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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.
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  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.
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  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.
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  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 LED Instructions on page  Web User Interface on page  Call Forward on page …

• Page 7: Table Of Contents

  Table of Contents About This Guide …………..v In This Guide ……………………. v Summary of Changes ………………….v Changes for Release 80, Guide Version 80.60 ………….. v Table of Contents …………..vii Overview ……………… 1 Hardware Component Instructions ………………1 Icon Instructions ……………………

• Page 8: Table Of Contents

  User Guide for the SIP-T21(P) E2 IP Phone Volume ……………………..29 Ring Tones ……………………29 Contact Management ………………….. 31 Directory……………………… 31 Local Directory …………………… 33 Blacklist ……………………..43 Remote Phone Book ………………….45 Call History Management ………………..47 System Customizations …………………. 49 Logo Customization ………………….

• Page 9: Table Of Contents

  Table of Contents Busy Lamp Field (BLF) ………………… 105 BLF List ……………………..107 Call Recording ……………………109 Hot Desking ……………………111 Intercom ……………………..112 Outgoing Intercom Calls ………………..112 Incoming Intercom Calls ………………..113 Using Intercom ………………….114 Multicast Paging ………………….. 115 Sending RTP Stream …………………

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  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…
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  Overview Icons appearing on the LCD screen are described in the following table: Icon Description Network is unavailable The private line registers successfully Register failed Registering The shared/bridged line registers successfully 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…
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  User Guide for the SIP-T21(P) E2 IP Phone Icon Description Call Hold Ringer volume is 0 Phone Lock 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 The ACD state is available…
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  Overview Power Indicator LED LED Status Description Solid red The phone is initializing. Fast flashing red (300ms) The phone is ringing. Slow flashing red (1s) The phone receives a voice mail or text message. The phone is powered off. The phone is idle. The phone is busy.
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  User Guide for the SIP-T21(P) E2 IP Phone Line key LED (associated with a shared line) The local SCA phone indicates the phone is involved in a SCA call, while the monitoring SCA phone indicates the phone is not involved in the SCA call. LED Status Description The shared line is idle.

• Page 17: User Interfaces

  Overview Two ways to customize configurations of your SIP-T21(P) E2 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.

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  User Guide for the SIP-T21(P) E2 IP Phone Options Phone User Interface Web User Interface —Backlight √ —Language √ —Time & Date √ —Administrator Password √ —Key as Send √ —Phone Lock √ —Ring Tones √ —Contact Management —Directory —Local Directory √…

• Page 19: Documentations

  Basic call features On the website/In Quick Start Guide and phone English the package customizations Phone/Web user interface settings User Guide Basic call features On the website English and advanced phone features Note You can also download the latest documentations online: http://support.yealink.com/documentFront/forwardToDocumentDetailPage?documentId=…

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

• Page 21: Getting Started

  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 22: Optional Accessories

  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 16. 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…
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  Connect the network and power You have two options for power and network connections. Your system administrator will advise you which one to use. AC power  Power over Ethernet (PoE)  Note PoE is not applicable to the SIP-T21 E2 IP phone.

• Page 25: Power Over Ethernet

  Getting Started 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. 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.

• Page 26: Phone Initialization

  User Guide for the SIP-T21(P) E2 IP Phone After your phone is powered on, the system boots up and performs the following steps: Automatic Phone Initialization The phone finishes the initialization by loading the saved configuration. The LCD screen displays “Welcome Initializing…please wait” during this process. DHCP (Dynamic Host Configuration Protocol) The phone attempts to contact a DHCP server in your network to obtain valid IPv4 network settings (e.g., IP address, subnet mask, default gateway address and DNS…

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  Getting Started Enter the user name (admin) and password (admin) in the login page. Click Confirm to login. The phone status is displayed on the first page of the web user interface. If your phone cannot contact a DHCP server for any reason, you need to configure network settings manually.
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  User Guide for the SIP-T21(P) E2 IP Phone Press , or the Switch soft key to select IPv4, IPv6 or IPv4 & IPv6 from the IP Mode field. Press the Save soft key to accept the change or the Back soft key to cancel. To configure a static IPv4 address via phone user interface: Press Menu->Settings->Advanced Settings (default password: admin) ->Network->WAN Port.
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  Getting Started If you are using an xDSL modem, you can connect your phone to the Internet via PPPoE mode. Set the WAN port as a PPPoE port. The PPPoE port will perform a PPP negotiation to obtain the IP address. Contact your system administrator for the PPPoE user name and password.

• Page 30: Idle Screen

  User Guide for the SIP-T21(P) E2 IP Phone The idle screen displays the label of current account, time and date, and four soft keys.

• Page 31: Customizing Your Phone

  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.

• Page 32: Backlight

  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 33: 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.

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  User Guide for the SIP-T21(P) E2 IP Phone Enter the domain names or IP addresses of SNTP server in the NTP Server1 and NTP Server2 fields respectively. Press , or the Switch soft key to select the desired value from the Daylight Saving field.

• Page 35: Administrator Password

  Customizing Your Phone There are 7 available date formats. For example, for the date format “WWW DD MMM”, “WWW” represents the abbreviation of the weekday, “DD” represents the two-digit day, and “MMM” represents the first three letters of the month. The date formats available: Date Format Example (2015-05-16)

• Page 36: Phone Lock

  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 39: Volume

  Customizing Your Phone Press the Save soft key to accept the change. 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.

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  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.

• Page 41: Directory

  Customizing Your Phone In the Upload Ringtone field, click Browse to locate a ring tone (the file format must be *.wav) file from your local system. Click Upload to upload the file. Note The priority of ring tone for an incoming call on the phone is as follows: Contact ring tone (refer to Adding Contacts) >Group ring tone (refer to…

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  User Guide for the SIP-T21(P) E2 IP Phone To remove a list from the Enabled column, select the desired list and then click To adjust the display order of enabled lists, select the desired list and then click The LCD screen displays the list(s) in the adjusted order. Click Confirm to accept the change.

• Page 43: Local Directory

  Customizing Your Phone The built-in phone directory can store the names and phone numbers of your contacts. You can store up to 1000 contacts and 48 groups in your phone’s local directory. You can add new groups and contacts, edit, delete or search for a contact, or simply dial a contact number from the local directory.

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  User Guide for the SIP-T21(P) E2 IP Phone To edit a group 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 45: Adding Contacts Manually

  Customizing Your Phone The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default. If Local Directory is removed from the , press Menu->Directory->Local directory Directory to enter the local directory. Select the desired group.

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  User Guide for the SIP-T21(P) E2 IP Phone The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default. If Local Directory is removed from the , press Menu->Directory->Local directory Directory to enter the local directory. Select the desired contact group and then press the Enter soft key.
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  Customizing Your Phone Press the Option soft key, and then select Add to Contacts. Press the OK soft key, and then edit the contact name. Press the Save soft key to accept the change. The entry is successfully saved to the local directory. Adding Contacts from Remote Phone Book To add a contact to the local directory from remote phone book: Press Menu->Directory->Remote Phone Book.
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  User Guide for the SIP-T21(P) E2 IP Phone Directory to enter the local directory. 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 Detail. Press to highlight the contact information and then edit.
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  Customizing Your Phone Delete All. To place a call to a contact from the local directory: Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default. If Local Directory is removed from the , press Menu->Directory->Local directory…
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  User Guide for the SIP-T21(P) E2 IP Phone Directory to enter the local directory. Press the Search soft key. Enter a few continuous characters of the contact name or continuous numbers of the contact number (office, mobile or other number) using the keypad. The contacts whose name or phone number matches the characters entered will appear on the LCD screen.
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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.
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  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 53: Blacklist

  Customizing Your Phone Select the contact information you want to import into the local directory from the pull-down list of Index. At least one item should be selected to be imported into the local directory. Click Import to complete importing the contact list. To export a contact list via web user interface: Click on Directory->Local Directory.

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  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 55: 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 Press the Back soft key to back to the previous screen. 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.
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  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.
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  User Guide for the SIP-T21(P) E2 IP Phone Press to select the desired entry. 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.
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  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 60: 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 61
  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…

• Page 62: 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 Programable Keys.

• Page 63
  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.
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  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)
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  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.
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  User Guide for the SIP-T21(P) E2 IP Phone (DND) on page 81. 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 69
  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.
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  User Guide for the SIP-T21(P) E2 IP Phone Customize specific features for these keys. (Optional.) Enter a string that will appear on the LCD screen in the Label field. Label is configurable only when customizing SoftKey 1-4. Click Confirm to accept the change. You can click Reset to default to reset custom settings to defaults.
• Page 71
  Customizing Your Phone To register an account via phone user interface: Press Menu->Settings->Advanced Settings (default password: admin) ->Accounts. Select the desired account and then press the Enter soft key. Select Enabled from the Active Line field. Enter the desired values in Label, Display Name, Register Name, User Name, Password and SIP Server1/2 fields respectively.

• Page 72: 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 73
  Customizing Your Phone The “$” should be followed by the sequence number of a parenthesis. The “$” plus the sequence number means the whole character or characters placed in the parenthesis. The number directs to the right parenthesis when there are more than one. Example: A replace rule configuration, Prefix: «001(xxx)45(xx)», Replace: «9001$145$2».
• Page 74
  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 75
  Customizing Your Phone For more information on the valid values of Account field, refer to Replace Rule page 63. 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 76
  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. Delay time for dial-now rule is configurable via web user interface only. Note Area codes are also known as Numbering Plan Areas (NPAs).
• Page 77
  Customizing Your Phone For more information on the valid values of Account field, refer to Replace Rule page 63. Click Confirm to accept the change. Note The default value of minimum and maximum length is 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 78: 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 63. 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 79: 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 feature on the SIP-T21(P) E2 IP phone, which enables the IP phone to automatically dial out a phone number without pressing the send key.

• Page 80: Hotline

  User Guide for the SIP-T21(P) E2 IP Phone 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. You can also configure a delay, and then the phone will dial out the hotline number automatically after the designated period of time.

• Page 81: 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 82
  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 83
  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 84
  User Guide for the SIP-T21(P) E2 IP Phone When you are not in another call, you can answer a call in one of three ways: 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.

• Page 85: Recent Call In Dialing

  Basic Call Features The incoming call is answered and the original call is placed on hold. Press to access the new call. Press or the Answer soft key. 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.

• Page 86: Auto Answer

  User Guide for the SIP-T21(P) E2 IP Phone Select Enabled from the pull-down list of Recent Call In Dialing. Click Confirm to accept the change. Note Recent call in dialing is configurable via web user interface only. To view placed calls list when the phone is in the pre-dialing screen: Pick up the handset, press the speakerphone or press the line key.

• Page 87: Auto Redial

  Basic Call Features Press , or the Switch soft key to select Enabled from the Status field. Press the Save soft key to accept the change or the Back soft key to cancel. icon appears on the LCD screen. 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.

• Page 88: Call Completion

  User Guide for the SIP-T21(P) E2 IP Phone Press the Save soft key to accept the change or the Back soft key to cancel. Auto redial is configurable via web user interface at the path Features->General Information. To use auto redial: When the called party is busy, the LCD screen prompts the following: Press the OK soft key to activate auto redial.

• Page 89: Recall

  Basic Call Features Call completion is configurable via web user interface at the path Features->General Information. To use call completion: When the called party is busy, the following prompt will appear on the LCD screen of the phone: Press the OK soft key, the phone returns to the idle screen and call completion is activated.

• Page 90: Call Mute

  User Guide for the SIP-T21(P) E2 IP Phone Press , or the Switch soft key to select ReCall from the Key Type field. Press the Save soft key to accept the change or the Back soft key to cancel. Recall key is configurable via web user interface at the path DSSKey->Line Key. You can mute the microphone of the active audio device during an active call so that the other party cannot hear you.

• Page 91
  Basic Call Features The line key LED flashes green. The LCD screen indicates that the call is on hold. Note The phone will beep softly every 30 seconds to remind you that you still have a call on hold. To resume a held call: Press the Resume soft key.
• Page 92
  User Guide for the SIP-T21(P) E2 IP Phone To configure the DND mode via web user interface: Click on Features->Forward & DND. 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.
• Page 93
  Basic Call Features Incoming calls will be rejected automatically and «n New Missed Call(s)» («n» indicates the number of missed calls)will appear on the LCD screen. Note When DND and busy forward are enabled in phone mode, calls will be sent to the configured destination number.

• Page 94: Call Forward

  User Guide for the SIP-T21(P) E2 IP Phone Incoming calls on the specific line will be rejected automatically, and the LCD screen will prompt «n New Missed Call(s)» («n» indicates the number of missed calls). Note When DND and busy forward are both enabled for a specific account, calls to the specific account will be sent to the configured destination number.

• Page 95
  Basic Call Features For multiple numbers, enter a comma between every two numbers. 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.
• Page 96
  User Guide for the SIP-T21(P) E2 IP Phone You can enable/disable call forward for the phone system, or you can customize call forward for each or all accounts. Two call forward modes: Phone (default): Call forward is effective for the phone system. …
• Page 97
  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 98
  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 99
  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 100
  User Guide for the SIP-T21(P) E2 IP Phone c.) If you select No Answer Forward, you can enable it for a specific account. 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.
• Page 101
  Basic Call Features To configure the forward authorized numbers via web user interface: Click on Features->Forward & DND. Select Enabled from the pull-down list of Forward Emergency. Enter the numbers in the Forward Authorized Numbers field. For multiple numbers, enter a comma between every two numbers. Click Confirm to accept the change.

• Page 102: Call Transfer

  User Guide for the SIP-T21(P) E2 IP Phone Press to select the desired account and then press the Enter soft key. 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 103: Call Waiting

  Basic Call Features Do one of the following: 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. Refer Directory on page for more information). Press the Dir soft key, and then select History.

• Page 104: Conference

  User Guide for the SIP-T21(P) E2 IP Phone when there is an active call on the phone. You can also enable or disable the phone to play a warning tone when receiving another call. To configure call waiting via phone user interface: Press Menu->Features->Call Waiting.

• Page 105: Network Conference

  Basic Call Features parties in the conference. You can press to see all parties in the conference. To join two calls in a conference: Place two calls using two different accounts on the phone (for example, place the first call using account 1, and then place the second call using account 2). Press to select the call for conference and ensure that the call is active (for example, select the call on account 1).

• Page 106
  User Guide for the SIP-T21(P) E2 IP Phone To configure network conference via web user interface: Click on Account->Advanced. Select the desired account from the pull-down list of Account. Select Network Conference from the pull-down list of Conference Type. Enter the conference URI (e.g., conference@example.com) in the Conference URI field.

• Page 107: Call Park

  Basic Call Features You can use call park feature to place a call on hold, and then retrieve the call from another phone in the system (for example, a phone in another office or conference room). You can park an active call by pressing the call park key on the phone. If the call is parked successfully, the response is either a voice prompt confirming that the call was parked, or a visible prompt on the LCD screen.

• Page 108: 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 109
  Basic Call Features To configure the directed call pickup code on a per-line basis via web user interface: Click on Account->Advanced. Select the desired account from the pull-down list of Account. Enter the directed call pickup code in the Directed Call Pickup Code field. Click Confirm to accept the change.

• Page 110: Group Call Pickup

  User Guide for the SIP-T21(P) E2 IP Phone You can also configure a DSS key as a direct pickup key via phone user interface or web user interface. Once configured, you can pick up a call by pressing the directed pickup key directly.

• Page 111
  Basic Call Features Enter the group call pickup code in the Group Call Pickup Code field. Click Confirm to accept the change. To pick up a call in the group: Pick up the handset, press the speakerphone or press the line key. The GPickup soft key appears on the LCD screen.

• Page 112: Anonymous Call

  User Guide for the SIP-T21(P) E2 IP Phone You can use anonymous call to block your identify and phone number from appearing to the called party when you call someone. For example, you want to call to consult some services, but don’t want to be harassed. Anonymous call is configurable on a per-line basis.

• Page 113: Anonymous Call Rejection

  Basic Call Features 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. Anonymous call rejection is configurable on a per-line basis.

• Page 114
  User Guide for the SIP-T21(P) E2 IP Phone…

• Page 115: Led Instructions On

  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 BLF from the Type field. 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.

• Page 117: Blf List

  Advanced Phone Features The BLF key LED flashes red.  The caller ID appears on the LCD screen (if enabled).  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.

• Page 118
  User Guide for the SIP-T21(P) E2 IP Phone in and set up a conference call. Before barging in an active call, ensure that the barge-in code has been configured in advance. If the BLF list barge in code is not configured, the phone will place a call to the monitored user instead of barging in an active call of the monitored user when you press the BLF List key.

• Page 119: Call Recording

  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 Pickup 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 URL Record from the Type field. Enter the URL (e.g., http://10.1.2.224/phonerecording.cgi) in the Value field. Press the Save soft key to accept the change or the Back soft key to cancel. Record and URL record keys are configurable via web user interface at the path DSSKey->Line Key.

• Page 121: Hot Desking

  Advanced Phone Features You can listen to the recordings stored on your server system. For example, you can dial an access code to listen to the recordings. Note The way in which you listen to the recordings may be different depending on the server. Contact your system administrator for more information.

• Page 122: Intercom

  User Guide for the SIP-T21(P) E2 IP Phone The LCD screen prompts the following warning: Press the OK soft key, registration configurations of all accounts on the phone will be cleared immediately. The login wizard will be displayed as below: Enter the login information in each field.

• Page 123: Incoming Intercom Calls

  Advanced Phone Features Press , or the Switch soft key to select Intercom from the Type field. Select the desired line from the Account ID field. Enter the target extension number in the Value field. Press the Save soft key to accept the change or the Back soft key to cancel. Intercom key is configurable via web user interface at the path DSSKey->Line Key.

• Page 124
  User Guide for the SIP-T21(P) E2 IP Phone Intercom Mute You can mute or un-mute the phone’s microphone for intercom calls automatically. If Intercom Mute is enabled, the microphone will be muted for intercom calls. If Intercom Mute is disabled, the microphone will work for intercom calls. Intercom Mute is disabled by default.

• Page 125: Multicast Paging

  Advanced Phone Features the speakerphone mode by default. To end the intercom call, press the intercom key again or the EndCall soft key. You can use multicast paging to quickly and easily broadcast time sensitive announcements to users who are listening to a specific multicast group. You can configure a multicast paging key or the paging list key on the phone, which allows you to send a Real Time Transport Protocol (RTP) stream to the pre-configured multicast address(es) without involving SIP signaling.

• Page 126
  User Guide for the SIP-T21(P) E2 IP Phone Press , or the Switch soft key to select Paging List from the Key Type field. Press the Save soft key to accept the change or the Back soft key to cancel. Paging list key is configurable via web user interface at the path DSSKey->Line Key.
• Page 127
  Advanced Phone Features Press the Option soft key and then select Delete. The LCD screen prompts “Delete selected paging group?”. Press the OK soft key to accept the change or the Cancel soft key to cancel. If you want to delete all paging groups, you can press the Del All soft key. You can also configure the phone to use a default codec for sending multicast RTP stream via web user interface.
• Page 128
  User Guide for the SIP-T21(P) E2 IP Phone You can configure the phone to receive a Real Time Transport Protocol (RTP) stream from the pre-configured multicast address(es) without involving SIP signaling. You can specify up to 10 multicast addresses that the phone listens to on the network. How the phone handles incoming multicast paging calls depends on Paging Barge and Paging Priority Active parameters configured via web user interface.
• Page 129
  Advanced Phone Features Label will appear on the LCD screen when receiving the multicast RTP stream. Click Confirm to accept the change. Note The priorities of listening addresses are predefined: 1 with the highest priority, 10 with the lowest. Multicast listening addresses are configurable via web user interface only. To configure paging barge and paging priority active features via web user interface: Click on Directory->Multicast IP.
• 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: Music On Hold

  Advanced Phone Features 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 EndCall soft key. Music on hold (MoH) is the business practice of playing recorded music to fill the silence that would be heard by the party placed on hold.

• Page 132
  User Guide for the SIP-T21(P) E2 IP Phone ACD is often used in offices for customer service, such as call center. The ACD system handles large volumes of incoming calls from callers who have no need to talk to a specific person but who require assistance from any of multiple persons at the earliest opportunity.
• Page 133
  Advanced Phone Features After configuring an ACD key, you can press the ACD key to log into the ACD system After logging in, you are ready to receive calls from the . You can press the ACD system ACD key to show your current ACD user status. You can press the Avail/Unavail soft key to change your ACD user status.
• Page 134
  User Guide for the SIP-T21(P) E2 IP Phone line key 2 for the account 4603_1, phone C registers the account 4604. To configure the auto linekeys feature via web user interface: Click on Features-> General Information. Select Enabled from the pull-down list of Auto LineKeys. Auto LineKeys is you can automatically assign multiple DSS keys with enabled,…
• Page 135
  Advanced Phone Features To configure the shared line settings and the number of line key on phone A via web user interface: Register the primary account 4603. Click on Advanced, and then select Shared Call Appearance from the pull-down list of Shared Line. Enter the desired number in the Number of line key field.
• Page 136
  User Guide for the SIP-T21(P) E2 IP Phone The default value is 1. In this example, the value is set to 2. Click Confirm to accept the change. The phone A will automatically configure the line keys from the first unused DSS key, according to the configured number in the Number of line key field.
• Page 137
  Advanced Phone Features (Enter the primary account 4603 in the Register Name field.) Click on Advanced, and then select Shared Call Appearance from the pull-down list of Shared Line. Enter the desired number in the Number of line key field. This field appears only if Auto Linekeys is enabled.
• Page 138
  User Guide for the SIP-T21(P) E2 IP Phone The default value is 1. In this example, the value is set to 2. Click Confirm to accept the change. The phone B will automatically configure the line keys from the first unused DSS key, according to the configured number in the Number of line key field.
• Page 139
  Advanced Phone Features Select Private Hold from the Unselected Softkeys column and then click The Private Hold appears in the Selected Softkeys column. Click Confirm to accept the change. To configure a private hold key via phone user interface: Press Menu->Features->DSS Keys. Select the desired DSS key.
• Page 140
  User Guide for the SIP-T21(P) E2 IP Phone Enter the call pull feature access code (e.g., *11) in the Call Pull Feature Access Code field. Click Confirm to accept the change. The phone will dial out “*11” automatically when you press the CallPull soft key. This section provides you with detailed information on using the SIP-T21(P) E2 IP phone in a SCA Hybrid Key System scenario.
• Page 141
  Advanced Phone Features To place a call on the shared line: Do one of following: Enter the desired number using the keypad when the phone is idle. Press , or the Send soft key. The phone will dial the entered number using the first line key. Press the line key when the phone is idle to enter the pre-dialing screen.
• Page 142
  You can answer the incoming call on either phone A or phone B. The LCD screen of phone A displays the information of the incoming call (e.g., ”Incoming call: 4604 Yealink”). Note Make sure call waiting feature is enabled on phone A. For more information, refer to…
• Page 143
  Advanced Phone Features To place a call on public hold: Press the Hold soft key on phone A when party A and party C are talking. The line key LEDs on phone A slow flash green and phone B slow flash red when the shared line call is placed on hold.
• Page 144
  User Guide for the SIP-T21(P) E2 IP Phone Long press the desired line key. The Cancel, CallPull, NewCall and Retrieve soft keys appear on the LCD screen. Press the Retrieve soft key to retrieve the call. The conversation is established between phone B and phone C, phone A disconnects the call.
• Page 145
  Advanced Phone Features key, the conference call is ended. You can also press the line key with the solid red LED indicator on phone B to set up a conference call with the other parties in the active call. If phone A has more than one call, do the following: Long press the desired line key on phone B.
• Page 146
  User Guide for the SIP-T21(P) E2 IP Phone To retrieve a call from another shared phone: If there is an active call between phone A and phone C, do the following: Long press the desired line key on phone B. The Cancel, CallPull, NewCall and Barge In soft keys appear on the LCD screen of phone B.
• Page 147
  Advanced Phone Features Any IP phone can be used to originate or receive calls on the bridged line. An incoming call to the BLA number can be presented to multiple phones in the group simultaneously. The incoming call can be answered on any IP phone of the group but not all. You can share a BLA number on two or more phones.
• Page 148
  User Guide for the SIP-T21(P) E2 IP Phone To register account and configure BLA feature on phone A via web user interface: Register the account 14019833020. Click on Advanced, and then select Draft BLA from the pull-down list of Shared Line.
• Page 149
  Advanced Phone Features Click Confirm to accept the change. To register account and configure BLA feature on phone B via web user interface: Register the account 10462190020. Click on Advanced, and then select Draft BLA from the pull-down list of Shared Line.
• Page 150
  User Guide for the SIP-T21(P) E2 IP Phone Enter the desired number in the BLA Number field. Click Confirm to accept the change. This section provides you with detailed information on using the SIP-T21(P) E2 IP phone in a BLA scenario. In a BLA scenario, the status of the line key LED which associates with a bridged line will change.
• Page 151
  Advanced Phone Features Press the line key when the phone is idle to enter the pre-dialing screen. Enter the desired number using the keypad and press , or the Send soft key. The phone will dial the entered number. To place multiple calls on the bridged line: You can have more than one call on the bridged line.

• Page 152: Messages

  User Guide for the SIP-T21(P) E2 IP Phone The line key LEDs on phone A slow flash green and phone B slow flash red when the bridged line call is placed on hold. If there is a held call between phone A and phone C, you can retrieve a held call on either phone A or phone B.

• Page 153
  Advanced Phone Features You can store text messages in your phone’s Inbox, Sentbox, Outbox or Draftbox. Each of the boxes can store up to 100 text messages. If the number of the text messages in one box is more than 100, the phone will directly delete the oldest text message in the box.
• Page 154
  User Guide for the SIP-T21(P) E2 IP Phone To reply a text message: Press Menu->Message->Text Message->Inbox. Select the desired message and press the Reply soft key. Compose the new text message. You can press the abc soft key to change the input mode.

• Page 155: Voice Mail

  Advanced Phone Features You can leave voice mails for someone else using the SIP-T21(P) E2 IP phone. You can also listen to voice mails that are stored in a voice mailbox. When receiving a new voice mail, the phone will play a warning tone, and the power indicator LED will slow flash red. The LCD screen will prompt that the phone receives a new message with the number of waiting voice mails (e.g., 34 new Voice Mail) and display an icon.

• Page 156: Message Waiting Indicator (Mwi)

  User Guide for the SIP-T21(P) E2 IP Phone To listen to voice mails: When the LCD screen prompts that the phone receives a new voice mail and the power indicator LED slow flashes red, you can press or the Connect soft key to dial out the voice mail access code.

• Page 157
  Advanced Phone Features Period of MWI subscription. The IP phone sends a MWI Subscription Period refresh SUBSCRIBE request before initial SUBSCRIBE expiration. Enable or disable a subscription to the voice mail number for MWI service. Subscribe MWI to Voice Mail To use this feature, you should also configure the voice mail number.
• Page 158
  User Guide for the SIP-T21(P) E2 IP Phone Select the desired account from the pull-down list of Account. Select Enabled from the pull-down list of Subscribe for MWI. 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 159: 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 160
  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 161
  Troubleshooting Activation/Deactivation on page 50. Check that the headset volume is adjusted to an appropriate level. Refer to Volume  on page 29. 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 162
  User Guide for the SIP-T21(P) E2 IP Phone How to change the user password? To change the user password via web user interface: Click on Security->Password. Select user from the pull-down list of User Type. Enter the new user password in the New Password field and Confirm Password field.
• Page 163
  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 164
  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 165
  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 166
  User Guide for the SIP-T21(P) E2 IP Phone How to reset the phone? Reset the phone to factory configurations after you have tried all troubleshooting suggestions but do not solve the problem. You need to note that all customized settings will be overwritten after reset.

• Page 167: 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 168
  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 169: 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 170
  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 171: Bridged Line Appearance (Bla)

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

• Page 172
  User Guide for the SIP-T21(P) E2 IP Phone Messages Time and Date Message Waiting Indicator Time Zones Multicast Paging Troubleshooting Music on Hold Voice Mail Network Conference Volume Network Connection No answer Forward Warranty Web User Interface Outgoing Intercom Calls WEEE Warning Overview Optional Accessories…

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».