%QR[TKIJV 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.
operation. %NCUU $ &KIKVCN &GXKEG QT 2GTKRJGTCN 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.
)07 )2. +0(14/#6+10 Yealink SIP-T48G 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 #DQWV 6JKU )WKFG Thank you for choosing the SIP-T48G IP Phone, an ultra-elegant gigabit IP Phone which is 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 for the SIP-T48G IP Phone z Line Keys on page 66 z Anonymous Call on page 124 z Troubleshooting z Appendix x on page 153 A - Time Zones on page 167
About This Guide xi
Overview 6CDNG QH %QPVGPVU About This Guide ......................................................................... ix In This Guide............................................................................................................................. ix Summary of Changes ............................................................................................................ ix Changes for Release 71, Guide Version 71.150..............................................................
User Guide for the SIP-T48G IP Phone Audio Settings ....................................................................................................................... 36 Volume................................................................................................................................ 36 Ring Tones........................................................................................................................... 37 Contact Management........................................
Overview Busy Lamp Field (BLF) ......................................................................................................... 127 Call Recording .................................................................................................................... 130 Hot Desking.......................................................................................................................... 132 Intercom.....................................................................................
User Guide for the SIP-T48G IP Phone Overview This chapter provides the overview of the SIP-T48G IP phone. Topics include: z Hardware z Icon Component Instructions Instructions z LED Instructions z User Interfaces z Documentations If you require additional information or assistance with your new phone, contact your system administrator. *CTFYCTG %QORQPGPV +PUVTWEVKQPU The main hardware components of the SIP-T48G IP phone are the LCD screen and the keypad.
Overview Hardware component instructions of the SIP-T48G IP phone are: Item Description Shows information about calls, messages, soft keys, time, date and other relevant data: • Call information—caller ID, call duration Ԙ LCD Screen • Icons (for example, ) • Missed call text or second incoming caller information • Prompt text (for example, "Saving file, please wait") • Time and date ԙ Power Indicator LED Indicates phone power and some feature statuses.
User Guide for the SIP-T48G IP Phone +EQP +PUVTWEVKQPU Icons appearing on the LCD screen are described in the following table: Icons Description Network is unavailable Registered successfully Register failed Registering Hands-free speakerphone mode Handset mode Headset mode Multi-lingual lowercase letters input mode Multi-lingual uppercase letters input mode Alphanumeric input mode Numeric input mode Multi-lingual uppercase and lowercase letters input mode Voice Mail Text Message Auto Answer
Overview 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 Bluetooth Bluetooth headset is both paired and connected Conference The contact icon The default caller photo 7
User Guide for the SIP-T48G IP Phone .'& +PUVTWEVKQPU Power Indicator LED LED Status 8 Description Solid red The phone is initializing. Fast flashing red The phone is ringing. Slow flashing red The phone receives a text message or voice mail. Off The phone is powered off, powered on or idle.
Overview 7UGT +PVGTHCEGU Two ways to customize configurations of your SIP-T48G IP phone: z The user interface on the IP phone. z The user interface in a web browser on your PC. The hardware components keypad and LCD screen constitute the phone user interface, which allows the user to execute all call operation tasks and basic configuration changes directly on the phone. In addition, you can use the web user interface to access all configuration settings.
User Guide for the SIP-T48G IP Phone Options Phone User Interface Web User Interface --Accounts 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 --DND Basic Phone Settings --Language --Time & Date --Administrator Password --Ring Tones --Contrast --Wallpaper --Backlight
Overview --Intercom --Multicast Paging --Music on Hold --ACD --Messages SIP Account --User Options --Register Status --Account Status --Label --Display Name --Register Name --User Name --Password --SIP Server 1/2 --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.
User Guide for the SIP-T48G IP Phone Note You can also download the latest documentations online: http://www.yealink.com/DocumentDownload.aspx?CateId=142&flag=142.
Overview 13
User Guide for the SIP-T48G IP Phone )GVVKPI 5VCTVGF This chapter provides the following basic installation instructions and information for obtaining the best performance with the SIP-T48G IP phone. Topics include: z Packaging Contents z Phone Installation z Phone Initialization z Phone Status z Basic Network Settings z Registration z Idle Screen If you require additional information or assistance with your new phone, contact your system administrator.
Getting Started z Wall Mount Bracket (Optional) z Power Adapter (Optional) z Handset & Handset Cord z Ethernet Cable z Quick Installation Guide & Quick Reference Guide 15
User Guide for the SIP-T48G IP Phone z CD-ROM Check the list before installation. If you find anything missing, contact your system administrator. 2JQPG +PUVCNNCVKQP If your phone is already installed, proceed to Phone Initialization on page 19.
Getting Started Wall Mount Method (Optional) Note The wall mount bracket should be purchased separately. For more information on how to attach the wall mount bracket, refer to Yealink Wall Mount Quick Installation Guide for T4X IP Phones. 2) Note Connect the handset and optional headset The headset, wireless headset adapter EHS36 and Bluetooth USB dongle BT40 should be purchased separately. The EXT port can also be used to connect an expansion module EXP40.
User Guide for the SIP-T48G IP Phone 1. Connect the DC plug on the power adapter to the DC5V port on the phone and connect the other end of the power adapter into an electrical power outlet. 2. Connect the included or a standard Ethernet cable between the Internet port on the phone and the one on the wall or switch/hub device port. Power over Ethernet With the included or a regular Ethernet cable, the SIP-T48G IP phone can be powered from a PoE-compliant switch or hub. To connect the PoE: 1.
Getting Started 2JQPG +PKVKCNK\CVKQP 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 IPv4 network settings (e.g.
User Guide for the SIP-T48G IP Phone 1. Open the web browser on your computer. 2. Enter the IP address in the browser’s address bar, and then press the Enter key. 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. $CUKE 0GVYQTM 5GVVKPIU If your phone cannot contact a DHCP server for any reason, you need to configure network settings manually.
Getting Started 4. Press the Save soft key to accept the change or the Back soft key to cancel. To configure a static IPv6 address via phone user interface: 1. Press Menu->Advanced (password: admin) ->Network->WAN Port->IPv6. 2. Press 3. Enter the desired values in the IP Address, IPv6 IP Prefix, Gateway, Primary DNS and or , or the Switch soft key to select the Static IP from the Type field. Secondary DNS fields respectively. 4.
User Guide for the SIP-T48G IP Phone 4GIKUVTCVKQP Generally, your phone will be deployed with multiple other phones. In this case, your system administrator will configure the phone parameters beforehand, so that after you start up your phone, the phone will be registered and ready for use. If your phone is not registered, you may have to register it. For more information on how to register your phone, refer to Account Management on page 78.
Getting Started 23
User Guide for the SIP-T48G IP Phone 24
Customizing Your Phone %WUVQOK\KPI ;QWT 2JQPG You can customize your SIP-T48G 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-T48G IP Phone 2. Press or , or the Switch soft key to select the desired wallpaper image. 3. Press the Save soft key to accept the change or the Back soft key to cancel. Wallpaper is configurable via web user interface at the path Settings->Preference. To upload the customized wallpaper via web user interface: 1. Click on Settings->Preference. 2. In the Upload Wallpaper field, click Browse to select the wallpaper image from your local system. 3.
Customizing Your Phone To configure the backlight via phone user interface: 1. Press Menu->Basic->Display->General. 2. Press or , or the Switch soft key to select the desired level from the Backlight On Intensity field. 3. Press or , or the Switch soft key to select the desired value from the Backlight Idle Intensity field. 4. Press or , or the Switch soft key to select the desired time from the Backlight Time field. 5.
User Guide for the SIP-T48G IP Phone 3. Press the Save soft key to accept the change or the Back soft key to cancel. .CPIWCIG 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 by default. You can change the language for the phone user interface and the web user interface respectively.
Customizing Your 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. 6KOG &CVG The time and date are displayed on the LCD screen when the phone is idle. You can configure the phone to obtain the time and date from the SNTP server automatically, or configure the time and date manually.
User Guide for the SIP-T48G IP Phone 4. Press or , or the Switch soft key to select the desired value from the Daylight Saving field. 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->Basic->Time & Date->General->Manual Settings. 2. Enter the specific date and time. 3.
Customizing Your Phone 2. Press or , or the Switch soft key to select the desired date format from the Date Format field. 3. Press or , or the Switch soft key to select the desired time format (12 Hour or 24 Hour) from the Time Format field. 4. Press the Save soft key to accept the change or the Back soft key to cancel. There are 7 available date formats.
User Guide for the SIP-T48G IP Phone 2. Enter the old password in the Current Password field. 3. Enter the new password in the New Password field. 4. Enter the new password again in the Confirm Password field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Administrator password is configurable via web user interface at the path Security->Password. -G[ CU 5GPF You can set the "#" or "*" to perform as a send key while dialing.
Customizing Your Phone feature helps to protect your phone from unauthorized use. Keypad lock consists of the following: Menu Key: The Menu soft key is locked. You cannot access the menu of the phone until unlocked. Function Keys: The function keys are locked. You cannot use the MESSAGE, REDIAL, HOLD, MUTE, TRANSFER, OK, X, navigation keys, soft keys and line keys until unlocked. All Keys: All keys are locked except the Volume key.
User Guide for the SIP-T48G IP Phone The LCD screen prompts “Keypad Lock!” and displays the icon . You can configure the interval (in seconds) to automatically lock the keypad instead of long pressing . To configure the interval of automatic keypad lock via web user interface: Note 1. Click on Features->Phone Lock. 2. Enter the desired time in the Phone Lock Time Out (0~3600s) field. 3. Click Confirm to accept the change. The default timeout is 0 second, that is, you can long press only.
Customizing Your Phone 1. Press Menu->Basic->Phone Unlock PIN. 2. Enter the desired values in the Current PIN, New PIN and Confirm PIN fields respectively. 3. Note Press the Save soft key to accept the setting or the Back soft key to cancel. The unlock PIN length must be within 15 characters. To unlock the keypad via phone user interface: 1. Press any locked key, the LCD screen prompts “Unlock PIN”. 2. Enter the PIN in the Unlock PIN field. 3. Press the OK soft key to unlock the keypad.
User Guide for the SIP-T48G IP Phone 2. Press or , or the Switch soft key to select Disabled from the Keypad Lock Enable field. 3. Press the Save soft key to accept the change. Keypad lock is configurable via web user interface at the path Features->Phone Lock. #WFKQ 5GVVKPIU 8QNWOG You can press the volume key to adjust the ringer volume when the phone is idle.
Customizing Your Phone To adjust the volume when the phone is during a call: 1. Press to adjust the volume of currently engaged audio device (handset, speakerphone or headset). 4KPI 6QPGU Ring tones are used to indicate incoming calls. You can select different ring tones to distinguish different accounts registered on your phone, or to distinguish your phone from your neighbor’s. To select a ring tone for the phone via phone user interface: 1. Press Menu->Basic->Sound->Ring Tones. 2. Press 3.
User Guide for the SIP-T48G IP Phone If Common is selected, this account will use the ring tone selected for the phone. Refer to the above instruction. 5. Note Click Confirm to accept the change. A ring tone for the account is configurable via web user interface only. The ring tone for an incoming call on the phone may be different.
Customizing Your Phone 3. Note Click Upload to upload the file. All custom ring tone files must be within 100KB. Uploading custom ring tones for your phone is configurable via web user interface only. %QPVCEV /CPCIGOGPV This section provides the operating instructions for managing contacts. Topics include: z Directory z Local Directory z Blacklist z Remote Phone Book &KTGEVQT[ Directory provides easy access to frequently used lists.
User Guide for the SIP-T48G IP Phone The LCD screen displays the list(s) in the adjusted order. 6. Note Click Confirm to accept the change. Directory is configurable via web user interface only. To check directory via phone user interface: 1. Press the Directory soft key when the phone is idle. The LCD screen displays the enabled list(s) in the directory. If there is only one list in the directory, press the Directory soft key to enter this list directly.
Customizing Your Phone .QECN &KTGEVQT[ The built-in phone directory can store the names and phone numbers of your contacts. You can store up to 1000 contacts and 50 groups in your phone's local directory. There are four default groups in the local directory: All Contacts, Company, Family and Friend. You can add new groups and contacts; edit, delete or search for a contact; or simply dial a contact number from the local directory. )TQWRU To add a group to the local directory: 1.
User Guide for the SIP-T48G IP Phone You can also edit or delete the Company, Family and Friend contact groups. 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 Group to enter the local directory. 42 2. Select the desired contact group. 3.
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 Group to enter the local directory. 2. Select the desired contact group. 3. Press the Option soft key and then select Delete from the prompt list. The LCD screen prompts the following warning: 4.
User Guide for the SIP-T48G IP Phone 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 Group to enter the local directory. 2. Select the desired contact group and press the Enter soft key. 3. Press the Add soft key. 4. Enter the name and the office, mobile or other numbers in the corresponding fields. 5.
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 highlight the desired entry. The entry is successfully saved to the local directory.
User Guide for the SIP-T48G IP Phone 'FKVKPI %QPVCEVU To edit a contact 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 Group to enter the local directory. 46 2. Select the desired contact group and press the Enter soft key. 3. Press 4.
Customizing Your Phone &GNGVKPI %QPVCEVU To delete a contact 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 Group to enter the local directory. 2. Select the desired contact group and press the Enter soft key. 3. Press 4. Press the Option soft key, and then select Delete from the prompt list.
User Guide for the SIP-T48G IP Phone 3. Click Upload Photo to upload the photo. You can also click Delete Photo to delete the photo. Note The phone only supports the .png, .jpg and .bmp format files. You can only delete the custom photo. To change the custom photo for the contact via web user interface: 1. Click on Directory->Local Directory. 2. Click to select the desired entry which you want to edit. 3. Select the desired photo from the pull-down list of Photo. 4.
Customizing Your Phone 2NCEKPI %CNNU VQ %QPVCEVU To place a call to a contact 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 Group to enter the local directory. 2. Select the desired contact group and press the Enter soft key. 3. Press 4.
User Guide for the SIP-T48G 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 Group to enter the local directory. 2. Press the Search soft key. 3. Enter a few continuous characters of the contact name or the contact number using the keypad. The contacts whose name or phone number matches the characters entered will appear on the LCD screen.
Customizing Your Phone 5. To adjust the display order of the enabled list, select the desired list, and click or . 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 an entry in the enabled search source lists: 1. Pick up the handset, press the speakerphone key or press the line key. 2.
User Guide for the SIP-T48G IP Phone +ORQTVKPI 'ZRQTVKPI %QPVCEV .KUVU You can manage your phone’s local directory via phone user interface or web user interface. But you can only import or export the contact list via web user interface. To import an XML file of contact list via web user interface: 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.
Customizing Your 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 Importing/exporting contact lists is available via web user interface only.
User Guide for the SIP-T48G IP 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 directory. 5. Press the Save soft key to accept the change or the Back soft key to cancel. To add a contact to the blacklist directory from the local directory: 1.
Customizing Your Phone The LCD screen prompts the following warning: 5. Press the OK soft key to confirm the setting. For operating instructions on editing, deleting, placing calls to and/or searching for contacts in the blacklist directory, refer to the operating instructions of Local Directory on page v. 4GOQVG 2JQPG $QQM You can add local contacts, search for a contact, or simply dial a contact number from the corporate directory.
User Guide for the SIP-T48G IP Phone To access your corporate directory via phone user interface: 1. Press Directory->Remote Phone Book. If Remote Phone Book is removed from the directory, press Menu->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.
Customizing Your Phone To place a call from the corporate directory: 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 to load the corporate directory. 3. Select the desired contact in the corporate directory. 4. Press the Send soft key.
User Guide for the SIP-T48G IP Phone To enable history record via phone user interface: 1. Press Menu->Call Features->Others->General. 2. Press or , or the Switch soft key to select Enabled 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 call records. 2.
Customizing Your Phone 6. Press the Save soft key. For more information, refer to Contact Management on page 39. To delete an entry from the call history list: 1. Press the History soft key. 2. Press or to switch between All, Missed, Placed, Received and Forwarded or to select the desired entry. call lists. 3. Press 4. Press the Delete soft key. To delete all entries from the call history list: 1. Press the History soft key. 2.
User Guide for the SIP-T48G IP Phone connected to your headset automatically. Enter the desired number and press the Send soft key, then the phone will place a call using the headset automatically. For more information on using the headset to place a call, refer to Placing Calls on page 90. To deactivate the headset mode: 1. Press again on the phone. The HEADSET key LED goes out when the headset mode is deactivated. *GCFUGV 2TKQT You can use headset in priority when enabling headset prior.
Customizing Your Phone &WCN *GCFUGV You can use two headsets when enabling dual headset. To use this feature, you must physically connect headsets to the headset jack and handset jack respectively. Once the phone connects to a call, the headset connected to the headset jack will have full-duplex capabilities, while the one connected to the handset jack will only be able to listen. To enable dual headset via web user interface: Note 1. Click on Features->General Information. 2.
User Guide for the SIP-T48G IP Phone To activate the Bluetooth mode via phone user interface: 1. Press Menu->Basic->Bluetooth. 2. Press 3. Press the Save soft key to accept the change. or , or the Switch soft key to select On from the Bluetooth field. The LCD screen displays the Bluetooth icon . To deactivate the Bluetooth mode via phone user interface: 1. Press Menu->Basic->Bluetooth. 2. Press 3. Press the Save soft key to accept the change.
Customizing Your Phone The LCD screen prompts the following message: The phone proceeds to scan the local Bluetooth devices. When the phone completes scan, it will display the found Bluetooth devices on the LCD screen. 3. Select the desired Bluetooth headset and press Connect soft key. 4. Enter the PIN in the Password field. The default PIN is “0000” or “1234”. 5. Press the OK soft key. After a while, the Bluetooth headset is automatically connected to your phone.
User Guide for the SIP-T48G IP Phone The Bluetooth icon appears on the LCD screen. With the Bluetooth headset paired and connected, you can use the Bluetooth headset to place and answer calls. For more information, refer to the documentation from the Bluetooth headset manufacturer. To view the Bluetooth headset information: 1. Press Menu->Basic->Bluetooth->Paired Bluetooth Device. The LCD screen displays a list of paired and connected Bluetooth headsets. 2. Select the desired Bluetooth headset. 3.
Customizing Your Phone z Auto Connection: Enables or disables the Bluetooth headset to connect with the phone automatically. To change the priority of paired Bluetooth devices˖ 1. Press Menu->Basic->Bluetooth->Paired Bluetooth Device. 2. Select the desired Bluetooth headset. 3. Press the Option soft key, and then select Move Up or Move Down from the prompt list. The top one has the highest priority.
User Guide for the SIP-T48G IP Phone 4. Note Press the OK soft key to confirm the deletion or the Cancel soft key to cancel. You can also delete all headsets by pressing the Option soft key and then select Delete All. For more information, refer to the above steps. If you cannot connect a Bluetooth headset to the phone successfully, we recommend you to delete the Bluetooth headset in the Paired Bluetooth Device list (if existed) before pairing it.
Customizing Your Phone You can assign functionalities to 27 line keys. These 27 line keys are indicated on three pages. When you assign functionality to line keys located in line key 1-10, the labels of line keys are indicated on the first page. The following figure shows an example: When you assign functionality to line key located in line key 11-27, the label of the line key 10-18 are indicated on the second page, and the labels of the line key 19-27 are indicated on the third page.
User Guide for the SIP-T48G IP Phone non-current page. Solid red: There is a parked call on the non-current page. Fast flashing: 1 The line receives an incoming call on the non-current page. To configure the page icon to indicate status via web user interface: Note 1. Click on DSSKey->Line Key. 2. Select Enabled from the pull-down list of Enable Page Tips. 3. Click Confirm to accept the change. The page icon status is configurable via web user interface only.
Customizing Your Phone z Forward z Transfer z Hold z DND z SMS z Group z Zero Listening Touch z URL z Keypad Lock z Directory For more information, contact your system administrator. 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.
User Guide for the SIP-T48G IP Phone Voice Mail You can use this key feature to connect voice mail quickly. For more information, refer to Voice Mail on page 147. Dependencies: Type (Key Event) Key Event (Voice Mail) Account ID (the account this feature will be applied to) Label (key label displayed on the LCD screen) Value (the voice mail access code) Usage: Press the DSS key to dial out the voice mail access code, you can follow the voice prompt to listen to the voice mails.
Customizing Your Phone Label (key label displayed on the LCD screen) Value (DTMF sequence) Note DTMF sequence can only contain "0-9", "*", "#" and "A-D". Usage: Press the DSS key during an active call to send the key sequence specified in the Value field. Prefix You can use this key feature to add a specified prefix number before the dialed number.
User Guide for the SIP-T48G IP Phone you to create custom services which meet your functional requirements on the server. You can customize practical applications, such as weather report, stock information, Google search, etc. Dependencies: Type (Key Event) Key Event (XML Browser) Label (key label displayed on the LCD screen) Value (the access URL for XML browser) Usage: Press the DSS key to access the XML browser specified in the Value field.
Customizing Your Phone Label (key label displayed on the LCD screen) Value (the number you want to forward to) Usage: 1. Press the DSS key to forward an incoming call to the number specified in the Value field. 2. When call forward is in phone mode, press the DSS key to activate call forward for the phone. 3. When call forward is in custom mode, press the DSS key to access the custom call forward interface. You can activate or deactivate call forward for one or all accounts.
User Guide for the SIP-T48G IP Phone Dependencies: Type (Key Event) Key Event (Hold) Label (key label displayed on the LCD screen) 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 101.
Customizing Your Phone Label (key label displayed on the LCD screen) 75
User Guide for the SIP-T48G 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.
Customizing Your Phone Directory You can use this key feature to easily access frequently used lists. For more information, refer to Directory on page 39. Dependencies: Type (Key Event) Key Event (Directory) Label (key label displayed on the LCD screen) Usage: Press the DSS key to immediately access to frequently used lists. Note The DSS key performs the same function as the Directory soft key when the phone is idle. 2TQITCOOCDNG -G[U You can customize the soft keys, navigation keys and function keys.
User Guide for the SIP-T48G IP Phone #EEQWPV /CPCIGOGPV You can register one or multiple accounts on the SIP-T48G IP phone. You can also configure each line key to associate with an account or configure multiple line keys to associate with an account. #EEQWPV 4GIKUVTCVKQP To register an account via phone user interface: 1. Press Menu->Advanced (password: admin) ->Account. 2. Select the desired account and then press the Enter soft key. 3. Select Enabled from the Account Status field. 4.
Customizing Your Phone To disable an account via phone user interface: 1. Press Menu->Advanced (password: admin) ->Account. 2. Select the desired account and then press the Enter soft key. 3. Select Disabled from the Account Status field. 4. Press the Save soft key to accept the change or the Back soft key to cancel. Registering an account is configurable via web user interface at the path Account->Register. /WNVKRNG .
User Guide for the SIP-T48G IP Phone Basic expression syntaxes you need to know: Syntax Description The dot "." can be used as a placeholder or multiple placeholders for . any character. Example: "12." would match "123", "1234", "12345", "12abc", etc. An "x" can be used as a placeholder for any character. Example: x "12x" would match "121", "122", "123", "12a", etc. The square brackets "[]" can be used as a placeholder for a single [] character which matches any of a set of characters.
Customizing Your Phone 4. Enter the desired line ID in the Account field or leave it blank. 5. Click Add to add the replace rule. When you enter the number “234” using the keypad and then press the Send soft key, the phone will dial out “12345” instead. Note Valid values of Account field can be one or more digits among 1, 2, 3, 4, 5 and 6. Every two digits must be separated by a “,”.
User Guide for the SIP-T48G IP Phone &KCN PQY You can configure one or more dial-now rules (at most 100) on your phone. When the dialed number matches the dial-now string, the number will be dialed out automatically. For example, a dial-now rule is configured as "2xx", then any entered three-digit string beginning with 2 will be dialed out automatically on the phone. To add a dial-now rule via web user interface: 1. Click on Settings->Dial Plan->Dial-now. 2. Enter the desired value (e.g.
Customizing Your Phone 2. Enter the time within 1-14 (in seconds) in the Time-Out For Dial-Now Rule field. 3. Click Confirm to accept the change. Note Delay time for dial-now rule is configurable via web user interface only. #TGC %QFG Area codes are also known as Numbering Plan Areas (NPAs). They usually indicate geographical areas in a country. This feature is necessary only when dialing the number outside the code area.
User Guide for the SIP-T48G IP Phone For more information on the valid value of the Account field, refer to Replace Rule on page 80. 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. $NQEM 1WV You can block some specific numbers (at most 10) from being dialed on your phone.
Customizing Your Phone For more information on the valid value of the Account field, refer to Replace Rule on page 80. 4. Note Click Confirm to add the block out number. Block out number is configurable via web user interface only. 'OGTIGPE[ 0WODGT Public telephone networks in countries around the world have a single emergency telephone number (emergency services number), that allows a caller to contact local emergency services for assistance when necessary.
User Guide for the SIP-T48G IP Phone For multiple emergency numbers, enter “,” between every two numbers. The default emergency numbers are 110, 911 and 120. 3. Note Click Confirm to accept the change. Emergency number is configurable via web user interface only. .KXG &KCNRCF You can enable live dialpad on the SIP-T48G IP phone, which enables the IP phone to automatically dial out the phone number without pressing any other key.
Customizing Your Phone 3. Enter the desired delay time in the Inter Digit Time (1~14s) field. The default delay time is 4s. 4. Note Click Confirm to accept the change. Live dialpad is configurable via web user interface only. *QVNKPG You can dial a hotline number immediately upon lifting the handset, pressing the speakerphone key or the line key. You can also configure a delay, where the phone will dial out the hotline number automatically after the specified period of time.
User Guide for the SIP-T48G IP Phone Hotline is configurable via web user interface at the path Features->General Information.
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User Guide for the SIP-T48G IP Phone $CUKE %CNN (GCVWTGU The SIP-T48G 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-T48G IP phone.
Basic Call Features z Using the speakerphone z 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 39 and Call History Management on page 57.
User Guide for the SIP-T48G IP Phone - With the handset on-hook, enter the desired number using the keypad. 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.
Basic Call Features z Using Note the headset 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 the incoming calls without ring on your phone. For more information, refer to Do Not Disturb (DND) on page 93. You can forward incoming calls to someone else by pressing the Forward soft key. For more information, refer to Call Forward on page 97.
User Guide for the SIP-T48G IP Phone 'PFKPI %CNNU To end a call: Do one of the following: - If you are using the handset, press the End Call soft key or hang up the handset. - If you are using the headset, press the End Call soft key. - If you are using the speakerphone, press Note or the End Call soft key. To end a call placed on hold, you can press the End Call soft key to end the call directly, or press the Resume soft key to resume the call before ending it.
Basic Call Features 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 interface: 1. Pick up the handset, press the speakerphone key or press the line key. The LCD screen displays the placed calls list. #WVQ #PUYGT You can use auto answer to automatically answer an incoming call on a line.
User Guide for the SIP-T48G IP Phone 1. Press Menu->Call Features->Auto Answer. 2. Select the desired line and then press the Enter soft key. 3. Press or , or the Switch soft key to select Enabled 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.
Basic Call Features The default value is 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 LCD screen prompts the following: 1. Press the OK soft key to activate auto redial. The following prompt will appear on the LCD screen of the phone: 2. Wait for a period of time or press the OK soft key to redial the phone number.
User Guide for the SIP-T48G IP Phone %CNN %QORNGVKQP 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->Call Features->Others->Call Completion. 2. Press or , or the Switch soft key to select Enabled from the Call Completion field. 3. Press the Save soft key to accept the change or the Back soft key to cancel.
Basic Call Features 2. When the called party becomes idle, the LCD screen prompts the following: 3. Press the OK soft key to redial the number. Note Call completion is not available on all servers. For more information, contact your system administrator. %CNN 4GVWTP 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->Call Features->DSS Keys. 2. Select a desired DSS key. 3.
User Guide for the SIP-T48G IP Phone %CNN /WVG You can mute the microphone of the active audio device during an active call, and then the other party cannot hear you. To mute a call: 1. Press during an active call. The LCD screen indicates that the call is on mute. The mute key LED illuminates solid red when the call is on mute. To un-mute a call: 1. Press again to un-mute the call. %CNN *QNF 4GUWOG You can place an active call on hold. Only one active call can be in progress at any time.
Basic Call Features The line key LED flashes green. The phone will beep softly every 30 seconds to remind you that you still have a call on hold. To resume a held call: 1. Press or the Resume soft key. 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 call.
User Guide for the SIP-T48G IP Phone Note 2. In the DND block, mark the desired radio box in the Mode field. 3. 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.
Basic Call Features The LCD screen displays a list of accounts on the phone. 2. Press or to select the desired account. 3. Press or soft key to select On to activate DND. 4. Press the Save soft key to accept the change. The to icon appears on the idle screen, and the associated line icon changes . Incoming calls on the specific line will be rejected automatically, and the LCD screen will prompt "n New Missed Call(s)" ("n" indicates the number of the missed calls).
User Guide for the SIP-T48G IP Phone 2. Press the All On soft key to activate DND for all accounts. 3. Press the Save soft key to accept the change. The icon appears on the idle screen, and all line icons change to . Incoming calls will be rejected automatically, and the LCD screen will prompt "n New Missed Call(s)" ("n" indicates the number of the missed calls). Note The prompt message displays only if Missed Call Log for the line is enabled.
Basic Call Features 4. Click Confirm to accept the change. When DND is enabled on the phone, the phone can still receive incoming calls from the numbers specified in the DND Authorized Numbers field. Note DND authorized number is configurable via web user interface only. %CNN (QTYCTF 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.
User Guide for the SIP-T48G IP Phone To configure the call forward mode via web user interface: Note 1. Click on Features->Forward & DND. 2. In the Forward block, mark the desired radio box in the Mode field. 3. Click Confirm to accept the change. Call forward mode is configurable via web user interface only. To enable call forward in phone mode: 1. Press Menu->Call Features->Call Forward. 2. Press or to select the desired forwarding type, and then press the Enter soft key. 3.
Basic Call Features b.) If you select Busy Forward: 1) Press or , or the Switch soft key to select Enabled from the Busy Forward field. 2) Enter the destination number you want to forward incoming calls to when the phone is busy in the Forward To field.
User Guide for the SIP-T48G IP Phone 3) (Optional.) Enter the busy forward on code or off code respectively in the On Code or Off Code field. c.) If you select No Answer Forward: 1) Press or , or the Switch soft key to select Enabled from the No Answer Forward 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.
Basic Call Features a.) If you select Always Forward, you can enable it for a specific account. 1) Press or , or the Switch soft key to select Enabled from the Always Forward field. 2) Enter the destination number you want to forward all incoming calls to in the Forward To field. 3) (Optional.) Enter the always forward on code or off code respectively in the On Code or Off Code field. You can also enable always forward for all accounts.
User Guide for the SIP-T48G IP Phone 3) (Optional.) Enter the busy forward on code or off code respectively in the On Code or Off Code field. You can also enable busy forward for all accounts. After busy forward was enabled for a specific account, do the following: 1) Press or to highlight the Busy Forward field. 2) Press the All Lines soft key. 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. c.
Basic Call Features 4) (Optional.) Enter the no answer forward on code or off code respectively in the On Code or Off Code field. You can also enable no answer forward for all accounts. After no answer forward was enabled for a specific account, do the following: 1) Press or to highlight the No Answer Forward field. 2) Press the All Lines soft key. 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. 5.
User Guide for the SIP-T48G IP Phone To disable call forward in phone mode: Do one of the following: - Press when the phone is idle. - Press Menu->Call Features->Call Forward. Press or to select the desired forwarding type, then press the Enter soft or , or the Switch soft key to select Disabled to disable the call key. Press forward. Press the Save soft key to accept the change. To disable call forward in custom mode for a specific account: 1.
Basic Call Features %CNN 6TCPUHGT You can transfer a call to another party in one of the three ways: z Blind Transfer: Transfer a call directly to another party without consulting. z Semi-Attended z Attended Transfer: Transfer a call when the target phone is ringing. 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. 3. Press to complete the transfer.
User Guide for the SIP-T48G IP Phone 4. Press ringback.
Basic Call Features To perform an attended transfer: 1. Press or the Transfer soft key during a call. 2. Do one of the following: Enter the number you want to transfer the call to. - Press the Directory soft key, and then select Local Directory. Select the desired group and search for the contact (Directory should be configured in advance. Refer to Directory on page 39 for more information). - Press the Directory soft key, and then select Local Calllog.
User Guide for the SIP-T48G IP Phone 4. (Optional.) Enter the call waiting on code or off code respectively in the On Code or Off Code field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Call waiting is configurable via web user interface at the path Features->General Information. %QPHGTGPEG You can create a conference with two parties using the phone’s local conference.
Basic Call Features 4. When the second party answers the call, press the Conference soft key again to join all parties in the conference. To join two calls in a conference: 1. Place two calls using two different accounts on the phone (for example, place the first call using account 1, and then place the second call using account 2). 2. Press or to select the call for conference and make sure the call is active (for example, select the call on account 1). 3.
User Guide for the SIP-T48G IP Phone advance. To configure network conference via web user interface: 1. Click on Account->Advanced. 2. Select Network Conference from the pull-down list of Conference Type. 3. Enter the conference URI (e.g., conference@example.com) in the Conference URI field. 4. 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.
Basic Call Features 8. Repeat steps 5 to 7 until you have added all intended parties. The procedures to set up a network conference call on specific servers may be different from introduced above. Contact your system administrator for more information. %CNN 2CTM You can use call park 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.
User Guide for the SIP-T48G IP Phone 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. The user dials the call park retrieve code to retrieve the parked call. The system establishes call between phone C and B. Note The call park code and call park retrieve code are predefined on the system server. Contact your system administrator for more information.
Basic Call Features 4. Click Confirm to accept the change. To configure the directed call pickup code on a per-line basis via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced. 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. 2. The DPickup soft key appears on the LCD screen. 3.
User Guide for the SIP-T48G IP Phone The call is answered on your phone. You can also configure a DSS key as a directed pickup key via phone user interface or web user interface. You can pick up a call by pressing the directed pickup key directly. Group Call Pickup To enable the group call pickup and configure the group call pickup code on a global basis via web user interface: 1. Click on Features->Call Pickup. 2. Select Enabled from the pull-down list of Group Call Pickup. 3.
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. 2. The GPickup soft key appears on the LCD screen. 3. 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.
User Guide for the SIP-T48G IP Phone #PQP[OQWU %CNN You can use anonymous call to block the identity and phone number from showing up to the called party when you call someone. For example, you want to call to consult some of the services, but don’t want to be harassed. Anonymous call is configurable on a per-line basis. 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. #PQP[OQWU %CNN 4GLGEVKQP 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->Call Features->Anonymous.
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Advanced Phone Features #FXCPEGF 2JQPG (GCVWTGU This chapter provides operating instructions for the advanced features of the SIP-T48G IP phone. Topics include: z Busy Lamp Field (BLF) z Call Recording z Hot Desking z Intercom z Multicast z Music Paging on Hold z Automatic Call Distribution (ACD) z Messages If you require additional information or assistance with your new phone, contact your system administrator. $WU[ .COR (KGNF $.
User Guide for the SIP-T48G IP Phone 7. (Optional.) Enter the pickup code in the Extension field. 8. Press the Save soft key to accept the change or the Back soft key to cancel. BLF key is configurable via web user interface at the path DSSKey->Line Key. You can enable audio alert for BLF pickup 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 When the monitored line receives an incoming call, the followings occur on the phone: z The phone plays a warning tone (if enabled). z The BLF key LED flashes red. z The caller ID appears on the LCD screen (if enabled). In the following figure, the LCD screen shows an incoming call from 3606 on the monitored line.
User Guide for the SIP-T48G IP Phone If you select New Call, press the BLF key to place a new call to the monitored user. 3. Note Click Confirm to accept the change. Transfer mode via DSS key is configurable via web user interface only. %CNN 4GEQTFKPI You can record calls by pressing a record key on the phone. The SIP-T48G IP phone supports record and URL record.
Advanced Phone Features 5. (Optional.) Enter a string that will appear on the LCD screen in the Label field. 6. 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->Call Features->DSS Keys. 2. Select the desired DSS key. 3. Press 4. (Optional.) Enter a string that will appear on the LCD screen in the Label field. 5. Enter the URL (e.g., http://10.1.2.224/phonerecording.cgi) in the URL Record field.
User Guide for the SIP-T48G IP Phone z There z You are no connected calls on your phone place a new call To record a call: 1. Press the 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.
Advanced Phone Features To configure a hot desking key via phone user interface: 1. Press Menu->Call Features->DSS Keys. 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 Event field. 5. (Optional.) Enter a string that will appear on the LCD screen in the Label field. 6. Press the Save soft key to accept the change or the Back soft key to cancel.
User Guide for the SIP-T48G IP Phone The login wizard will be shown as below: 3. Enter the login information in each field. 4. Press the Save soft key to login or the Back soft key to cancel. +PVGTEQO 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.
Advanced Phone Features 6. Enter the remote extension number in the Value field. 7. Press the Save soft key to accept the change or the Back soft key to cancel. Intercom key is configurable via web user interface at the path DSSKey->Line Key. To place an intercom call: 1. Press the intercom key when the phone is idle. The phone is automatically connected to the extension specified in the Value field. 2. Press the intercom key again or the Cancel soft key to end the intercom call.
User Guide for the SIP-T48G IP Phone 1. Press Menu->Call Features->Intercom. 2. Make the desired changes. 3. Press the Save soft key to accept the change or the Back soft key to cancel. These specific parameters are configurable via web user interface at the path Features->Intercom. Accept Intercom You can enable or disable the phone to automatically answer an incoming intercom call. If Accept Intercom is enabled, the phone automatically answers an incoming intercom call.
Advanced Phone Features /WNVKECUV 2CIKPI You can use multicast paging to quickly and easily forward time sensitive announcements out to people within the multicast group. You can configure a multicast paging key on the phone, which allows you to send a Real Time Transport Protocol (RTP) stream to the pre-configured multicast address(es) without involving SIP signaling. You can configure the phone to receive an RTP stream from pre-configured multicast listening address(es) without involving SIP signaling.
User Guide for the SIP-T48G IP Phone 2. Select the desired codec from the pull-down list of Multicast Codec. The default codec is G722. 3. Note Click Confirm to accept the change. If G722 codec is used for multicast paging, the LCD screen displays the icon indicate that is providing high definition voice. 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.
Advanced Phone Features Note 2. Press the Hold soft key to place the current multicast RTP session on hold. 3. Press the End Call soft key to cancel the multicast RTP session. Multicast RTP is one way only from sender to the multicast address(es) (receiver). For outgoing RTP multicasts, all other existing calls on the phone will be placed on hold.
User Guide for the SIP-T48G IP Phone 5. Enter the label in the Label field. Label will appear on the LCD screen when receiving the multicast RTP stream. 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.
Advanced Phone Features 4. Enter the SIP URI (e.g., sip:moh@sip.com) in the Music Server URI field. 5. Click Confirm to accept the change. When you have placed a call on hold, the held party can hear the music. Note All involved parties cannot use encrypted RTP (SRTP). Music on hold server is configurable via web user interface only. #WVQOCVKE %CNN &KUVTKDWVKQP #%& ACD is often used in offices for customer service, such as call center.
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Advanced Phone Features 4. (Optional.) Enter the string that will appear on the LCD screen in the Label field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. ACD key is configurable via web user interface at the path DSSKey->Line Key. To log into the ACD system: 1. Press the ACD key when the phone is idle. The LCD screen prompts you the following information: User ID: the identity used to log into the queue. Password: the password used to log into the queue. 2.
User Guide for the SIP-T48G IP Phone When you set the ACD user status to be unavailable, the ACD key LED flashes green, and then the server temporarily stops distributing calls to your phone. To log out of the ACD system, press the Logout soft key. Note 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. /GUUCIGU 5JQTV /GUUCIG 5GTXKEG 5/5 You can send and receive text messages using the SIP-T48G IP phone.
Advanced Phone Features 2. Note Select the desired message and press the View soft key. 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: 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.
User Guide for the SIP-T48G IP Phone 2. Select the desired message and then press the Option soft key. 3. Select Delete to delete the desired message. The LCD screen prompts "Delete the selected 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 Option soft key and then select Delete All. For more information, refer to the above steps.
Advanced Phone Features 8QKEG /CKN You can leave voice mails for someone else on the SIP-T48G 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 power indicator LED will slow flash red. The LCD screen will prompt receiving a new voice mail with the number of waiting voice mails (e.g., New Voice Mail(1)) and an icon. Note Voice Mail is not available on all servers.
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Advanced Phone Features 4. Note Press the Save soft key to accept the change or the Back soft key to cancel. Voice mail access code must be predefined on the system server. Contact your system administrator for the more information. To listen to the voice mails: 1. When the phone user interface prompts receiving new voice mails and the power indicator LED slow flashes red, 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.
User Guide for the SIP-T48G IP Phone The MWI service is unsolicited for some servers, so the SIP-T48G IP phone only handles the MWI messages sent from the server. But for other servers, the MWI service is solicited, so the SIP-T48G IP phone must enable subscription for MWI. Note MWI service is not available on all servers. Contact your system administrator for more information.
Advanced Phone Features 5. Enter the period time in the MWI Subscription Period (Seconds) field. 6. Click Confirm to accept the change. The IP phone will subscribe to the account number for MWI service by default. To enable Subscribe MWI to Voice Mail via web user interface: 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.
User Guide for the SIP-T48G IP Phone 6. Click Confirm to accept the change. The IP phone will subscribe to the voice mail number for MWI service using Subscribe MWI to Voice Mail. Note 152 MWI subscription is configurable via web user interface only.
Troubleshooting 6TQWDNGUJQQVKPI This chapter provides general troubleshooting information to help you solve the problems you might encounter when using your SIP-T48G IP phone. If you require additional information or assistance with your new phone, contact your system administrator. Why is the LCD screen blank? z Ensure that the phone is properly plugged into a functional AC outlet. z Ensure that the phone is plugged into a socket controlled by a switch that is on.
User Guide for the SIP-T48G IP Phone Why can’t I get a dial tone? z Check for any loose connections and that the phone has been installed properly. For the installation instructions, refer to Phone Installation on page 16. z Switch between the Handset, Headset (if present) or Hands-Free Speakerphone to check whether the 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.
Troubleshooting Why does the phone play a tone when there is a call on hold? How to disable it? When there is a call on hold, the phone will play a hold tone every 30 seconds. Call hold tone is enabled by default. Call hold tone and the interval of playing a hold tone are configurable via web user interface only. To configure call hold tone and call hold tone delay via web user interface: 1. Click on Features->General Information. 2. Select Enabled or Disabled from the pull-down list of Play Hold Tone.
User Guide for the SIP-T48G IP Phone Why I can’t send an 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. Click on Security->Password. 2. Select user from the pull-down list of User Type. 3. Enter the new user password in the New Password field and Confirm Password field. 4. Click Confirm to accept the change.
Troubleshooting 4. Select the desired value (Optional or Compulsory) from the pull-down list of RTP Encryption (SRTP). 5. Note Click Confirm to accept the change. SRTP is not available on all servers. Contact your system administrator for more information. SRTP is configurable via web user interface only. How to reboot the phone? To reboot the phone via web user interface: 1. Click on Settings->Upgrade. 2. Click Reboot to reboot the IP phone.
User Guide for the SIP-T48G IP Phone You can also long press the X key to reboot the phone directly. Any reboot of the phone may take a few minutes. How to export PCAP trace? We may need you to provide a PCAP trace to help analyze your problem. To export a PCAP trace via web user interface: 1. Click on Settings->Upgrade. 2. Click Start to begin capturing signal traffic. 3. Recreate the error to be documented in the trace. 4. Click Stop to stop the capture. 5.
Troubleshooting 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. 4. Click OK to reboot the phone. After the IP phone finishes reboot, the system log level is set as 6, the debug level. 5. Mark the Local radio box in the Export System Log field.
User Guide for the SIP-T48G 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. How to export/import the phone configurations? We may need you to provide the phone configurations to help analyze problem. In some instance, you may need to import configurations to your phone. To export the phone configurations via web user interface: 1.
Troubleshooting 3. Note 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. The browser pops up the dialog box “Firmware of the SIP Phone will be updated. It will take 5 minutes to complete. Please don't power off!”. 4.
User Guide for the SIP-T48G IP Phone The LCD screen prompts the following warning: 4. Press the OK soft key. The LCD screen prompts “Welcom Initializing…Please wait”. The phone will be reset to factory sucessfully after startup. Note 162 Reset of the phone may take a few minutes. Do not power off until the phone starts up successfully.
Troubleshooting 163
User Guide for the SIP-T48G IP Phone 4GIWNCVQT[ 0QVKEGU 5GTXKEG #ITGGOGPVU Contact your Yealink Authorized Reseller for information about service agreements applicable to your product. .KOKVCVKQPU QH .
Regulatory Notices z Please place no heavy objects on the device in case of damageand deformation caused by the heavy load. z Keep at least 10 cm between the device and the closest object for heat dissipation. z Do not place the device on or near any inflammable or fire-vulnerable object, such as rubber-made materials. z Keep the device away from any heat source or bare fire, such as a candle or an electric heater.
User Guide for the SIP-T48G IP Phone 166
Appendix A-Time Zones #RRGPFKZ # 6KOG
User Guide for the SIP-T48G IP Phone Time Zone +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 +13:00 168 Time Zone Name Macedonia(Skopje) Netherlands(Amsterdam) Namibia(Windhoek) Estonia(Tallinn) Fin
Index +PFGZ E A About This Guide ix Account Management 78 Account Registration 78 Adding Contacts 43 Administrator password 31 Anonymous Call 124 Anonymous Call Rejection 125 Answering Calls 92 Area Code 83 Attaching Stand 16 Audio Settings 36 Auto Answer 92 Auto Redial 96 Automatic Call Distribution 141 Editing Contacts 46 Emergency Number 85 Ending Calls 94 G General Settings Getting Started 25 14 H Hardware Component Instructions 4 Headset Use 59 Headset Mode Activation/Deactivation 59 Hotline 87 Ho
User Guide for the SIP-T48G IP Phone Placing Calls 90 Placing Calls to Contacts Programmable Keys 77 49 O Outgoing Intercom Calls Overview 4 134 R Recent Call In Dialing 94 Redialing Numbers 94 Registration 22 Regulatory Notices 164 Remote Phone Book 55 Replace Rule 80 Ring Tones 37 S Safety Instructions 164 Search Source List in Dialing 50 Searching for Contacts 49 Semi-attended Transfer 113 Service Agreements 164 Short Message Service (SMS) 144 System Customizations 59 T Time & Date 29 Time Zones 167