Yealink T28P User Manual
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Yealink T28P User Manual

Yealink T28P User Manual

Enterprise ip phone
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U s e r G u i d e

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  • Page 1 T 2 8 P U s e r G u i d e...
  • Page 3 Copyright © 2012 YEALINK NETWORK TECHNOLOGY CO., LTD. Copyright © 2012 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 4 Note: This device is tested and complies with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

  • Page 6: About This Guide

    SIP-T28P IP phone. If this is your first time using the SIP-T28P IP phone, we recommend that you first refer to the Quick Installation Guide and Quick Reference Guide. Documents are available for download at: http://www.yealink.com/Support.aspx.
  • Page 7 User Guide SIP-T28P IP Phone Call Forward on page  Call Pickup on page  Busy Lamp Field (BLF) on page  Shared Line on page  BLF List on page ...

  • Page 8: Table Of Contents

    Table of Contents About This Guide ..............v In This Guide ......................... v Changes from Previous Versions ..................v Changes from Version 61.1 ....................v Table of Contents ..............vii Overview .................. 1 Hardware Component Instructions ..................1 Icon Instructions ........................3 LED Instructions ........................
  • Page 9 User Guide SIP-T28P IP Phone Volume ..........................27 Ring Tones ........................28 Contact Management ....................... 29 Local Directory ........................ 29 Blacklist ..........................34 Remote Phonebook ......................34 BroadSoft Phonebook ....................35 Call History Management ....................37 BroadSoft Call Log ......................38 System Customizations ......................

  • Page 10: Table Of Contents

    Table of Contents Busy Lamp Field (BLF) ....................... 91 BLF List ..........................94 Shared Line ......................... 95 Call Recording ........................97 Hot Desking ........................99 Intercom ..........................101 Outgoing Intercom Calls ....................101 Incoming Intercom Calls ....................101 Multicast Paging ....................... 103 Sending RTP Stream .....................
  • Page 11 User Guide SIP-T28P IP Phone...

  • Page 12: Overview

     LED Instructions  User Interfaces  Documentations  If you require additional information or assistance with your new phone, contact your system administrator. The main hardware components of the SIP-T28P IP phone are the LCD screen and the keypad.

  • Page 13: Time And Date

    User Guide SIP-T28P IP Phone Hardware component instructions of the SIP-T28P IP phone are: Item Description Shows information about calls, messages, soft keys, time, date and other relevant data: • Call information — caller ID, call duration ① LCD Screen •...
  • Page 14 Overview Icons appear on the phone LCD screen are described in the following table: Icons Description Network is unavailable Private line registers successfully Shared line registers successfully Registered 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...
  • Page 15 User Guide SIP-T28P IP Phone Icons Description Ringer volume is 0 Keypad Lock Received Calls Dialed Calls Missed Calls Recording box is full A call cannot be recorded Recording starts successfully Recording cannot be started Recording cannot be stopped...
  • Page 16 Overview Power Indicator LED LED Status Description Solid green The phone is powered on. The phone is ringing (Hardware version must be 1.0.0.1 Flashing green or higher). The phone is powered off. Line key LED (private line) LED Status Description Solid green The line is in conversation.
  • Page 17 User Guide SIP-T28P IP Phone There are two ways to customize specific configurations on your SIP-T28P IP phone: Using the user interface on the IP phone.  Using the user interface in an internet browser window from your PC. ...

  • Page 18: Administrator Password

    Overview Options Phone User Interface Web User Interface Basic Call Features --Auto Answer √ --Auto Redial √ --Call Completion √ --Call Forward √ --Call Waiting √ √ --Call Park √ --Call Pickup √ --Call Return √ --Conference --Anonymous Call √ --Anonymous Call Rejection √...
  • Page 19 User Guide SIP-T28P IP Phone Options Phone User Interface Web User Interface Advanced Phone Features --BLF √ --BLF List --Shared Line --Intercom √ √ --Call Recording √ --Hot Desking √ --Multicast Paging √ --Music on Hold --ACD √ --Messages √...
  • Page 20 Overview The following table shows documentations available for the SIP-T28P IP phone. Name Contents Where found Format/ Language Quick Installation Basic set up of the In the package PDF/English Guide phone Basic call features Quick Reference and phone In the package...
  • Page 21 User Guide SIP-T28P IP Phone...
  • Page 22 Basic Network Settings  Registration  Idle Screen  If you require additional information or assistance with your new phone, contact your system administrator. The following components are included in your SIP-T28P IP phone package: SIP-T28P IP phone  Phone Stand ...
  • Page 23 User Guide SIP-T28P IP Phone Power Adapter  Handset & Handset Cord  Ethernet Cable  Quick Installation Guide & Quick Reference Guide  CD-ROM  Check the list before installation. If you find anything missing, contact your system administrator.
  • Page 24 Getting Started If your phone is already installed, proceed to Phone Initialization on page 15. This section introduces how to install the phone with the components in the packaging contents: Attach the Stand  Connect the Handset and optional Headset ...

  • Page 25: Power Over Ethernet

    Connect the supplied Ethernet cable between the Internet port on the phone and the Internet port in your network or switch/hub device port. Power over Ethernet Using a regular Ethernet cable, the SIP-T28P IP phone can be powered from a PoE (IEEE 802.3af) compliant switch or hub.
  • Page 26 Getting Started To connect the PoE: Connect the Ethernet cable between the Internet port on the phone and an available port on the in-line power switch/hub. Note If in-line power is provided, you don’t need to connect the AC adapter. Make sure the Ethernet cable and switch/hub is PoE compliant.
  • Page 27 User Guide SIP-T28P IP Phone You can view the system status of your phone via phone user interface or web user interface. Available information of phone status includes: Network status including WAN port and LAN port information.  Phone status including device model, firmware version and MAC address.
  • Page 28 Getting Started Enter the parameters: IP , subnet mask, default gateway, primary DNS, second DNS in the corresponding fields. Press the Save soft key to accept the change or the Back soft key to cancel. If you are using an xDSL modem, you can connect your phone to the Internet via PPPoE mode.
  • Page 29 User Guide SIP-T28P IP Phone If the phone has successfully started up, the idle screen will appear on the phone LCD screen as shown below. The idle screen shows time and date, label of each account, logo and the four soft keys.

  • Page 30: Audio Settings

    Customizing Your Phone You can customize your SIP-T28P IP phone by configuring the setting for time and date, display contrast, and ring tones, for example. You can add contacts to the phone’s local directory manually or from call history. You can also handle incoming calls from different contacts in different ways.

  • Page 31: Backlight

    User Guide SIP-T28P IP Phone Press the Save soft key to accept the change or the Back soft key to cancel. You can also configure contrast via web user interface at the path Phone->Preference. You can configure the backlight status on the LCD screen as the following types: Always Off: Backlight is turned off completely.
  • Page 32 Customizing Your Phone The default language of the phone user interface is English. The phone will detect and use the same language as which of your internet browser for the web user interface. If the language of your internet browser is not supported by the phone, the web user interface will use English by default.
  • Page 33 User Guide SIP-T28P IP Phone To configure the SNTP settings via phone user interface: Press Menu->Settings->Basic Settings->Time & Date->SNTP Settings. Press , or the Switch soft key to select the time zone that applies to your area from the Time Zone field. The default time zone is "+8 China(Beijing)".
  • Page 34 Customizing Your Phone Press , or the Switch soft key to select the desired time format from the Clock field. Press , or the Switch soft key to select the desired date format from the Date Format field. Press the Save soft key to accept the change or the Back soft key to cancel. There are 7 available date formats, for example, the date format "WWW DD MMM", "WWW"...
  • Page 35 User Guide SIP-T28P IP Phone Enter the new password in the New PWD field. Enter the new password again in the Confirm PWD field. Press the Save soft key to accept the change or the Back soft key to cancel.
  • Page 36 Customizing Your Phone configured. A new text message can also be viewed and deleted. Function Keys: The function keys are locked. You cannot use the MESSAGE, RD, CONF , HOLD, MUTE, TRAN, OK, X, navigation keys, soft keys, line keys and memory keys until unlocked. All Keys: All keys are locked, except the Volume key.
  • Page 37 User Guide SIP-T28P IP Phone To activate the keypad lock via phone user interface: Press Menu->Settings->Advanced Settings (password: admin) ->Phone Settings-> Lock. Press , or the Switch soft key to select the desired type from the Keypad Lock field. Press the Save soft key to accept the change.

  • Page 38: Volume

    Customizing Your Phone Click Confirm to accept the change. Note The default time out is 0 seconds, that is, you can long press to lock the keypad only. the time out for automatic keypad lock You can configure via web user interface only. To unlock the keypad via phone user interface: Press any locked key, the LCD screen prompts “Please Enter PIN”.

  • Page 39: Ring Tones

    User Guide SIP-T28P IP Phone To adjust the volume: Press to adjust the ringer volume when the phone is in the idle screen. When the phone is during a call, press to adjust the volume of currently used audio device (handset, speakerphone or headset).

  • Page 40: Local Directory

    Customizing Your Phone To select a ring tone for the phone via web user interface: Click on Phone->Preference. Select the desired ring tone from the pull-down list of Ring Tone. Click Confirm to accept the change. To select a ring tone for the account via web user interface: Click on Account.

  • Page 41: Adding Contacts Manually

    User Guide SIP-T28P IP Phone You can add contacts to your local directory in the following ways: Manually  From call history  From remote phonebook  Adding Contacts Manually To add a contact to the local directory manually: Press Directory->Local Directory.

  • Page 42: Adding Contacts From Remote Phonebook

    Customizing Your Phone Press the Option soft key, and then select Add to Contacts from the prompt list. Enter the contact name. Press the Save soft key to accept the change. The entry is successfully saved in the local directory. Adding Contacts from remote phonebook To add a contact to the local directory from the remote phonebook: Press Directory->Remote Phone Book.
  • Page 43 User Guide SIP-T28P IP Phone Press to highlight the contact information and then edit. Press the Save soft key to accept change or the Back soft key to cancel. To delete a contact from the local directory: Press Directory->Local Directory->Contacts.
  • Page 44 Customizing Your Phone contact phone number using the keypad. Press the OK soft key. The contacts whose name or phone number matches the characters entered will appear on the LCD screen. You can dial from the result list. You can manage your phone’s local directory via phone or web user interface. But you can only import or export the contact list via web user interface.
  • Page 45 User Guide SIP-T28P IP Phone The built-in phone directory stores the names and phone numbers of the blacklist. You can store up to 30 contacts in your phone’s blacklist directory. You can add, edit, delete or search for a contact in the blacklist directory. You can also dial a contact in the blacklist directory, but an incoming call from the blacklist directory will be rejected automatically.
  • Page 46 Customizing Your Phone To place a call from the corporate directory: Press Directory->Remote Phone Book. Select the desired remote group, and then press the Enter soft key to load the corporate directory. Select the desired contact in the corporate directory. Press the Dial soft key.
  • Page 47 User Guide SIP-T28P IP Phone To configure the BroadSoft phonebook via web user interface: Click on Contacts->BroadSoft. Select the desired BroadSoft item from the pull-down list of BroadSoft Item. Enter the parameters: display name, server address, port, username and password in the corresponding fields.
  • Page 48 Customizing Your Phone The SIP-T28P IP phone maintains call history lists of Dialed Calls, Received Calls, Missed Calls and Forwarded Calls. The call history lists support to store 100 entries in all. You can check the call history, dial a call, add a contact or delete an entry from the call history list.
  • Page 49 User Guide SIP-T28P IP Phone Press to select the desired entry. Press the Option soft key, and then select Add to Contacts (or Add to Blacklist) from the prompt list. Enter the desired values in the corresponding fields. And then press the Save soft key.
  • Page 50 Customizing Your Phone To configure the BroadSoft call log via phone user interface: Press Menu->Features->Broadsoft Settings Menu->CallLog Settings. Press , or the Switch soft key to select the desired call log item from the CallLog Item field. Enter the parameters: display name, server address, port, username and password in the corresponding fields.

  • Page 51: Broadsoft Call Log

    User Guide SIP-T28P IP Phone The phone connects to load the BroadSoft call log, and then displays the desired call log list on the LCD screen. Press the Back soft key to back to the previous interface. To check the BroadSoft call log: Press Menu->History Type->Network CallLog.

  • Page 52: Headset Use

    Customizing Your Phone 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 Phone->Features->General Information>>. Select Custom Logo from the pull-down list of Use Logo. Click Browse to select the logo file from your local system.
  • Page 53 The details will be introduced as following. The use of line keys and memory keys are almost the same. The SIP-T28P IP phone supports 10 memory keys and 6 line keys. You can assign predefined functionalities to the memory keys located on the right of the phone.
  • Page 54 Customizing Your Phone Select the desired key type from the Type field. (Optional.) Select the desired key event type from the Key Type field. (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.
  • Page 55 User Guide SIP-T28P IP Phone Line You can use this key feature to accept the incoming calls, place active calls on hold or resume a held call. It performs the same as a hard line key. Type (Line) Dependencies: Account ID (the account this feature will be applied to) Usage: When receiving an incoming call, the DSS key LED flashes green: Press the DSS key to accept the incoming call.
  • Page 56 Customizing Your Phone Group Pickup You can use this key feature to answer incoming calls in a group that is associated with their own group. Type (Key Event) Dependencies: Key Type (Group Pickup) 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.
  • Page 57 User Guide SIP-T28P IP Phone XML Group You can use this key feature to access the remote group in your corporate directory quickly. You should configure the remote phonebook in advance. For more information, refer to Remote Phonebook on page 34.

  • Page 58: Call Forward On

    Customizing Your Phone Name field. Conference You can use this key feature to set up a conference call. For more information, refer to Conference on page 81. Type (Key Event) Dependencies: Key Type (Conf) Value (the number you want to add to the conference) Usage: Press the DSS key during an active call to set up a conference with the number specified in the Value field.
  • Page 59 User Guide SIP-T28P IP Phone call to the number specified in the Value field. Note You can configure the transfer mode on DSS key via web user interface at the path Phone->Features->Transfer Settings. For more information on how to configure the...
  • Page 60 Customizing Your Phone Select an entry and press the DSS key again to redial the call. You can use this key feature to access the text message feature quickly. For more information, refer to Short Message Service (SMS) on page 108. Type (Key Event) Dependencies: Key Type (SMS)
  • Page 61 User Guide SIP-T28P IP Phone Usage: Press the DSS key when there is an active call on the shared line. The active call is placed on private hold. Press the DSS key again to retrieve the private held call. Note When the DSS key is used in the private line, it performs the same as the HOLD key or the Hold soft key during a call.
  • Page 62 Note You can configure the programmable keys via web user interface only. You can register one or multiple accounts on the SIP-T28P IP phone. You can also configure each line key associated with an account or configure multiple line keys associated with an account.
  • Page 63 User Guide SIP-T28P IP Phone Press the Save soft key to accept the change or the Back soft key to cancel. Repeat steps 2 to 5 until you have registered all accounts. The following figures show single or multiple accounts registered on the phone:...

  • Page 64: Dial Plan

    Your phone can be configured to have a combination of lines with a single line key and lines with multiple line keys. Dial plan is a string of characters that governs the way your SIP-T28P IP phone processes the inputs received from your phone keypad. The SIP-T28P IP phone supports the...
  • Page 65 User Guide SIP-T28P IP Phone “$” 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: Number: "9([5-7]) (.)", Replace: "5$2". When you enter "96123"...
  • Page 66 Customizing Your Phone To delete one or more replace rules via web user interface: Click on Phone->Dial Plan->Replace Rule>>. Select the one or more replace rules by checking the check box(es). Click Delete to delete the replace rule(s). You can configure one or more dial-now rules on your phone. When the dialed out number matches the dial-now string, the number will be dialed out automatically.

  • Page 67: Emergency Number

    User Guide SIP-T28P IP Phone To configure the area code and lengths via web user interface: Click on Phone->Dial Plan->Area Code>>. Enter the desired values in the Code, Minimum Length (1-15) and Maximum Length (1-15) fields. Enter the desired line ID in the Account field or leave it blank.

  • Page 68: Hot Line

    Customizing Your Phone You can enable the live dialpad feature on the SIP-T28P IP phone, which enables the IP phone to automatically dial out the phone number without pressing any other key. You can also configure a period of time before automatically dialing out the phone number.
  • Page 69 User Guide SIP-T28P IP Phone...

  • Page 70: Ending Calls

    Basic Call Features The SIP-T28P 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.
  • Page 71 User Guide SIP-T28P IP Phone 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 search the call history, the local contact directory or the remote phonebook and dial from the search results.

  • Page 72: Do Not Disturb (Dnd)

    41. To place multiple calls: You can have more than one call on your SIP-T28P IP phone. To place a new call during an active call, do one of the following: Press the line key. The active call is placed on hold.
  • Page 73 User Guide SIP-T28P IP Phone Answering When Not in Another Call In all cases, the active call will appear on the LCD screen showing call duration and destination. To answer a call using the handset: Pick up the handset. To answer a call using the hands-free speakerphone mode:...
  • Page 74 Basic Call Features If you are using the speakerphone, press or the Cancel soft key. Note To end a call placed on hold, you can press the Cancel soft key to end the call directly, or press the Resume soft key to resume the call before ending it. To redial the last placed call from your phone: Press twice.
  • Page 75 User Guide SIP-T28P IP Phone Press the Save soft key to accept the change or the Back soft key to cancel. icon appears on the LCD screen. You can also configure auto answer via web user interface at the path Account.
  • Page 76 Basic Call Features To use auto redial: When the called party is busy, the following prompt will appear on the LCD screen of the phone: Press the OK soft key to activate auto redial. The following prompt will appear on the LCD screen of the phone: Wait for a period of time or press the OK soft key to redial the phone number.
  • Page 77 User Guide SIP-T28P IP Phone Press , or the Switch soft key to select Enable from the Call Completion field. Press the Save soft key to accept the change or the Back soft key to cancel. You can also configure call completion via web user interface at the path Phone->Features->General Information>>.
  • Page 78 Basic Call Features Press the OK soft key to redial the number. Note The call completion feature is not available on all servers. For more information, contact your system administrator. You can press a call return key to place a call back to the last incoming call. To configure a call return key via phone user interface: Press Menu->Features->DSS Keys->Memory Keys (or Line Keys).
  • Page 79 User Guide SIP-T28P IP Phone The phone LCD screen indicates that the call is on mute. To un-mute a call: Press again to un-mute the call. You can place an active call on hold. At any time, at most one active call can be in progress on your phone, other calls can be received and made while placing the original call on hold.
  • Page 80 Basic Call Features If more than two calls are on hold, an indication appears on the LCD screen, for example "2/4", indicating that this is the second call out of four calls. If multiple calls are on hold on more than one line keys, you can view the details of the calls by pressing the corresponding line key, and then press the Resume soft key to retrieve the call.
  • Page 81 User Guide SIP-T28P IP Phone To activate DND in phone mode: Press the DND soft key when the phone is idle. icon on the idle screen indicates that the Do Not Disturb mode is enabled. Incoming calls will be rejected automatically and "n New Missed Call(s)" ("n"...
  • Page 82 Basic Call Features Incoming calls on the specific line will be rejected automatically and "n New Missed Call(s)" ("n" indicates the number of the missed calls) will prompt on the LCD screen. To activate DND in custom mode for all accounts: Press the DND soft key when the phone is idle.

  • Page 83: Call Forward

    User Guide SIP-T28P IP Phone You can configure your phone to forward incoming calls to another party by the static forwarding. You can also forward calls while your phone is ringing, refer to the dynamic forwarding. Static Forwarding You can configure three types of call forward: Always Forward: Incoming calls are immediately forwarded.
  • Page 84 Basic Call Features Mark the desired radio box in the Call Forward Key Mode field. Click Confirm to accept the change. Note You can configure the call forward key mode via web user interface only. To enable call forward in phone mode: Press Menu->Features->Call Forward.
  • Page 85 User Guide SIP-T28P IP Phone 3) (Optional.) Enter the always forward on code or off code respectively in the On Code or Off Code field. b.) If you select Busy Forward: 1) Press , or the Switch soft key to select Enable from the Busy field.
  • Page 86 Basic Call Features 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. icon on the idle screen indicates the call forward is enabled. To enable call forward in custom mode: Press Menu->Features->Call Forward.
  • Page 87 User Guide SIP-T28P IP Phone 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.
  • Page 88 Basic Call Features c.) If you select No Answer Forward, you can enable it for a specific account. 1) Press , or the Switch soft key to select Enable from the No Answer field. 2) Enter the destination number you want to forward all unanswered incoming calls to in the Forward to field.
  • Page 89 User Guide SIP-T28P IP Phone You can also configure call forward feature via web user interface at the path Phone->Features->Forward>>. Note You can also enter the SIP URL or IP address in the Forward to field. For more information on using the SIP URL or IP address, refer to Placing Calls on page 59.

  • Page 90: Dynamic Forwarding

    Basic Call Features Press the All Off soft key to disable the call forward. Press the Save soft key to accept the change. Dynamic Forwarding To forward an incoming call to another party: When the phone is ringing, press the Forward soft key. Enter the number you want to forward the incoming call to.

  • Page 91: Call Waiting

    User Guide SIP-T28P IP Phone To perform a semi-attended transfer: Press or the Transfer soft key during a call. Enter the number you want to transfer the call to. Press to dial out. Press or the Transfer soft key to complete the transfer when receiving ringback.

  • Page 92: Local Conference

    The network conference feature is not available on all servers. For more information, contact your system administrator. The SIP-T28P IP phone supports up to 3 parties (including yourself) in a conference call. This is called Local Conference and is the default method of conference.

  • Page 93: Network Conference

    Split soft key to split the conference call into two individual calls. To drop the conference call, press the Cancel soft key. You can use network conference feature on the SIP-T28P IP phone to conduct a conference with multiple participants.

  • Page 94: 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 indication on the LCD screen.

  • Page 95: Call Pickup

    You can use call pickup feature to answer someone else’s incoming call on the phone. The SIP-T28P IP phone supports the direct call pickup and group call pickup features. Direct call pickup is used for picking up a call that is ringing at a specific phone number.
  • Page 96 Basic Call Features Click Confirm to accept the change. To configure the direct call pickup code on a global basis via web user interface: Click on Phone->Features->Call Pickup>>. Enter the direct call pickup code in the Direct Call Pickup Code field. Click Confirm to accept the change.

  • Page 97: Group Call Pickup

    User Guide SIP-T28P IP Phone The DPickup soft key appears on the LCD screen. Press the DPickup soft key on your phone when the specific phone number receives an incoming call. Enter the specific phone number. Press the DPickup soft key.
  • Page 98 Basic Call Features Enter the group call pickup code in the Group Call Pickup Code field. Click Confirm to accept the change. To configure the group call pickup code on per-line basis via web user interface: Click on Account. Select the desired account from the pull-down list of Account. Click on Advanced>>.

  • Page 99: Anonymous Call

    User Guide SIP-T28P IP Phone The GPickup soft key appears on the LCD screen. Press the GPickup soft key on your phone when a phone in the group receives an incoming call. The call is answered on your phone. You can also configure a DSS key as group pickup key via phone user interface or web user interface.

  • Page 100: Anonymous Call Rejection

    Basic Call Features (Optional.) Enter the anonymous call off code in the Call Off Code field. Press the Save soft key to accept the change or the Back soft key to cancel. You can also configure anonymous call via web user interface at the path Account->Basic>>.
  • Page 101 User Guide SIP-T28P IP Phone You can also configure anonymous call rejection via web user interface at the path Account->Basic>>.

  • Page 102: Busy Lamp Field (Blf)

    Advanced Phone Features This chapter provides operating instructions for the advanced features of the SIP-T28P IP phone. The topics include: Busy Lamp Field (BLF)  BLF List  Shared Line  Call Recording  Hot Desking  Intercom  Multicast Paging ...
  • Page 103 User Guide SIP-T28P IP Phone (Optional.)Enter the pickup code in the Extension field. Press the Save soft key to accept the change or the Back soft key to cancel. You can also configure the BLF key via web user interface at the path Phone->DSS Keys.
  • Page 104 Advanced Phone Features In the following figure, the phone LCD screen shows an incoming call from 1007 on the monitored line. Note If your phone is locked and the type of the keypad lock is set to be Function Keys or All keys, you cannot use the Pickup, Dial, New Call and Cancel soft keys appear on the above figure until unlocked.
  • Page 105 User Guide SIP-T28P IP Phone For more information on performing call transfer, refer to Call Transfer on page 79. Click Confirm to accept the change. You can use the BLF List feature to monitor a list of users defined by your system administrator.
  • Page 106 Advanced Phone Features Click Confirm to accept the change. Note For more information about the BLF List pickup and BLF List barge in feature, contact your system administrator. You can configure the BLF List settings via web user interface only. According to the response message from the server, the IP phone will automatically configure the BLF List keys beginning from the first unused DSS key.
  • Page 107 User Guide SIP-T28P IP Phone To place multiple calls on the shared line: You can have more than one call on the shared line. To place a new call when there is an active call on the shared line, do as below: Press the line key.
  • Page 108 LED Instructions on page 5. You can record calls by pressing a record key on the SIP-T28P IP phone. There are 2 different ways of configuring call recording and they even work differently: Record: The phone sends SIP INFO message containing a specific header to trigger ...
  • Page 109 User Guide SIP-T28P IP Phone URL Record: The phone sends HTTP URL request to trigger a recording. Contact your  system administrator for the predefined URL. Note The record feature is not available on all servers. Contact your system administrator for more information.
  • Page 110 You can use Hot Desking on the SIP-T28P IP phone to log out the existing accounts and then log in a new account, that is, many users can share the phone resource in different time.
  • Page 111 User Guide SIP-T28P IP Phone Press , or the Switch soft key to select Key Event from the Type field. Press , or the Switch soft key to select Hot Desking from the Key Type field. Leave the Value field blank.
  • Page 112 Press the intercom key again or the Cancel soft key to end the intercom call. By default, the SIP-T28P IP phone supports to answer an incoming intercom call automatically. The phone automatically plays a warning tone when it receives an...
  • Page 113 User Guide SIP-T28P IP Phone incoming intercom call. In addition, you can enable the phone to mute the microphone when it automatically answers an incoming intercom call. You can also enable the phone to automatically answer an incoming intercom call while there is already an active call on the phone, the active call is placed on hold.
  • Page 114 Advanced Phone Features Intercom Mute You can mute or un-mute the microphone on the phone for intercom calls automatically. If Intercom Mute is enabled, the microphone is muted for intercom calls. If Intercom Mute is disabled, the microphone is un-muted for incoming calls. Intercom Mute is disabled by default.
  • Page 115 User Guide SIP-T28P IP Phone Enter the multicast IP address and port number (e.g. 224.5.6.20:10008) in the Value field. Press the Save soft key to accept the change or the Back soft key to cancel. You can also configure a multicast paging key via web user interface at the path Phone->DSS Keys.
  • Page 116 Advanced Phone Features Press the Hold soft key to place the current multicast RTP session on hold. Press the Cancel soft key to cancel the multicast RTP session. Note Multicast RTP is one way only from sender to the multicast address (es) (receiver). For outgoing RTP multicasts, all other existing calls on the phone will be placed on hold.
  • Page 117 The ACD feature on the SIP-T28P IP phone allows the ACD system to distribute calls from large volumes of incoming calls to the registered IP phone users. To use this feature, you should configure an ACD key in advance.
  • Page 118 Advanced Phone Features Press , or the Switch soft key to select ACD from the Type field. Press , or the Switch soft key to select the desired line from the Account ID field. Press the Save soft key to accept the change or the Back soft key to cancel. You can also configure an ACD key via web user interface at the path Phone->DSS Keys.
  • Page 119 It is recommended you configure no more than one ACD key per phone. At any time, at most one ACD key can be in progress on your phone. You can send and receive text messages using the SIP-T28P IP phone. New text messages can be indicated both acoustically and visually. When receiving a new text...
  • Page 120 Advanced Phone Features To read a text message: Press Menu->Messages->Text Message->Inbox. Select the desired message and press the View soft key. Note If the phone prompts receiving new text messages, you can also press the View soft key to read the new messages directly. To send a text message: Press Menu->Messages->Text Message->New Message.
  • Page 121 User Guide SIP-T28P IP Phone Press the Send soft key after completing the content. To delete a text message: Press Menu->Messages->Text Message->Inbox (Sentbox, Outbox or Draftbox). Select the desired message and then press the Delete soft key. Select Delete This to delete the desired message.

  • Page 122: Voice Mail

    Advanced Phone Features You can leave voice mails for someone else on the SIP-T28P IP phone. You can also listen to the voice mails stored in a centralized location. When receiving a new voice mail, the phone will play a warning tone and the MESSAGE key LED will illuminate. The phone LCD screen will prompt receiving a new voice mail and a flashing icon.

  • Page 123: Message Waiting Indicator (Mwi)

    This is cleared only when you retrieve all voice mails or delete them. For some particular servers, the MWI service is unsolicited. So the SIP-T28P IP phone just need to handle the MWI messages sent from the server. But for some servers, the MWI service is solicited.
  • Page 124 Advanced Phone Features The MWI Subscription parameters you need to know: Options Description Subscribe for MWI Enable or disable a subscription for MWI service. Period of MWI subscription. The IP phone re-sends a MWI Subscription Period MWI subscription before expiring. To enable MWI subscription via web user interface: Click on Account->Advanced>>.
  • Page 125 User Guide SIP-T28P IP Phone...

  • Page 126: Troubleshooting

    Troubleshooting This chapter provides general troubleshooting information to help you solve the problems you might encounter when using your SIP-T28P IP phone. If you require additional information or assistance with your new phone, contact your system administrator. Why is the phone LCD screen blank? Ensure your phone is properly plugged into a functional AC outlet.
  • Page 127 User Guide SIP-T28P IP Phone check whether dial tone is present for one of the audio modes. If the dial tone exists on another audio mode, connect a different handset or  headset to isolate the problem. Why does the phone not ring? Check the ringer volume on your phone.
  • Page 128 Troubleshooting Enter the new user password in the New Password field and Confirm Password field. Click Confirm to accept the change. You can also contact your system administrator for help. How to reboot the phone? To reboot the IP phone via web user interface: Click on Upgrade->Basic.
  • Page 129 User Guide SIP-T28P IP Phone will take 5 minutes to complete. Please don't power off!”. Click OK to confirm upgrading. 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 Upgrade->Advanced.
  • Page 130 Troubleshooting To Import phone configurations via web user interface: Click on Upgrade->Advanced. Click Browse to select a configuration file from your local system. Click Import to import the configuration file. Note The file format of configuration file must be “.bin”. How to make a call using SRTP? You can enable SRTP to encrypt the audio stream(s) of phone calls.
  • Page 131 User Guide SIP-T28P IP Phone...

  • Page 132: 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 133 User Guide SIP-T28P IP Phone Place the device on a stable and level platform.  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 134: Appendix A-Time Zones

    Appendix A-Time Zones Time Zone Time Zone Name −11:00 Samoa −10:00 United States-Hawaii-Aleutian −10:00 United States-Alaska-Aleutian −09:00 United States-Alaska Time −08:00 Canada(Vancouver, Whitehorse) −08:00 Mexico(Tijuana, Mexicali) −08:00 United States-Pacific Time −07:00 Canada(Edmonton, Calgary) −07:00 Mexico(Mazatlan, Chihuahua) −07:00 United States-Mountain Time −07:00 United States-MST no DST −06:00...
  • Page 135 User Guide SIP-T28P IP Phone Time Zone Time Zone Name +01:00 Hungary(Budapest) +01:00 Italy(Rome) +01:00 Luxembourg(Luxembourg) +01:00 Macedonia(Skopje) +01:00 Netherlands(Amsterdam) +01:00 Namibia(Windhoek) +02:00 Estonia(Tallinn) +02:00 Finland(Helsinki) +02:00 Gaza Strip(Gaza) +02:00 Greece(Athens) +02:00 Israel(Tel Aviv) +02:00 Jordan(Amman) +02:00 Latvia(Riga) +02:00 Lebanon(Beirut)

  • Page 136: Index

    Index Dual Headset About This Guide Account Management Account Registration Adding Contacts Editing Contacts Administrator password Emergency Number Anonymous Call Ending Calls Anonymous Call Rejection Answering Calls Area Code Getting Started Attaching Stand General Settings Audio Settings Auto Answer Auto Redial Automatic Call Distribution (ACD) Hardware Component Instructions Headset Activation/Deactivation...
  • Page 137 User Guide SIP-T28P IP Phone Network Conference Network Connection No answer Forward Packaging Contents Phone Initialization Phone Installation Phone Status Phone User Interface Placing Calls to Contacts Placing Calls Programmable Keys Outgoing intercom Calls Overview Receiving RTP Stream Redialing Numbers...

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