), Russia(Kamchatka Time) +12:45 New Zealand(Chatham Islands) Tonga(Nukualofa) +13:30 Chatham Islands Kiribati…

• Page 155: Index

  Index Directory About This Guide Dual Headset Account Management Do Not Disturb (DND) Account Registration Documentations Adding Contacts DSS Keys Adding Groups Administrator password Anonymous Call Anonymous Call Rejection Editing Contacts Answering Calls Editing Groups Area Code Emergency Number Attaching Stand Ending Calls Audio Settings Auto Answer…

• Page 156: System Customizations

  User Guide for the SIP-T21(P) E2 IP Phone Messages Time Zones Message Waiting Indicator Troubleshooting Multicast Paging Music on Hold Voice Mail Volume Network Conference Network Connection No answer Forward Warranty Web User Interface WEEE Warning Outgoing Intercom Calls Overview Optional Accessories Packaging Contents Phone Initialization…

Шаг 2. Заходим на страницу настройки по полученному IP-адресу.

На компьютере запускаете web-браузер (не рекомендуется использование браузера Internet Explorer). В адресной строке браузера прописываете IP адрес, который узнали на предыдущем шаге. После перехода по данному адресу, у Вас откроется страница настройки, которая запросит ввод логина и пароля. По умолчанию на телефоне установлен логин: admin и пароль: admin

Шаг 1. Войдите в личный кабинет.

Шаг 2. В личном кабинете откройте вкладку «Сотрудники».