Copyright © 2013 YEALINK NETWORK TECHNOLOGY CO., LTD. Copyright © 2013 Yealink Network Technology CO., LTD. All rights reserved. No parts of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, photocopying, recording, or otherwise, for any purpose, without the express written permission of Yealink Network Technology CO., LTD. Under the law, reproducing includes translating into another language or format.
Note: This device is tested and complies with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
Yealink SIP-T28P firmware contains third-party software under the GNU General Public License (GPL). Yealink uses software under the specific terms of the GPL. Please refer to the GPL for the exact terms and conditions of the license. The original GPL license, source code of components licensed under GPL and used in Yealink products can be downloaded online: http://www.yealink.com/GPLOpenSource.aspx?BaseInfoCateId=293&NewsCateId=293&CateId=293.
About This Guide Thank you for choosing the SIP-T28P IP phone, exquisitely designed to provide business telephony features, such as Call Hold, Call Transfer, Busy Lamp Field, Multicast Paging and Conference over an IP network. This guide provides everything you need to quickly use your new phone. First, verify with your system administrator that the IP network is ready for phone configuration.
User Guide SIP-T28P IP Phone Remote Phone Book on page 46 Anonymous Call on page 106 Troubleshooting on page 131 Major updates have occurred to the following sections: Phone Status on page 14 Call Transfer on page 96 Appendix A - Time Zones on page 143 Major updates have occurred to the following sections: Phone Status on page 14 Remote Phone Book on page 46 The following sections are new: Recent Call In Dialing on page 79 Major updates have occurred to the following sec
About This Guide Call Forward on page 89 Call Pickup on page 101 Busy Lamp Field (BLF) on page 109 vii
User Guide SIP-T28P IP Phone viii
Table of Contents About This Guide ...................................................................... v In This Guide ......................................................................................................................... v Summary of Changes .......................................................................................................... v Changes for Release 71, Guide Version 71.140 ............................................................
User Guide SIP-T28P IP Phone Administrator Password ................................................................................................. 24 Key as Send ..................................................................................................................... 25 Keypad Lock .................................................................................................................... 25 Audio Settings ..............................................................................
Table of Contents Anonymous Call Rejection .............................................................................................. 107 Advanced Phone Features ....................................................109 Busy Lamp Field (BLF) ..................................................................................................... 109 Call Recording .................................................................................................................. 111 Hot Desking ..............
Overview This chapter provides the overview of the SIP-T28P IP phone. Topics include: Hardware Component Instructions Icon Instructions LED Instructions User Interfaces Documentations If you require additional information or assistance with your new phone, contact your system administrator. The main hardware components of the SIP-T28P IP phone are the LCD screen and the keypad.
User Guide for the 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 • Icons (for example, ) • Missed call text or second incoming caller information • Prompt text (for example, "Saving config files!") • Time and date ② Power Indicator LED ③ Line Keys ④ Memory Keys Use these keys to assign various featu
Overview Icons appearing on the LCD screen are described in the following table: Icons Description Network is unavailable Registered successfully Registration failed Registering Hands-free speakerphone mode Handset mode Headset mode Multi-lingual lowercase letters input mode Multi-lingual uppercase letters input mode Alphanumeric input mode Numeric input mode Multi-lingual uppercase and lowercase letters input mode Voice Mail Text Message Auto Answer Do Not Disturb Call Forward/Forwarded Calls Call Hold
User Guide for the SIP-T28P IP Phone Icons Description Call Mute Ringer volume is 0 Keypad Lock Received Calls Placed Calls Missed Calls Recording box is full A call cannot be recorded Recording starts successfully Recording cannot be started Recording cannot be stopped 4
Overview Power Indicator LED LED Status Solid green Fast Flashing green Off Description The phone is initializing. The phone is ringing (Hardware version must be 1.0.0.1 or higher). The phone is powered off. The phone is idle when powered on (Hardware version must be 1.0.0.1 or higher). Line key LED LED Status Solid green Description The line is in conversation. The line is seized. Fast flashing green The line receives an incoming call. Slow flashing green The call is placed on hold.
User Guide for the SIP-T28P IP Phone changes directly on the phone. In addition, you can use the web user interface to access all configuration settings. In many cases, either the phone user interface and/or the web user interface interchangeably. However, in some cases, it is only possible to use one or the other interface to operate the phone and change settings. You can customize your phone by pressing the Menu soft key to access the phone user interface.
Overview Options Phone User Interface Web User Interface --Directory --Local Directory √ --Blacklist √ --Remote Phone Book --Call History Management √ --Logo Customization --DSS Keys √ --Account Registration √ --Dial Plan --Emergency Number --Live Dialpad --Hotline √ Basic Call Features --Recent Call In Dialing --Auto Answer √ --Auto Redial √ --Call Completion √ --Call Return √ -- Do Not Disturb (DND) √ --Call Forward √ --Call Transfer √ --Call Waiting √ √ --Conference --Cal
User Guide for the SIP-T28P IP Phone Options Phone User Interface --Register Name √ --User Name √ --Password √ --SIP Server1/2 √ Web User Interface --Server Option --Registrar Port --Outbound Status √ --Outbound Proxy √ --NAT Traversal Note --STUN Status √ --STUN Server √ The table above lists most of the feature options. Please refer to the relevant sections for more information. The following table shows documentations available for the SIP-T28P IP phone.
Getting Started This chapter provides basic installation instructions and information for obtaining the best performance with the SIP-T28P IP phone. Topics include: Packaging Contents Phone Installation Phone Initialization Phone Status Basic Network Settings Registration Idle Screen If you require additional information or assistance with your new phone, contact your system administrator.
User Guide for the SIP-T28P IP Phone 10 Phone Stand Power Adapter Handset & Handset Cord Ethernet Cable Quick Installation Guide & Quick Reference Guide
Getting Started CD-ROM Check the list before installation. If you find anything missing, contact your system administrator. If your phone is already installed, proceed to Phone Initialization on page 14.
User Guide for the SIP-T28P IP Phone 2) Note Connect the handset and optional headset A headset is not included in the packaging contents. Contact your system administrator for more information. 3) 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) AC Power To connect the AC power: 1.
Getting Started 2. Connect the included or a standard Ethernet cable between the Internet port on the phone and the one on the wall or switch/hub device port. Power over Ethernet With the included or a regular Ethernet cable, the SIP-T28P IP phone can be powered from a PoE-compliant switch or hub. To connect the PoE: 1. Connect the Ethernet cable between the Internet port on the phone and an available port on the in-line power switch/hub.
User Guide for the SIP-T28P 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 “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 network settings (e.g.
Getting Started 2. Enter the IP address in the browser’s address bar, and then press Enter. 3. Enter the user name (admin) and password (admin) in the login page. 4. Click Confirm to login. The phone status is displayed on the first page of the web user interface. If your phone cannot contact a DHCP server for any reason, you need to configure network settings manually. The IP phone can support either or both IPv4 and IPv6 addresses.
User Guide for the SIP-T28P IP Phone To configure the IP address mode via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Network->WAN Port. 2. Press or to select IPv4, IPv6 or IPv4 & IPv6 from the IP Mode field. 3. Press the Save soft key to accept the change or the Back soft key to cancel. To configure a static IPv4 address via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Network->WAN Port->IPv4->Static IP Client. 2.
Getting Started 2. Enter the desired values in the IPv6, IPv6 Prefix, IPv6 Gateway, IPv6 Pri.DNS and IPv6 Sec.DNS fields respectively. 3. Press the Save soft key to accept the change or the Back soft key to cancel. If you are using an xDSL modem for IPv4 network connection, 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.
User Guide for the SIP-T28P IP Phone If the phone has successfully started up, the idle screen will be shown as below: The idle screen shows time and date, label of each account, logo and four soft keys.
Customizing Your Phone You can customize your SIP-T28P IP phone by personally configuring certain settings, for example, contrast, time & date and ring tones. You can add contacts to the phone’s local directory manually or from call history. You can also personalize different ring tones for different callers. This chapter provides basic operating instructions for customizing your phone.
User Guide for the SIP-T28P IP Phone 3. Press the Save soft key to accept the change or the Back soft key to cancel. Contrast is configurable via web user interface at the path Settings->Preference. You can configure backlight to adjust the brightness of the LCD screen. Backlight level is used to adjust to the backlight intensity of the LCD screen. Backlight time specifies the delay time to turn off the backlight when the IP phone is inactive.
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 web browser for the web user interface. If the language of your web browser is not supported by the phone, the web user interface will use English. You can change the language for the phone user interface and the web user interface respectively. Note Not all of the supported languages are available for selection.
User Guide for the SIP-T28P IP Phone 2. Select the desired language from the pull-down list of Language. 3. Click Confirm to accept the change. Text displayed on the web user interface will change to the selected language. The time and date are displayed on the LCD screen when the phone is idle. If the phone cannot obtain the time and date from the Simple Network Time Protocol (SNTP) server, you need to configure the time and date manually.
Customizing Your Phone 5. Note Press the Save soft key to accept the change or the Back soft key to cancel. Please refer to Appendix A - Time Zones for the list of available time zones on the IP phone. To configure the time and date manually via phone user interface: 1. Press Menu->Settings->Basic Settings->Time & Date->Manual Settings. 2. Enter the specific date in the Date field. 3. Enter the specific time in the Time field. 4. Press the Save soft key to accept the change.
User Guide for the SIP-T28P IP Phone There are 7 available date formats. For example, for the date format “WWW DD MMM”, “WWW” represents the abbreviation of the week, “DD” represents the two-digit day, and “MMM” represents the first three letters of the month.
Customizing Your Phone You can set the "#" or "*" to perform as a send key while dialing. To configure key as send via phone user interface: 1. Press Menu->Features->Key as Send. 2. Press or , or the Switch soft key to select # or * from the Key as Send field, or select Disable to disable this feature. 3. Press the Save soft key to accept the change or the Back soft key to cancel. Key as send is configurable via web user interface at the path Features->General Information.
User Guide for the SIP-T28P IP Phone To activate the keypad lock via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Phone Settings->Keypad Lock. 2. Press or , or the Switch soft key to select the desired type from the Keypad Lock field. 3. Press the Save soft key to accept the change. 4. Long press to lock the keypad immediately when the phone is idle. The LCD screen prompts “Keypad Locked!” and displays the icon .
Customizing Your Phone Note 2. Enter the desired interval in the Phone Lock Time Out (0~3600s) field. 3. Click Confirm to accept the change. The default interval is 0 second, that is, you need to long press to lock the keypad. The interval of automatic keypad lock is configurable via web user interface only. To unlock the keypad, you must know the keypad unlock PIN of the phone. The default keypad unlock PIN is “123”. To change the keypad unlock PIN via phone user interface: Note 1.
User Guide for the SIP-T28P IP Phone To unlock the keypad via phone user interface: 1. Press any locked key, the LCD screen prompts “Please Enter PIN”. 2. Enter the PIN in the PIN field. 3. Press the Confirm soft key to unlock the keypad. The icon disappears from the LCD screen. You can long press or wait for a period of time (if configured) to lock the keypad again. Note You can also unlock the keypad by administrator password.
Customizing Your Phone 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. To adjust the volume when the phone is idle: 1. Note Press to adjust the ringer volume. If the ringer volume is adjusted to minimum, the icon will appear on the LCD screen. To adjust the volume when the phone is during a call: 1.
User Guide for the SIP-T28P IP Phone To select a ring tone for the phone via phone user interface: 1. Press Menu->Settings->Basic Settings->Sound->Ring Tones. 2. Press 3. Press the Save soft key to accept the change or the Back soft key to cancel. or to select the desired ring tone. To select a ring tone for the account via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Basic. 4.
Customizing Your Phone To upload a custom ring tone for your phone via web user interface: 1. Click on Settings->Preference. 2. Click Browse to locate a ring tone file (file format must be *.wav) from your local system. 3. Note Click Upload to upload the file. All custom ring tone files must be within 100KB. Custom ring tones for your phone can be uploaded via web user interface only. This section provides the operating instructions for managing contacts.
User Guide for the SIP-T28P IP Phone The selected list appears in the Enabled column. 3. Repeat step 2 to add more lists to the Enabled column. 4. To remove a list from the Enabled column, select the desired list and then click 5. To adjust the display order of list, select the desired list and then click or The LCD screen displays the list(s) in the adjusted order. 6. Note Click Confirm to accept the change. Directory is configurable via web user interface only.
Customizing Your Phone The built-in phone directory stores the names and phone numbers of your contacts. You can store up to 1000 contacts and 5 groups in your phone's local directory; add new contacts and groups; edit, delete or search for a contact; or simply dial a contact number from the local directory. To add a group to the local directory: 1. Press the Directory soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default.
User Guide for the SIP-T28P IP Phone To edit a group in the local directory: 1. Press the Directory soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default. If Local Directory is removed from the directory, press Menu->Directory->Local Directory to enter the local directory. 34 2. Select the desired group (e.g., Test). 3. Press the Option soft key, and then select Detail from the prompt list. 4. Press 5.
Customizing Your Phone To delete a group from the local directory: 1. Press the Directory soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default. If Local Directory is removed from the directory, press Menu->Directory->Local Directory to enter the local directory. 2. Select the desired group (e.g., Test). 3. Press the Option soft key, and then select Delete from the prompt list. The LCD screen prompts “Delete selected group?”. 4.
User Guide for the SIP-T28P IP Phone Adding Contacts Manually To add a contact to the local directory manually: 1. Press the Directory soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default. If Local Directory is removed from the directory, press Menu->Directory->Local Directory to enter the local directory. 2. Press the Enter soft key.
Customizing Your Phone Adding Contacts from Call History To add a contact to the local directory from the call history: 1. Press the History soft key. 2. Press 3. Press the Option soft key, and then select Add to Contacts from the prompt list. 4. Enter the contact name. 5. Press the Save soft key to accept the change. or to select the desired entry. The entry is successfully saved to the local directory.
User Guide for the SIP-T28P IP Phone The IP phone enters the local directory directly as there is only Local Directory in the directory by default. If Local Directory is removed from the directory, press Menu->Directory->Local Directory to enter the local directory. 2. Press the Enter soft key. If the groups have been added to the local directory, select the desired group and then press the Enter soft key. 3. Press or 4. Press the Option soft key, and then select Detail from the prompt list. 5.
Customizing Your Phone The IP phone enters the local directory directly as there is only Local Directory in the directory by default. If Local Directory is removed from the directory, press Menu->Directory->Local Directory to enter the local directory. 2. Press the Enter soft key. If the groups have been added to the local directory, select the desired group and then press the Enter soft key. 3. Press or to select the desired contact. 4.
User Guide for the SIP-T28P IP Phone The IP phone enters the local directory directly as there is only Local Directory in the directory by default. If Local Directory is removed from the directory, press Menu->Directory->Local Directory to enter the local directory. 2. Press the Enter soft key. If the groups have been added to the local directory, select the desired group and then press the Enter soft key. 3. Press 4. Do one of the following: - or to select the desired contact.
Customizing Your Phone 2. Press or to select the All Contacts field. 3. Press the Search soft key. 4. Enter a few continuous characters of the contact name or the contact phone number using the keypad. 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 search for a contact in your desired lists when the phone is in the dialing screen.
User Guide for the SIP-T28P IP Phone The LCD screen displays the search results in the adjusted order. 6. Note Click Confirm to accept the change. Search source list in dialing is configurable via web user interface only. To search for a contact in the enabled search source lists: 1. Pick up the handset, press the speakerphone or press the line key. 2. Enter a few continuous characters of the contact name or the contact phone number using the keypad.
Customizing Your Phone 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. To import an XML file of contact list via web user interface: 1. Click on Directory->Local Directory. 2. Click Browse to locate a contact list file (file format must be *.xml) from your local system. 3. Click Import XML to import the contact list. The web user interface prompts "The original contact will be covered, Continue?".
User Guide for the SIP-T28P IP Phone 6. (Optional.) Select the contact information you want to import into the local directory from the pull down list of Index. 7. Click Import to complete importing the contact list. To export a contact list via web user interface: 1. Click on Directory->Local Directory. 2. Click Export XML (or Export CSV). 3. Click Save to save the contact list to your local system. Note Contact lists can be imported/exported via web user interface only.
Customizing Your Phone 3. Enter the name and the office, mobile or other numbers in the corresponding fields. 4. Press or , or the Switch soft key to select the desired account from the Account field. If Auto is selected, the phone will use the first available account when placing calls to the contact from the blacklist. 5. Press the Add soft key to accept the change or the Back soft key to cancel. To add a contact to the blacklist from local directory: 1. Press the Directory soft key.
User Guide for the SIP-T28P IP Phone 4. Press the Option soft key and then select Add to Blacklist from the prompt list. The LCD screen prompts "Move selected to blacklist?". 5. Press the Ok soft key to confirm the setting. For more operating instructions on editing, deleting, placing calls to and/or searching for contacts in the blacklist, refer to the operating instructions of Local Directory on page 33.
Customizing Your Phone To access your corporate directory via phone user interface: 1. Press Menu->Directory->Remote Phone Book. If Remote Phone Book is added to the directory, press Directory->Remote Phone Book to enter remote phone book. 2. Select the desired remote group, and then press the Enter soft key. The phone connects to load the corporate directory, and then the corporate contact list appears on the LCD screen. 3. Press the Back soft key to back to the previous interface.
User Guide for the SIP-T28P IP Phone Book to enter remote phone book. 2. Select the desired remote group, and then press the Enter soft key to load the corporate directory. 3. Select the desired contact in the corporate directory. 4. Press the Send soft key. In addition, you can enable the phone to present the caller identify stored in the corporate directory when receiving a call. To enable the presentation of caller identify stored in remote phone book via web user interface: 1.
Customizing Your Phone 2. Press or , or the Switch soft key to select Enable from the History Record field. 3. Press the Save soft key to accept the change or the Back soft key to cancel. To view the call history: 1. Press the History soft key. The LCD screen displays All Calls list. 2. Press or to switch between All Calls, Placed Calls, Received Calls, Missed Calls and Forwarded Calls. 3. Press or to select the desired entry. 4.
User Guide for the SIP-T28P IP Phone 2. Press or to switch between All Calls, Placed Calls, Received Calls, Missed Calls and Forwarded Calls. 3. Press or to select the desired entry. 4. Press the Delete soft key. To delete all entries from the call history list: 1. Press the History soft key. 2. Press or to switch between All Calls, Placed Calls, Received Calls, Missed Calls and Forwarded Calls 3. Press the Option soft key, and then select Delete All from the prompt list. 4.
Customizing Your Phone Note 3. Click Browse to locate the logo file from your local system. 4. Click Upload to upload the file. 5. Click Confirm to accept the change. The logo file format must be *.dob, contact your system administrator for more information. A custom logo can be uploaded via web user interface only. Physically connect your headset and activate the headset mode for use.
User Guide for the SIP-T28P IP Phone 2. Select Enabled from the pull-down list of Headset Prior. 3. Click Confirm to accept the change. To use headset prior, you should activate the headset mode in advance: 1. Physically connect the headset. 2. Press Note to activate the headset mode. If headset prior is enabled, the headset mode will not be deactivated until you press the HEADSET key again. Headset prior is configurable via web user interface only.
Customizing Your Phone 2. Select Enabled from the pull-down list of Dual-Headset. 3. Click Confirm to accept the change. Note Dual headset is configurable via web user interface only. Three types of DSS keys: Memory Keys, Line Keys and Programmable Keys. The details will be introduced in the 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.
User Guide for the SIP-T28P IP Phone 6. (Optional.) Enter the corresponding value in the Value field. 7. (Optional.) Enter the corresponding value in the Extension field. 8. Press the Save soft key to accept the change or the Back soft key to cancel. Memory key is configurable via web user interface at the path DSSKey->Memory Key. Note When the phone is idle, you can also long press the memory key to configure it directly on the phone.
Customizing Your Phone resume a held call. It performs the same as a hard line key. Dependencies: Type (Line) Account ID (the account this feature will be applied to) Usage: When receiving an incoming call, the DSS key LED flashes green: 1. Press the DSS key to accept the incoming call. 2. Press the DSS key to place a new call. The active call is placed on hold. 3. Press the DSS key to cancel the new call. 4. Press the DSS key again to resume the held call.
User Guide for the SIP-T28P IP Phone Group Pickup You can use this key feature to answer incoming calls in a group that is associated with their own group. Dependencies: Type (Key Event) 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. The call is answered on your phone.
Customizing Your Phone XML Group You can use this key feature to access the remote group in your corporate directory quickly. You should configure remote phone book in advance. For more information, refer to Remote Phone Book on page 46. Dependencies: Type (Key Event) Key Type (XML Group) Phone Book Name (the remote group you want to access if the remote phone book is configured) Usage: Press the DSS key to access the remote group specified in the Phone Book Name field.
User Guide for the SIP-T28P IP Phone Usage: Press the DSS key during an active call to set up a conference with the number specified in the Value field. Note When you leave the Value field blank, the DSS key performs the same function as the CONF key or the Conf soft key during a call. Forward You can use this key feature to forward an incoming call to someone else. For more information, refer to Call Forward on page 89.
Customizing Your Phone Hold You can use this key feature to place an active call on hold or retrieve a held call. Dependencies: Type (Key Event) Key Type (Hold) Usage: 1. Press the DSS key during an active call to place the call on hold. 2. Press the DSS key again to retrieve the held call. DND You can use this key feature to activate or deactivate DND. You can also use this key feature to access the custom DND interface. For more information, refer to Do Not Disturb (DND) on page 86.
User Guide for the SIP-T28P IP Phone Usage: 1. During a call, press the DSS key to activate the group listening mode. You can then speak and listen through the handset/headset, other people at your side can listen through speaker at the same time. 2. Press the DSS key again to deactivate the group listening mode. Zero Touch You can use this key feature to configure auto provision and network parameters quickly. Dependencies: Type (Key Event) Key Type (Zero Touch) Usage: 1.
Customizing Your Phone Usage: Press the DSS key to immediately access frequently used lists. Note The DSS key performs the same function as the Directory soft key when the phone is idle. You can assign predefined functionalities to the line keys as same as memory keys. You can also define a label for line key which will appear on the LCD screen. The default key type of each line key is Line. To configure the line key via phone user interface: 1. Press Menu->Features->DSS Keys->Line Keys. 2.
User Guide for the SIP-T28P IP Phone 2. Customize specific features for these keys. 3. Click Confirm to accept the change. You can click Reset to default to reset custom settings to defaults. Note Programmable keys are configurable via web user interface only. You can register one or multiple accounts on the SIP-T28P IP phone. You can also configure each line key to associate with an account or configure multiple line keys to associate with an account.
Customizing Your Phone 4. Enter the desired values in the Label, Display Name, Register Name, User Name, Password and SIP Server1/2 fields respectively. Contact your system administrator for more information. 5. Press the Save soft key to accept the change or the Back soft key to cancel. You can repeat steps 2 to 5 to register more accounts.
User Guide for the SIP-T28P IP Phone You can configure multiple line keys to associate with an account. This enhances call visualization and simplifies call handling. If this is the case, the LCD screen resembles the following figure: Incoming calls to this account will be distributed evenly among the available line keys. Outgoing calls will be distributed similarly. Your phone can be configured to have a combination of accounts with a single line key and accounts with multiple line keys.
Customizing Your 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: Prefix: "9([5-7]) (.)", Replace: "5$2". When you enter "96123" to dial out on your phone, the number will be replaced as "5123" and then dialed out. “$2” means the characters in the second parenthesis, that is, “123”.
User Guide for the SIP-T28P IP Phone 5. Click Add to add the replace rule. When you enter the number “1” using the keypad and then press the Send soft key, the phone will dial out “1234” instead. Note The valid values of Account field can be one or more digits among 1, 2, 3, 4, 5 and 6. Each digit must be separated by a comma. For example, when you enter the value “1, 2” in the Account field, this replace rule will apply to account1 and account2.
Customizing Your Phone 3. Enter the desired line ID in the Account field or leave it blank. For more information on the valid values of Account field, refer to Replace Rule on page 65. 4. Click Add to add the dial-now rule. When you enter the number “1001” using the keypad, the phone will dial out “1001” automatically without pressing any key. Note You can also edit or delete the dial-now rule, refer to Replace Rule on page 65 for more information.
User Guide for the SIP-T28P IP Phone 2. Enter the time within 1-14 (in seconds) in the Time-Out For Dial-Now Rule field. 3. Click Confirm to accept the change. Note Delay time for dial-now rule is configurable via web user interface only. Area codes are also known as Numbering Plan Areas (NPAs). They usually indicate geographical areas in a country. This feature is necessary only when dialing the number outside the code area.
Customizing Your Phone 3. Enter the desired line ID in the Account field or leave it blank. For more information on the valid values of Account field, refer to Replace Rule on page 65. 4. Note Click Confirm to accept the change. The default values of minimum and maximum length are 1 and 15 respectively. Area code is configurable via web user interface only. You can block specific numbers from being dialed on your phone.
User Guide for the SIP-T28P IP Phone 3. Enter the desired line ID in the Account field or leave it blank. For more information on the valid values of Account field, refer to Replace Rule on page 65. 4. Note Click Confirm to add the block out number. Block out number is configurable via web user interface only.
Customizing Your Phone 2. Enter the emergency number in the Emergency field. For multiple numbers, enter a comma between every two emergency numbers. The default emergency numbers are 112, 911 and 110. 3. Note Click Confirm to accept the change. Emergency number is configurable via web user interface only. You can enable live dialpad on the SIP-T28P IP phone, which enables the IP phone to automatically dial out phone numbers without pressing any other key.
User Guide for the SIP-T28P IP Phone 3. Enter the desired delay time in the Inter Digit Time (1~14s) field. The default delay time is 4s. 4. Note Click Confirm to accept the change. Live dialpad is configurable via web user interface only. You can dial a hotline number immediately upon lifting the handset, pressing the Speakerphone key or pressing a line key. You can also configure a delay, where the phone will dial out the hotline number automatically after the specified period of time.
Customizing Your Phone Information.
User Guide for the SIP-T28P IP Phone 74
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. This chapter provides basic operating instructions for the SIP-T28P IP phone.
User Guide for the SIP-T28P IP Phone Using the speakerphone Using the headset You can also dial the number first, and then choose the way you want to speak to the other party. You can also search and dial a contact from call history, local directory or remote phone book. For more information, refer to Contact Management on page 31 and Call History Management on page 48.
Basic Call Features Press , , , or the Send soft key. To place a call using the headset: Do one of the following: - With the optional headset connected, press to activate the headset mode. Press the line key to obtain a dial tone. Enter the desired number using the keypad. Press - , , or the Send soft key. With the optional headset connected, press to activate the headset mode. Enter the desired number using the keypad. Press Note , , or the Send soft key.
User Guide for the SIP-T28P IP Phone Using the headset Note You can ignore incoming calls by pressing the X key, the Reject soft key or the Silence soft key. You can also activate Do Not Disturb mode to ignore all incoming calls without ring on your phone. For more information, refer to Do Not Disturb (DND) on page 86. You can forward incoming calls to someone else by pressing the Forward soft key. For more information, refer to Call Forward on page 89.
Basic Call Features To end a call: Do one of the following: Note - If you are using the handset, press the Cancel soft key or hang up the handset. - If you are using the headset, press the Cancel soft key. - If you are using the speakerphone, press or the Cancel soft key. To end a call placed on hold, you can press the Cancel soft key to end the call directly, or press the Resume soft key to resume the call before ending it. To redial the last dialed number from your phone: 1. Press twice.
User Guide for the SIP-T28P IP Phone 2. Select Enabled from the pull-down list of Recent Call In Dialing. 3. 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: 1. Pick up the handset, press the speakerphone or press the line key. The LCD screen displays the placed calls list. You can use auto answer to automatically answer an incoming call on a line.
Basic Call Features 2. Select the desired account and then press the Enter soft key. 3. Press or , or the Switch soft key to select Enable from the Auto Answer field. 4. Press the Save soft key to accept the change or the Back soft key to cancel. The 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.
User Guide for the SIP-T28P IP Phone 4. Enter the desired times in the Redial Times field. The default times are 10. 5. 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 following prompt will appear on the LCD screen of the phone: 1. Press the OK soft key to activate auto redial.
Basic Call Features You can use call completion to notify the caller who failed to reach a desired callee when the callee becomes available to receive a call. To configure call completion via phone user interface: 1. Press Menu->Features->Call Completion. 2. Press or , or the Switch soft key to select Enable from the Call Completion field. 3. Press the Save soft key to accept the change or the Back soft key to cancel.
User Guide for the SIP-T28P IP Phone When the called party becomes idle, the following prompt appears on the LCD screen of the phone: 2. Note Press the OK soft key to redial the number. Call completion is not available on all servers. For more information, contact your system administrator. You can press a call return key to place a call back to the last incoming call. To configure a call return key via phone user interface: 1. Press Menu->Features->DSS Keys->Memory Keys (or Line Keys). 2.
Basic Call Features To mute a call: 1. Press during an active call. The LCD screen indicates that the call is on mute. To un-mute a call: 1. Press again to un-mute the call. You can place an active call on hold. Only one active call can be in progress at any time. Other calls can be made and received while placing the original call on hold. When you place a call on hold, your IP PBX may play music on hold to the other party while waiting. To place a call on hold: 1.
User Guide for the SIP-T28P IP Phone Multiple Calls on Hold: If multiple calls are placed on hold, do one of the following: - Press or to switch between the calls, and then press the Resume soft key to retrieve the desired call. - Press the corresponding line key to retrieve the desired call. If more than two calls are placed on hold, a numbered prompt appears on the LCD screen, for example "2/4", indicating that this is the second call out of four calls.
Basic Call Features 3. Note Click Confirm to accept the change. DND mode is configurable via web user interface only. To activate DND in phone mode: 1. Press the DND soft key when the phone is idle. The icon on the idle screen indicates that DND is enabled. Incoming calls will be rejected automatically and "n New Missed Call(s)" ("n" indicates the number of the missed calls) will appear on the LCD screen. To activate DND in custom mode for a specific account: 1.
User Guide for the SIP-T28P IP Phone Incoming calls on this 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: 1. Press the DND soft key when the phone is idle. The LCD screen displays a list of the accounts on the phone. 2. Press the All On soft key to activate DND for all accounts. 3. Press the Save soft key to accept the change.
Basic Call Features To configure the DND authorized numbers via web user interface: 1. Click on Features->Forward & DND. 2. Select Enabled from the pull-down list of DND Emergency. 3. Enter the numbers in the DND Authorized Numbers field. For multiple numbers, enter a comma between every two numbers. 4. Click Confirm to accept the change. When DND is enabled on the phone, the phone can still receive incoming calls from the numbers specified in the DND Authorized Numbers field.
User Guide for the SIP-T28P IP Phone Static Forwarding Three types of static forwarding: Always Forward: Incoming calls are immediately forwarded. Busy Forward: Incoming calls are immediately forwarded if the phone is busy. No Answer Forward: Incoming calls are forwarded if not answered after a period of time. You can enable/disable call forward for the phone system, or you can customize call forward for each or all accounts.
Basic Call Features 3. Depending on your selection: a.) If you select Always Forward: 1) Press or , or the Switch soft key to select Enable from the Always field. 2) Enter the destination number you want to forward incoming calls to in the Forward To field. 3) (Optional.) Enter the always forward on code and off code respectively in the On Code and Off Code field. b.) If you select Busy Forward: 1) Press or , or the Switch soft key to select Enable from the Busy field.
User Guide for the SIP-T28P IP Phone in the On Code and Off Code field. 4. Press the Save soft key to accept the change. The icon on the idle screen indicates call forward is enabled. To enable call forward in custom mode: 1. Press Menu->Features->Call Forward. 2. Press or to select the desired account, and then press the Enter soft key. 3. Press or to select the desired forwarding type, and then press the Enter soft key. 4. Depending on your selection: a.
Basic Call Features 2) Press the All Lines soft key. The LCD screen prompts “Copy to All Lines?”. 3) b.) Press the OK soft key to accept the change or the Cancel soft key to cancel. If you select Busy Forward, you can enable it for a specific account. 1) Press or , or the Switch soft key to select Enable from the Busy field. 2) Enter the destination number you want to forward incoming calls to when the phone is busy in the Forward To field. 3) (Optional.
User Guide for the SIP-T28P IP Phone c.) If you select No Answer Forward, you can enable it for a specific account. 1) Press or , or the Switch soft key to select Enable from the No Answer field. 2) Enter the destination number you want to forward unanswered incoming calls to in the Forward To field. 3) Press or , or the Switch soft key to select the ring time to wait before forwarding from the After Ring Time field. The default ring time is 12 seconds. 4) (Optional.
Basic Call Features Call forward is configurable via web user interface at the path Features->Forward & DND. 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 75. Call forward is local to the phone, and may be overridden by the server settings. Call forward on code or off code may be different between servers. For more information, contact your system administrator.
User Guide for the SIP-T28P IP Phone The LCD screen prompts a call forward message. You can transfer a call to another party in one of the three ways: Blind Transfer: Transfer a call directly to another party without consulting. Semi-Attended Transfer: Transfer a call when the target phone is ringing. Attended Transfer: Transfer a call with prior consulting. To perform a blind transfer: 1. Press or the Transfer soft key during a call. 2. Enter the number you want to transfer the call to.
Basic Call Features group, and search for the contact (Directory should be configured in advance. Refer to Local Directory on page 33 for more information.). - Press the Directory soft key, and then select History. Select the desired list and use or to select the entry (Directory should be configured in advance. Refer to Local Directory on page 33 for more information.). - Press the Directory soft key, and then select Remote Phone Book.
User Guide for the SIP-T28P IP Phone Information. You can create a conference with other two parties using the phone’s local conference. You can create a conference between an active call and a call on hold (on the same or another line) by pressing the CONF key or the Conf soft key. Note Network conference 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.
Basic Call Features You can press or the Hold soft key to place the conference on hold. You can press the 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 on the SIP-T28P IP phone to conduct a conference with multiple participants. This feature allows you to perform the following: Join two calls together into a conference call. Invite another party into an active conference call.
User Guide for the SIP-T28P IP Phone 6. Note Click Confirm to accept the change. Network conference is configurable via web user interface only. To set up a network conference call: 1. Place a call to the first party. 2. Press or the Conf soft key to place a new call. The active call is placed on hold. 3. Enter the number of the second party and press , , or the Send soft key. 4. When the second party answers the call, press or the Conf soft key to add the second party to the conference. 5.
Basic Call Features 6. Enter the call park code in the Value field. 7. Press the Save soft key to accept the change or the Back soft key to cancel. Call park key is configurable via web user interface at the path DSSKey. To use call park: 1. User on phone A places a call to phone B. 2. User on phone A wants to take the call in a conference room for privacy, then presses the call park key on phone A. 3. User on phone A walks to an available conference room where the phone is designated as phone C.
User Guide for the SIP-T28P IP Phone Directed Call Pickup To enable the directed call pickup via web user interface: 1. Click on Features->Call Pickup. 2. Select Enabled from the pull-down list of Directed Call Pickup. 3. Click Confirm to accept the change. To configure the directed call pickup code on a global basis via web user interface: 1. Click on Features->Call Pickup. 2. Enter the directed call pickup code in the Directed Call Pickup Code field. 3. Click Confirm to accept the change.
Basic Call Features 4. Enter the directed call pickup code in the Directed Call Pickup Code field. 5. Click Confirm to accept the change. To pick up a call directly: 1. Pick up the handset. The DPickup soft key appears on the LCD screen. 2. Press the DPickup soft key on your phone when a phone receives an incoming call. 3. Enter the phone number which receives an incoming call. 4. Press the DPickup soft key again. The call is answered on your phone.
User Guide for the SIP-T28P IP Phone Group Call Pickup To enable the group call pickup via web user interface: 1. Click on Features->Call Pickup. 2. Select Enabled from the pull-down list of Group Call Pickup. 3. Click Confirm to accept the change. To configure the group call pickup code on a global basis via web user interface: 1. Click on Features->Call Pickup. 2. Enter the group call pickup code in the Group Call Pickup Code field. 3. Click Confirm to accept the change.
Basic Call Features 4. Enter the group call pickup code in the Group Call Pickup Code field. 5. Click Confirm to accept the change. To pick up a call in the group: 1. Pick up the handset. The GPickup soft key appears on the LCD screen. 2. Press the GPickup soft key on your phone when a phone in the group receives an incoming call. The call is answered on your phone. You can also configure a DSS key as a group pickup key via phone user interface or web user interface.
User Guide for the SIP-T28P IP Phone You can use anonymous call to block the identify and phone number from showing up to the called party when you call someone. For example, you want to call to consult some of the services, but don’t want to be harassed. Anonymous call is configurable on a per-line basis. You can also configure the phone to send anonymous code to the server to activate/deactivate anonymous call on the server side. Note Anonymous call is not available on all servers.
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 showing up. Anonymous call rejection is configurable on a per-line basis. To configure anonymous call rejection via phone user interface: 1. Press Menu->Features->Anonymous Call. 2.
User Guide for the SIP-T28P IP Phone 108
Advanced Phone Features This chapter provides operating instructions for the advanced features of the SIP-T28P IP phone. Topics include: Busy Lamp Field (BLF) Call Recording Hot Desking Intercom Multicast Paging Music on Hold Automatic Call Distribution (ACD) Messages If you require additional information or assistance with your new phone, contact your system administrator. You can use BLF to monitor a specific line for status changes on the phone.
User Guide for the SIP-T28P IP Phone 6. (Optional.) Enter the pickup code in the Extension field. 7. Press the Save soft key to accept the change or the Back soft key to cancel. BLF key is configurable via web user interface at the path DSSKey. You can enable audio alert for BLF pickup on the phone. This allows the monitoring phone to play a warning tone when the monitored line receives an incoming call. You can also enable visual alert for BLF pickup on the phone.
Advanced Phone Features The BLF key LED flashes. The caller ID appears on the LCD screen (if enabled). In the following figure, the LCD screen shows an incoming call from 1002 on the monitored line. Note If your phone is locked and the type of the keypad lock is configured as Function Keys or All Keys, you cannot use the Pickup, Send, New Call and Cancel soft keys until unlocked.
User Guide for the SIP-T28P IP Phone 4. Press or , or the Switch soft key to select Record from the Key Type field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. To configure a URL record key via phone user interface: 1. Press Menu->Features->DSS Keys->Memory Keys (or Line Keys). 2. Select the desired DSS key. 3. Press 4. Enter the URL (e.g., http://10.1.2.224/phonerecording.cgi) in the Value field. 5.
Advanced Phone Features To record a call: 1. Press a record or URL record key during a call. If the recording starts successfully, the recording icon will appear on the LCD screen and the record or URL record key LED will flash green. 2. Press the record or URL record key again to stop recording. The recording icon disappears from the LCD screen and the record or URL record key LED goes out.
User Guide for the SIP-T28P IP Phone 2. Select the desired DSS key. 3. Press or , or the Switch soft key to select Key Event from the Type field. 4. Press or , or the Switch soft key to select Hot Desking from the Key Type field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Hot desking key is configurable via web user interface at the path DSSKey. To use hot desking: 1. Press the hot desking key when the phone is idle.
Advanced Phone Features Intercom is a useful feature in an office environment to quickly connect with the operator or the secretary. You can press the intercom key to automatically connect with a remote extension for outgoing intercom calls, and the remote extension will automatically answer the incoming intercom calls. Note Intercom is not available on all servers. Contact your system administrator for more information. To configure an intercom key via phone user interface: 1.
User Guide for the SIP-T28P IP Phone 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. Intercom features you need to know: Intercom Feature Accept Intercom Intercom Mute Intercom Tone Description Enable or disable the IP phone to automatically answer an incoming intercom call.
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 works for intercom calls. Intercom Mute is disabled by default. Intercom Tone You can enable or disable the phone to play a warning tone when receiving an intercom call. If Intercom Tone is enabled, the phone plays a warning tone before answering the intercom call.
User Guide for the SIP-T28P IP Phone 5. Enter the multicast IP address and port number (e.g., 224.5.6.20:10008) in the Value field. The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255. 6. Press the Save soft key to accept the change or the Back soft key to cancel. Multicast paging key is configurable via web user interface at the path DSSKey. You can also configure the phone to use a default codec for sending multicast RTP stream via web user interface.
Advanced Phone Features 3. Note Click Confirm to accept the change. If G722 codec is used for multicast paging, the LCD screen displays the indicate that is providing high definition voice. icon to Default codec for multicast paging is configurable via web user interface only. To send RTP stream: 1. Press the multicast paging key when the phone is idle. The phone sends RTP to a preconfigured multicast address (IP: Port).
User Guide for the SIP-T28P IP Phone the voice call in progress takes precedence over all incoming multicast paging calls. Valid values in the Paging Barge field: 1 to 10: Define the priority of the active call, 1 is the highest priority, 10 is the lowest. Disabled: The voice call in progress shall take precedence over all incoming paging calls.
Advanced Phone Features 6. Note Click Confirm to accept the change. The priorities of listening addresses are predefined: 1 with the highest priority, 10 with the lowest. Both the multicast paging sender and the receiver play a warning tone when establishing a multicast paging call. Multicast listening addresses are configurable via web user interface only. 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.
User Guide for the SIP-T28P IP Phone 5. Click Confirm to accept the change. When you have placed a call on hold, the held party can hear the music. Note All involved parties cannot use encrypted RTP (SRTP). Music on hold server is configurable via web user interface only. ACD is often used in offices for customer service, such as call center.
Advanced Phone Features To log into the ACD system: 1. Press the ACD key when the phone is idle. The LCD screen prompts you the following information: User ID: the identify used to log into the queue. Password: the password used to log into the queue. 2. Note Press the Login soft key to login. Contact your system administrator for the User ID and Password to access the ACD system. After configuring an ACD key, you can press the ACD key to log into the ACD system.
User Guide for the SIP-T28P IP 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 message, the phone will play a warning tone, and the LCD screen will prompt receiving new text messages with the number of waiting messages (example: 3 New Text Message(s)) and a flashing icon. You can store text messages in your phone’s Inbox, Sentbox, Outbox or Draftbox.
Advanced Phone Features To send a text message: 1. Press Menu->Messages->Text Message->New Message. 2. Compose the new text message. You can press the abc soft key to change the input mode. 3. Press the Send soft key. 4. (Optional.) Press or , or the Switch soft key to select the desired account from the From field. 5. Enter the number you want to send the message to in the To field. 6. Press the Send soft key to send the message or the Back soft key to cancel.
User Guide for the SIP-T28P IP Phone 2. Select the desired message and then press the Delete soft key. 3. Select Delete to delete the desired message. The LCD screen prompts "Delete Message?". 4. Press the OK soft key to delete this message or the Cancel soft key to cancel. You can also delete all text messages by pressing the Delete soft key and then select Delete All. For more information, refer to the above steps.
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 and the LCD screen will display a flashing icon. Note Voice mail is not available on all servers. Contact your system administrator for more information.
User Guide for the SIP-T28P IP Phone To listen to the voice mail: 1. When the phone user interface prompts receiving new voice mails, press or the Connect soft key to dial out the voice mail access code. 2. Note Follow the voice prompt to listen to voice mails. Before listening to voice mails, make sure the voice mail access code has been configured. When all new voice mails are retrieved, the MESSAGE key LED will go out. To view the voice mail via phone user interface: 1.
Advanced Phone Features The MWI Subscription parameters you need to know: Options Subscribe for MWI Description Enable or disable a subscription for MWI service. 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 Subscribe MWI to Voice number for MWI service. Mail To use this feature, you should also configure the voice mail number.
User Guide for the SIP-T28P IP Phone 6. Click Confirm to accept the change. To enable Subscribe MWI to Voice Mail via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced. 4. Select Enabled from the pull-down list of Subscribe MWI To Voice Mail. 5. Enter the desired voice mail number in the Voice Mail field. 6. Click Confirm to accept the change.
Troubleshooting This chapter provides general troubleshooting information to help to 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 LCD screen blank? Ensure that the phone is properly plugged into a functional AC outlet. Ensure that the phone is plugged into a socket controlled by a switch that is on.
User Guide for the SIP-T28P 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 shipping information sheet which includes MAC addresses according to the corresponding PO(Purchase Order). You can find the MAC address in the label of carton box. You can also find the MAC address from the phone’s bar code on the back of the phone.
Troubleshooting Check that the headset volume is adjusted to an appropriate level. Refer to Volume on page 29. What will happen if I connect both PoE cable and power adapter? Which has the priority? The phones manufactured before February 2010 use the power adapter preferentially, otherwise the phones use PoE preferentially. What is the difference between user name, register name and display name? Both user name and register name are defined by the server.
User Guide for the SIP-T28P IP Phone 3. Enter the desired time (in seconds) in the Play Hold Tone Delay field. 4. Click Confirm to accept the change. Why can’t I send a SMS to any other phone? SMS depends on support from a SIP server. Contact your system administrator for more information. How to change the user password? To change the user password via web user interface: 1. 134 Click on Security->Password. 2. Select user from the pull-down list of User Type. 3.
Troubleshooting 4. Note Click Confirm to accept the change. If logging in the web user interface of the phone with the user credential, you need to enter the current user password in the Old Password field. User password is configurable via web user interface only. How to make a call using SRTP? You can enable SRTP to encrypt the audio stream(s) of phone calls. The parties participating in the call should enable SRTP. You can enable SRTP on a per-line basis.
User Guide for the SIP-T28P IP Phone How to reboot the phone? To reboot the phone via web user interface: 1. Click on Settings->Upgrade. 2. Click Reboot to reboot the phone. Note Any reboot of the phone may take a few minutes. How to export PCAP trace? We may need you to provide a PCAP trace to help analyze your problem. To export a PCAP trace via web user interface: 136 1. Click on Settings-> Configuration. 2. Click Start to begin recording signal traffic. 3.
Troubleshooting 6. Click Export to open file download window, and then save the file to your local system. How to export system log? We may need you to provide a system log to help analyze your problem. To export a system log via web user interface: 1. Click on Settings->Configuration. 2. Select 6 from the pull-down list of System Log Level. 3. Click Confirm to accept the change. The web user interface prompts “Do you want to restart your machine?”. The configuration will take effect after reboot.
User Guide for the SIP-T28P IP Phone 6. Click Export to open file download window, and then save the file to your local system. You can also export the system log to a syslog server. Contact your system administrator for more information. Note It is recommended you reset the sytem log level to 3 after having the syslog file provided. How to export/import phone configurations? We may need you to provide the phone configurations to help analyze your problem.
Troubleshooting To import the phone configurations via web user interface: Note 1. Click on Settings->Configuration. 2. Click Browse to locate a configuration file from your local system. 3. Click Import to import the configuration file. The file format of configuration file must be *.bin. How to upgrade firmware? To upgrade firmware via web user interface: 1. Click on Settings->Upgrade. 2. Click Browse to locate the firmware from your local system. 3. Click Upgrade to upgrade the firmware.
User Guide for the SIP-T28P IP Phone 2. Press or to scroll to Reset to Factory, and then press the Enter soft key. The LCD screen prompts “Reset to factory settings?”. 3. Press the OK soft key. The LCD screen prompts “Resetting…Please Wait!”. The LCD screen prompts “Welcome Initializing…Please Wait”. The phone will be reset to factory sucessfully after startup. Note 140 Reset of your phone may take a few minutes. Do not power off until the phone starts up successfully.
Regulatory Notices Contact your Yealink Authorized Reseller for information about service agreements applicable to your product.
User Guide for the SIP-T28P IP Phone Keep the device dry and free of dusts. 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 dissipation. Do not place the device on or near any inflammable or fire-vulnerable object, such as rubber-made materials.
Appendix A-Time Zones Time Zone −11:00 −10:00 −10:00 −09:00 −08:00 −08:00 −08:00 −07:00 −07:00 −07:00 −07:00 −06:00 −06:00 −06:00 −06:00 −05:00 −05:00 −05:00 −05:00 −04:30 −04:00 −04:00 −04:00 −04:00 −04:00 −04:00 −03:30 −03:00 −03:00 −03:00 −03:00 −02:00 −01:00 0 0 0 0 0 0 0 0 +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 Time Zone Name Samoa United States-Hawaii-Aleutian United States-Alaska-Aleutian United States-Alaska Time Canada(Vancouver, Whitehorse) Mexico(Tijuana, Mexicali
User Guide for the SIP-T28P IP Phone Time Zone +01:00 +01:00 +01:00 +01:00 +01:00 +01:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +02:00 +03:00 +03:00 +03:00 +03:30 +04:00 +04:00 +04:00 +04:00 +04:00 +04:30 +05:00 +05:00 +05:00 +05:00 +05:30 +06:00 +06:00 +07:00 +07:00 +08:00 +08:00 +08:00 +09:00 +09:00 +09:30 +09:30 +10:00 +10:00 +10:00 +10:00 +10:30 +11:00 +12:00 +12:45 +13:00 144 Time Zone Name Hungary(Budapest) Italy(Rome) Luxembourg(Luxembourg) Maced
Index A About This Guide v Account Management 62 Account Registration 62 Adding Contacts 35 Adding Groups 33 Administrator password 24 Anonymous Call 106 Anonymous Call Rejection 107 Answering Calls 77 Area Code 68 Attaching Stand 11 Audio Settings 29 Auto Answer 80 Auto Redial 81 Automatic Call Distribution (ACD) B Backlight 20 Basic Network Settings Blacklist 44 Block Out 69 Busy Lamp Field (BLF) 15 109 C Call Completion 83 Call Forward 89 Call History Management 48 Call Hold/Resume 85 Call Mute 84 Ca
User Guide for the SIP-T28P IP Phone Music on Hold 121 N Network Conference Network Connection No answer Forward 99 11 89 O Outgoing Intercom Calls Overview 1 115 P Packaging Contents 9 Phone Initialization 14 Phone Installation 11 Phone Status 14 Phone User Interface 6 Placing Calls 75 Placing Calls to Contacts 39 Programmable Keys 61 R Receiving RTP Stream 119 Recent Call In Dialing 79 Redialing Numbers 79 Registration 17 Regulatory Notices 141 Remote Phone Book 46 Replace Rule 65 Ring Tones 29 S S
