Page 2 Copyright © 2016 YEALINK(XIAMEN) NETWORK TECHNOLOGY CO., LTD. Copyright © 2016 Yealink(Xiamen) 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(Xiamen) Network Technology CO., LTD.
Page 3 Do not dispose of WEEE as unsorted municipal waste and have to collect such WEEE separately. We are striving to improve our documentation quality and we appreciate your feedback. Email your opinions and comments to DocsFeedback@yealink.com.
Page 4 Yealink SIP-T48G IP phone firmware contains third-party software under the GNU General Public License (GPL). Yealink uses software under the specific terms of the GPL. Please refer to the GPL for the exact terms and conditions of the license. 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.
Page 5: About This Guide
About This Guide Yealink SIP-T48G IP phone with the Skype for Business firmware enables a new era in unified communications. It is designed to work with the Skype for Business 2015. Connecting a Yealink SIP-T48G IP phone to the Skype for Business Server allows you to...
Page 6 User Guide for the SIP-T48G IP Phone Headset Use on page  Bluetooth on page  Privacy Mode on page  Calendar on page  Reloading the Location Information from the Skype for Business Server on page  Group Call Pickup on page ...
Page 7 About This Guide Response Groups on page  Boss-Admin on page  Inbound Private Line on page  Call Park on page  Major updates have occurred to the following sections: Icon Instructions on page  Sign-in on page  Changing Presence Status on page ...
Page 8 User Guide for the SIP-T48G IP Phone viii...
Page 9: Table Of Contents
Table of Contents About This Guide ..............v In This Guide ......................... v Summary of Changes ......................v Changes for Release 8, Guide Version 80 ..............v Changes for Release 7, Guide Version 7.50 ..............vi Changes for Release 7, Guide Version 7.35 ..............vi Table of Contents ..............
Page 10 User Guide for the SIP-T48G IP Phone Navigating Menus and Fields ..................36 Entering Data and Editing Fields ..................36 Using the Phone Keypad ....................37 Using the On-screen Keyboard ..................39 Phone Status ........................42 Basic Network Settings ...................... 43 Customizing Your Phone ............
Page 11: Table Of Contents
Table of Contents Live Dialpad ........................104 Privacy Mode ........................104 Modifying the Privacy Mode from the Phone ............105 Modifying the Privacy Mode from the Skype for Business Client ......106 Basic Call Features ..............109 Placing Calls ........................110 Answering Calls .......................
Page 12 Signing out of a Common Area Phone ................193 Better Together over Ethernet ..........195 Getting Started with Better Together over Ethernet ............ 195 Installing the Yealink Better Together over Ethernet Connector ......... 195 Enabling Better Together over Ethernet ................ 201 Configuring BToE ......................201 Paired Status........................
Page 13 Table of Contents Index ..................239 xiii...
Page 14 User Guide for the SIP-T48G IP Phone...
Page 15: Overview
 LED Instructions  User Interfaces  Documentations  If you require additional information or assistance with your new phone, contact your system administrator. The main hardware components of the SIP-T48G IP phone are the touch screen and the keypad.
Page 16 User Guide for the SIP-T48G IP Phone Hardware component instructions of the SIP-T48G IP phone are: Item Description Indicates phone power and some feature statuses. ① Power Indicator LED • Receives an incoming call—Fast flashing • Receives a voice mail—Slow flashing The screen is touch-sensitive.
Page 17 Overview Item Description laying the handset down on the handset cradle, the phone disconnects from the line. Icons appearing on the touch screen are described in the following table: Icons Description Local Favorites Call Mute Call Forward Answer a call Place a call Call Hold Call resume...
Page 18 User Guide for the SIP-T48G IP Phone Icons Description Lobby Admit a new call join the locked conference Reject a new call join the locked conference Enable the announcement Disable the announcement Presenter Attendee The conference participant is unmuted The participant conference is muted...
Page 19 Overview Icons Description Handset mode Headset mode Hands-free speakerphone mode Location is not set Phone Lock Conference reminder Optima HD voice Available Busy DND (Do Not Disturb) Be Right Back/Off Work/Away Off Line Unknown Power Indicator LED LED Status Description Solid red The phone is initializing.
Page 20 User Guide for the SIP-T48G IP Phone Two ways to customize configurations of your SIP-T48G IP phone: The user interface on the IP phone.  The user interface in a web browser on your PC.  The hardware components keypad and touch screen constitute the phone user interface, which allows the user to execute all call operation tasks and basic configuration changes directly on the phone.
Page 21 Overview The figure below shows the phone's menus and submenus.
Page 22 User Guide for the SIP-T48G IP Phone In addition to the phone user interface, you can also customize your phone via web user interface. In order to access the web user interface, you need to know the IP address of your new phone.
Page 23: User Sign-In
Overview Options Phone User Interface Web User Interface --Calendar √ --Always Online √ --Log Upload √ --E911 Location Tip √ --Dial-now × --Live Dialpad × --Privacy Mode √ × Basic Call Features --Redialing Numbers √ × --Auto Answer √ --Call Waiting √...
Page 24 User Guide for the SIP-T48G IP Phone The following table shows documentations available for the SIP-T48G IP phone. Name Contents Where found Language Basic setup and In the package/ Quick Start Guide call features of the English/Chinese On the website...
Page 25: Changing Presence Status
Getting Started This chapter provides the following basic installation instructions and information for obtaining the best performance with the SIP-T48G IP phone. Topics include: Packaging Contents  Phone Installation  Phone Initialization  Sign-in  Changing Presence Status  Account Lock ...
Page 26 Quick Start Guide  Check the list before installation. If you find anything missing, contact your system administrator. The following items are optional accessories for your SIP-T48G IP phone. You need to purchase them separately if required. Wall Mount Bracket ...
Page 27 Getting Started Power Adapter  Headset  Wireless Headset Adapter EHS36  Bluetooth USB Dongle BT40 ...
Page 28 User Guide for the SIP-T48G IP Phone EXP40 Expansion Module  Note We recommend that you use the accessories provided or approved by Yealink. The use of unapproved third-party accessories may result in reduced performance. If your phone is already installed, proceed to Phone Initialization on page 17.
Page 29 The top two slots are plugged up by silica gels. You need to pull out the silica gels before attaching the wall mount bracket. For more information on how to mount your phone to a Yealink Wall Mount Quick Installation Guide for Yealink IP Phones wall, refer to...
Page 30 Note The IP phone should be used with Yealink original power adapter (5V/2A) only. The use of the third-party power adapter may cause the damage to the phone.
Page 31 Getting Started 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 touch screen displays "Welcome Initializing…Please wait" during the initialization. DHCP (Dynamic Host Configuration Protocol) The phone attempts to contact a DHCP server in your network to obtain valid IPv4 network settings (e.g., IP address, subnet mask, default gateway address and DNS...
Page 32 BToE Sign-in: This method uses the Skype for Business client to sign into Skype for  Business Server. You need to download and install the Yealink BToE Connector application on your PC first, ant then pair your phone to Skype for Business client.
Page 33 Getting Started To sign into the Skype for Business Server using User Sign in method via phone user interface: Select User Sign in from the pull-down list of Login Type field. Tap the Sign-in Address field. The on-screen keyboard appears. For more information on how to use the on-screen keyboard, refer to Using the On-screen Keyboard on page 39.
Page 34 User Guide for the SIP-T48G IP Phone Enter the sign-in password in the Password field. Click Sign In to accept the change. To sign into Skype for Business Server using PIN Sign in method via phone user interface: Select PIN Sign in from the pull-down list of Login Type field.
Page 35 Getting Started Select Pin Sign in from the pull-down list of Mode. Enter your Skype for Business user‟s phone number or extension (e.g., 2216) in the Extension field. Enter your personal identification number (e.g., user2216) in the Pin field. Click Sign In to accept the change. Device pairing for online is used to establish the connection between your phone and PC, so that you can sign into phone by web browser.
Page 36 User Guide for the SIP-T48G IP Phone To sign into Skype for Business Server using Device Pairing for Online method via phone user interface: Select Device Pairing for Online from the pull-down list of Login Type field.. Select the corresponding country from the pull-down list of Select sign in site field.
Page 37 Getting Started Click Verify email to check the validity of the email address. The sign-in screen will appear if the email address is valid. Enter your Online account and password. (Optional) Check the Keep me signed in checkbox, so that you don't need to enter a password next time.
Page 38 User Guide for the SIP-T48G IP Phone 11. Click Continue. 12. Click the account to sign in. If you click Use another account, enter another Online account and password, and then click Sign in. The phone will sign into the Skype for Business Server automatically.
Page 39 Getting Started The phone signs out of Skype for Business Server. After you sign out of Skype for Business, the account-related features (calling, viewing Skype for Business contacts, calendar, etc.) are not available. However, you can still use other phone features. Signing out via web user interface at the path: Account->Register->Sign Out.
Page 40 User Guide for the SIP-T48G IP Phone Icon Status Description The contact is engaged in another activity and Be Right Back will return shortly. The contact is not working and not available to Off Work contact. The contact is probably not available.
Page 41 Getting Started To reset your presence status to the default: Tap your avatar at the top-right corner of the touch screen. Tap the Reset status soft key from the pull-down list. Your status will be reset to “Available”. Always online feature can maintain current status of the phone until you manually change status.
Page 42 User Guide for the SIP-T48G IP Phone Always online is configurable via web user interface at the path Account->Basic->Always On Line. Note If your phone status is DND before dialing an emergency number, then the phone status will be changed to available after the emergency call even if always online feature is enabled.
Page 43 Getting Started The screen will be shown as below: Enter the administrator password. Tap the OK soft key to sign out. To sign in when account lock is enabled via phone user interface: Select the desired sign-in method. Enter the authentication information in the corresponding field respectively. Tap the Sign in soft key.
Page 44 User Guide for the SIP-T48G IP Phone If the phone has successfully started up, and a Skype for Business user signs into the Skype for Business Server on the phone, the screen will be shown as below: Name Description Shows the display name, avatar, prompt...
Page 45 Getting Started When the phone receives voice mails, a number icon (indicating the number of the voice mails you haven't retrieved) will appear on . If you tap (Indicating 1 voice mail you haven't retrieved), the number icon will disappear. If the phone is in the History screen when the phone missed calls, the will not appear Note...
Page 46 User Guide for the SIP-T48G IP Phone Name Description the corresponding feature configuration screen. Label automatically to identify their Soft Keys context-sensitive features. Displays configuration items of the highlighted menu item in the menu tree area. Configuration Area You can configure feature settings in this area.
Page 47 Getting Started The touch screen displays the contact avatar, display name, status icon and time information of all calls. Tap Missed to view missed calls. The touch screen displays the contact avatar, display name, status icon and time information of the missed calls. Tap Placed to view placed calls.
Page 48 User Guide for the SIP-T48G IP Phone The touch screen displays the contact avatar, display name, status icon and time information of the placed calls. Tap Received to view received calls. The touch screen displays the contact avatar, display name, status icon and time information of the received calls.
Page 49 Getting Started The main window displays the groups and the number of member. When the number of contact groups is more than 9, the page switch keys will appear on the right side of the main window. You can tap or press to turn pages to view other groups.
Page 50 User Guide for the SIP-T48G IP Phone To navigate menus and fields, you can: Tap soft keys on the touch screen.  Tap menu items, fields, and arrows on the touch screen.  Press keys on the phone keypad or tap the on-screen keyboard to enter desired ...
Page 51 Getting Started Keypad on the phone can provide different characters when using the 2aB, abc, Abc, ABC or 123 input mode. You can change the following input modes to enter data and edit fields on your phone. When your phone keypad matches the input mode, you can press the keypad repeatedly to view the character (or numbers) options and stop to select.
Page 52 User Guide for the SIP-T48G IP Phone Input Mode Keypad ~^¡ ¿§#"| ~^¡ ¿§#"| ~^¡ ¿§#"| ~^¡ ¿§#"| To enter or edit data: Do one of the following: If you want to Then you can Press a keypad key one or more times (depending what input mode you‟re in) to enter the characters...
Page 53 Getting Started If you want to Then you can key: It only provides the pound character “#”. key: If it is the uppercase (ABC soft key), lowercase (abc soft key), uppercase and lowercase (Abc soft key) or alphanumeric (2aB soft key) input mode, it will provide the following special characters: .,?!\-()@/:_;+&%=<>...
Page 54 User Guide for the SIP-T48G IP Phone Before using the on-screen keyboard to enter data, you need to know the function of the keys on the on-screen keyboard: Description Item 26 English letters Enter letters Delete key Delete the entered characters...
Page 55 Getting Started Item Description Numbers Enter numbers Delete key Delete the entered characters Dial key Place a call Hide the on-screen keyboard Input mode Change input mode To enter or edit data: Tap the field. Do one of the following: If you want to Then you can Enter lowercase characters...
Page 56 User Guide for the SIP-T48G IP Phone You can tap to hide the on-screen keyboard, and then tap to reopen the on-screen keyboard. You can view phone status via phone user interface or web user interface. Available information of phone status includes: General information (IP address, MAC address and firmware version) ...
Page 57 Getting Started Tap the desired item to view the specific information. To view the phone status via web user interface: Open the web browser on your PC. Enter the IP address in the browser‟s address bar, and then press the Enter key. Enter the user name (admin) and password (admin) in the login page.
Page 58 User Guide for the SIP-T48G IP Phone To configure the IP mode via phone user interface: ->Advanced (default password: admin) ->Network->WAN Port. Tap the desired value (IPv4, IPv6 or IPv4 & IPv6) from the pull-down list of IP Mode. to accept the change or tap to cancel.
Page 59 Getting Started To configure a static IPv6 address via phone user interface: ->Advanced (default password: admin) ->Network->WAN Port->IPv6. Tap Static IP from the pull-down list of Type. Enter the desired value in the IP address, IPv6 IP Prefix, Gateway, Pri.DNS and Sec.DNS field respectively.
Page 60 User Guide for the SIP-T48G IP Phone to accept the change or tap to cancel. Note Wrong network settings may result in inaccessibility of your phone and may also have an impact on your network performance. For more information on these parameters,...
Page 61 Inactive Level: The intensity of the touch screen when the phone is inactive for a designated backlight time. You can select a low intensity or turn off the backlight. You can also change the intensity of the LCD screen of EXP40 connected to the SIP-T48G IP phone.
Page 62 You can only configure the contrast of the expansion module EXP40 connected to the SIP-T48G IP phone to a comfortable level on the phone. Ensure that the expansion module has been connected to the phone before configuration. The intensity of contrast ranges from 1 to 10 and the highest intensity is 10.
Page 63 Customizing Your Phone The default contrast level is “6”. to accept the change or tap to cancel. The default language of the phone user interface is English. If the language of your web browser is not supported by the phone, the web user interface will use English by default.
Page 64 User Guide for the SIP-T48G IP Phone To change the language for the web user interface: Click on Settings->Preference. Select the desired language from the pull-down list of Language. Click Confirm to accept the change. Text displayed on the web user interface will change to the selected language.
Page 65 Customizing Your Phone The default time zone name is “China(Beijing)”. to accept the change or tap to cancel. Note Please refer to Appendix A - Time Zones for the list of available time zones on the IP phone. To configure the date and time manually via phone user interface: ->Basic->Date &Time->General.
Page 66 User Guide for the SIP-T48G IP Phone Select the desired time format (12 Hour or 24 Hour) from the pull-down list of Time Format. to accept the change or tap to cancel. There are 7 available date formats. For example, for the date format “WWW DD MMM”, “WWW”...
Page 67 Customizing Your Phone To configure the DHCP Time via phone user interface: ->Basic->Date & Time->DHCP Time. Mark the On radio box of the DHCP Time field. to accept the change or tap to cancel. The time and date displayed on the touch screen will change according to time zone automatically.
Page 68 User Guide for the SIP-T48G IP Phone Re-enter the new password again in the Confirm Password field. to accept the change or tap to cancel. Administrator password is configurable via web user interface at the path Security->Password. You can set the "#" key or "*" key to perform as a send key while dialing.
Page 69 Customizing Your Phone If the Skype for Business Server is configured to forcibly lock the phone, user can use phone lock feature to lock the phone to prevent it from unauthorized use. And the IP phone will prompt the user to configure an unlock PIN at the initial sign-in. To set unlock PIN: Enter the unlock PIN (PIN‟s length must be from 6 to 15) in the New PIN field.
Page 70 User Guide for the SIP-T48G IP Phone cannot search contacts on the pre-dialing screen. When the locked phone receives an incoming call: You can mute the call, answer or reject the incoming calls only. When the locked phone engages in a call: You can place the call on hold, mute or un-mute the call, end the call or dial emergency numbers only.
Page 71 Customizing Your Phone To unlock the phone via phone user interface: When the phone is locked, enter the PIN in the input field. Tap Unlock or press Note You can also unlock the phone by administrator password. To disable the phone lock feature via phone user interface: ->Advanced (default password: admin) ->Phone Lock.
Page 72 User Guide for the SIP-T48G IP Phone You can press the volume key to adjust the ringer volume when the phone is idle or is ringing. You can also press the volume key to adjust the receiver volume of currently engaged audio device (handset, speakerphone or headset) when the phone is in use.
Page 73 Customizing Your Phone To adjust the volume when the phone is during a call: Press to adjust the volume of currently engaged audio device (handset, speakerphone or headset). Ring tones are used to indicate incoming calls and distinguish your phone from your neighbor‟s.
Page 74 User Guide for the SIP-T48G IP Phone To upload a custom ring tone for the phone via web user interface: Click on Settings->Preference. In the Upload Ringtone field, click Browse… to locate a ring tone file (the file format must be *.wav) from your local system.
Page 75 Customizing Your Phone If boss-admin is configured, the Bosses or Delegates group appears depending on your role. For more information on boss-admin feature, refer to Boss-Admin Feature on page 144. You can add more Skype for Business groups via Skype for Business client. The Skype for Business directory on your phone displays all Skype for Business contacts of your Skype for Business client.
Page 76 User Guide for the SIP-T48G IP Phone Right-click the contact, and then click Add to Contacts List. Select the desired group. The contact is added to the selected group. You can view the following information about each contact on the phone: The contact‟s presence icon...
Page 77 Customizing Your Phone your role. For more information on boss-admin feature, refer to Boss-Admin Feature on page 144. Tap the avatar of the desired contact. The detailed information (e.g., display name, address and email) of the contact appears on the touch screen. Tap the grey area on the right side or press to return to the pervious screen.
Page 78 User Guide for the SIP-T48G IP Phone To add contacts as favorites via Skype for Business client: Right-click a contact. Click Add to Favorites. You can view the Skype for Business favorites on the Favorites screen or Contacts screen.
Page 79 Customizing Your Phone To view the Skype for Business favorites on the Favorites screen: By default, Skype for Business favorites are displayed behind the local favorites on the idle screen. To view the Skype for Business favorites on the Contacts screen: ->Favorites.
Page 80 Contacts can be added either one by one or in batch using a local contact file. Yealink IP phones support both *.xml and *.csv format contact files, but only support *.xml format download for local contact file.
Page 81 Customizing Your Phone To add a contact to the local directory manually: ->Local Directory ->All. Enter name, address, work number, mobile number, home number, title and email in the corresponding fields. Select the desired ring tone from the pull-down list of Ring. to accept the change or to cancel.
Page 82 User Guide for the SIP-T48G IP Phone To add a local contact from Skype for Business directory via phone user interface: Tap the Skype for Business group (e.g., Favorites or Other Contacts) that contains the desired contact. If boss-admin is configured, the Bosses or Delegates group appears depending on your role.
Page 83 Customizing Your Phone You can view the following information about each local contact on the phone: The contact‟s display name  The contact‟s avatar  The detailed information of the contact (e.g., name, mail address)  To view the local directory: ->Local Directory.
Page 84 User Guide for the SIP-T48G IP Phone To edit a contact in the local directory: ->Local Directory. Tap the desired group. Tap the avatar of the desired contact. Tap the Edit soft keyto edit the contact you selected. Tap the desired field to edit the contact information.
Page 85 Customizing Your Phone To delete a contact from the local directory: ->Local Directory. Tap the desired group. Tap the avatar of the desired contact. Tap Delete. The touch screen prompts” Delete Selected Item?”. Tap the OK soft key to confirm the deletion or the Cancel soft key to cancel. Deleting the contact is configurable via web user interface at the path Directory->Local Directory.
Page 86 User Guide for the SIP-T48G IP Phone The web user interface prompts "Do you want to delete all contacts in ContactList?". Click OK to complete deleting the contact list. Note Delete all contacts is available via web user interface only.
Page 87 Customizing Your Phone To import an XML contact list file via web user interface: Click on Directory->Local Directory. Click Browse… to locate a contact list file (the file format must be *.xml) from your local system. Click Import XML to import the contact list. The web user interface prompts "The original contact will be covered, continue?".
Page 88 User Guide for the SIP-T48G IP Phone It will prevent importing the title of the contact information which is located in the first line of the CSV file. Click Import CSV to import the contact list. (Optional) Mark the On radio box in the Del Oldcontact field.
Page 89 Customizing Your Phone To export a contact list via web user interface: Click on Directory->Local Directory. Click Export XML (or Export CSV). Click Save to save the contact list to your local system. Favorites are the contacts in your directory that you call most often. You can assign a index number to a favorite.
Page 90 User Guide for the SIP-T48G IP Phone Enter the contact name, office, mobile, other numbers, Email, address and title in the corresponding fields. Select the desired ring tone from the pull-down list of Ring. Select the desired index number from the pull-down list of the Index.
Page 91 Customizing Your Phone To add a local contact as the local favorite via phone user interface: ->Local Directory. Tap the avatar of the desired contact. Tap Add to favorite. Select the desired index number from the pull-down list of the Index. to accept the change.
Page 92 User Guide for the SIP-T48G IP Phone Contacts that have a favorite index number display with the icon . By default, local favorites are displayed before the Skype for Business favorites. To view the local favorites on the Contacts screen: ->Local Directory->Favorites.
Page 93 Customizing Your Phone To reorder your local favorites: ->Local Directory->Favorites. Tap the avatar of the desired contact. Tap the Edit soft key to edit the contact you selected. Select the desired index number from the pull-down list of Index. to accept the change or to cancel.
Page 94 User Guide for the SIP-T48G IP Phone The phone uses the new index number to order the favorite. Local favorites and Skype for Business favorites of SIP-T48G IP phones are displayed on the idle screen. By default, local favorites are displayed before the Skype for Business favorites.
Page 95 Customizing Your Phone To configure the display priority of local favorite via web user interface: Click on Directory->Settings. Select the desired value from the pull-down list of Local Favorite. Depending on your selection: – If Disabled is selected, only the Skype for Business favorites are displayed on the idle screen.
Page 96 User Guide for the SIP-T48G IP Phone directly. – If a contact has multiple numbers, press or tap , the first number will be dialed out by default. To place a call from the directory: Tap the group that contains the desired contact.
Page 97 Dial search delay feature is configurable via web user interface only. The SIP-T48G IP phone maintains call history lists of Missed, Placed and Received. Each call history list supports up to 100 entries. You can view the call history, place a call, or delete an entry from the call history list.
Page 98 User Guide for the SIP-T48G IP Phone Tap the Off radio box of the History Record field. to accept the change or tap to cancel. To view the call history: The touch screen displays all call records. or press to turn pages.
Page 99 Customizing Your Phone The detailed information (e.g., avatar, display name or number) of the entry appears on the touch screen. Tap the grey area of the right side or press to return to the pervious screen. To place a call from the call history list: The touch screen displays all call records.
Page 100 User Guide for the SIP-T48G IP Phone You can tap All, Missed, Placed or Received to view entries in each call list directly. Tap the desired entry. Tap Delete. The touch screen prompts” Delete the selected record?”. Tap the OK soft key to confirm the deletion or the Cancel soft key to cancel.
Page 101 Customizing Your Phone then place a call using the headset automatically. For more information on using the headset to place a call, refer to Placing Calls on page 110. To deactivate the headset mode: Press again on the phone. The HEADSET key LED goes out when the headset mode is deactivated. You can use headset in priority when headset prior feature is enabled.
Page 102 Note Dual headset is configurable via web user interface only. The SIP-T48G IP phone supports Bluetooth. Bluetooth enables low-bandwidth wireless connections within a range of 10 meters (32 feet). The best performance is in the 1 to 2 meter (3 to 6 feet) range.
Page 103 Customizing Your Phone To enable the Bluetooth mode via phone user interface: ->Basic->Bluetooth. Tap On radio box of the Bluetooth field. The IP phone scans the available Bluetooth headset automatically. The touch screen displays the Bluetooth device information (device name and MAC address).
Page 104 User Guide for the SIP-T48G IP Phone now?”. You can tap the OK soft key to enter the Bluetooth screen. You can activate Bluetooth mode and then scan Bluetooth devices. To pair and connect your Bluetooth headset to your phone: ->Basic->Bluetooth.
Page 105 Customizing Your Phone The default PIN is “0000” or “1234”. The Bluetooth headset is then automatically connected to your phone. The touch screen displays as below: The prompting message “Blue tooth connect” appears on the touch screen.
Page 106 User Guide for the SIP-T48G IP Phone 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. Note When the phone proceeds to scan the local Bluetooth devices, none is displayed on the LCD screen.
Page 107 Customizing Your Phone The default device name is “Yealink-T48G”. to accept the change or to cancel. The preconfigured Bluetooth device name will display in scanning list of other device. To disconnect your Bluetooth headset from your phone: ->Basic->Bluetooth. Tap the connected Bluetooth headset.
Page 108 User Guide for the SIP-T48G IP Phone headset, it disappears from the Paired Bluetooth Device list. To connect it to your phone again, you need to scan and connect it again. To delete your Bluetooth headset from your phone: ->Basic->Bluetooth.
Page 109 Customizing Your Phone Tap the Off radio box of the Bluetooth field. If a Bluetooth headset is paired and connected, and then you deactivate the Bluetooth mode, it will disappear from the Bluetooth Devices list. The Bluetooth headset won‟t be connected anymore, but it will still be paired.
Page 110 User Guide for the SIP-T48G IP Phone No matter whether the location is not set, the touch screen will not prompt the location notification. For more information, refer to Location Notification on page Click Confirm to accept the change. Note When the location is set, no matter whether E911 location tip is enabled or disabled, the touch screen will not prompt the location notification.
Page 111 Customizing Your Phone When the parameter Location Required is set to Yes on the Skype for Business Server, the Status menu will display icon. The LCD screen is shown as below after login: You can do one of the following: –...
Page 112 User Guide for the SIP-T48G IP Phone The phone will display the disclaimer configured on the Skype for Business Server. You can press the Back soft key to return to the idle screen or press the Add soft key to enter the Location Edit screen.
Page 113 Customizing Your Phone When the parameter Location Required is set to No on the Skype for Business Server, the Status menu will not display icon. The LCD screen is shown as below after login: You can add the location information in one of the two ways: Reload the location information from the Skype for Business Server.
Page 114 User Guide for the SIP-T48G IP Phone Location set on the phone will be covered by location set on the Skype for Business Server. If geographical location is not provisioned on the Skype for Business Server, you can add the location information manually via phone user interface.
Page 115 Customizing Your Phone Location is configurable via web user interface at the path Settings->Location. SIP-T48G IP phone has 24 country locations for you to choose. The country names are Note displayed in alphabetical order. To view the location information via phone user interface: Do one of the following: –...
Page 116 User Guide for the SIP-T48G IP Phone DND status in two hours. Other statuses will not be affected by the emergency call. Note Emergency Dial String number and Emergency Dial String Mask number are configurable on the Skype for Business Server only. Contact your system administrator for more information.
Page 117 Customizing Your Phone To add a dial-now rule via web user interface: Click on Settings->Dial Plan. Enter the desired value (e.g., 1xxx) in the Rule field. Click Add to add the dial-now rule. For example: when you enter the number “1234” using the keypad, the phone will dial out “1234”...
Page 118 Delay time for dial-now rule is configurable via web user interface only. Note You can enable live dialpad feature on the SIP-T48G IP phone, which enables the IP phone to automatically dial out a phone number without pressing the send key. You can also configure a delay, and then the phone will dial out the phone number automatically after the designated period of time.
Page 119 Customizing Your Phone Everyone Can See My Status Regardless Of System Settings/I want everyone to be  able to see my presence regardless of system settings (override default settings): Everyone in my Microsoft Active Directory Domain can see my presence regardless of system settings.
Page 120 User Guide for the SIP-T48G IP Phone If the privacy mode is enabled on the Skype for Business Server, the phone touch screen displays as below: Mark the desired radio box. to accept the change. To modify the privacy mode from the Skype for Business client: Open Skype for Business client.
Page 121 Customizing Your Phone If the privacy mode is disabled on the Skype for Business Server: Mark the desired radio box. If the privacy mode is enabled on the Skype for Business Server: Mark the desired radio box. Click OK to accept the change.
Page 122 User Guide for the SIP-T48G IP Phone...
Page 123 Basic Call Features 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 Skype for Business conference call. You can also use calendar, response groups or boss-admin Skype for Business feature.
Page 124: History Screen
User Guide for the SIP-T48G IP Phone You can place a call in three ways using your SIP-T48G IP phone: Using the handset  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.
Page 125: Contacts Screen
Basic Call Features Tap the desired entry from the call history list. or press to return to the Favorites screen, and then tap to access the Contacts screen. Tap the desired contact from the desired group. or press The # key is configured as a send key by default. You can also set the * key as the send key, or set neither.
Page 126 IP phone can handle a maximum of 50 calls at one time. To place multiple calls: You can have more than one call on your SIP-T48G IP phone. To place a new call during an active call, do the following:...
Page 127 Basic Call Features Tap the desired contact from the desired group. or the desired number or press You can tap the held call, and then tap or press to resume the held call. When you are not in another call, you can answer a call in three ways: Using the handset ...
Page 128 User Guide for the SIP-T48G IP Phone To end a call: Do one of the following: If you are using the handset, press or hang up the handset or tap If you are using the headset, press or tap If you are using the speakerphone, press...
Page 129 Basic Call Features Mark the On radio box of Line1 field. to accept the change or to cancel. The prompting message “Auto Answer Mode” appears on the touch screen. Auto answer is configurable via web user interface at the path Account->Basic->Auto Answer.
Page 130 User Guide for the SIP-T48G IP Phone To configure call waiting via phone user interface: ->Features->Call Waiting. Mark the On radio box of the Call Waiting field. Mark the On radio box of the Play Tone field. to accept the change or tap to cancel.
Page 131 Basic Call Features Call waiting is configurable via web user interface at the path Features->General Information->Call Waiting. Call waiting tone is configurable via web user interface at the path Features->Audio->Call Waiting Tone. You can mute the microphone of the active audio device during an active call, and then the other party cannot hear you.
Page 132 Yealink Skype for Business phones integrates with the Microsoft Exchange calendar feature. If your phone is configured to connect to the Microsoft Exchange Server, and the Microsoft® Outlook® application is installed at your site, you can view Skype conference, appointment, meeting and event, or join the Skype conference in your Microsoft Outlook application from your phone.
Page 133 Basic Call Features Click HOME>New Skype Meeting. In the To box, enter the email addresses of your invitees. Enter a subject, location, and then select the start and end time. Enter the content about the Skype conference. Click Send. A Skype conference reminder will display on the phone screen of organizer and invitees 15 minutes before the Skype conference starts.
Page 134 User Guide for the SIP-T48G IP Phone Enter the appointment time. Click OK. Enter a subject, location and the appointment content. Click Save & Close. An appointment reminder will display on the phone screen 15 minutes before the appointment starts.
Page 135 Basic Call Features To set up an event in outlook: Open Outlook and go to your calendar. Click Home->New Items->More Items->Recurring Event. Enter the event time. Click OK. Enter a subject, location and the event content. Click Save & Close. An event reminder will display on the phone screen 15 minutes before the event starts.
Page 136 User Guide for the SIP-T48G IP Phone To view the calendar via phone user interface: ->Calendar. The calendar displays the schedules of today by default. Name Description Shows all the months in a Year. The month within a blue Year view frame indicates a selected month.
Page 137 Basic Call Features To navigate Year view: ->Calendar. Tap the date at the top of the Month view. Do one of the following: – to view the previous year. – to view the upcoming year. – Tap the month to select another month.
Page 138 User Guide for the SIP-T48G IP Phone – to close the calendar and display the idle screen. Month view displays all the days in a month. The days have schedules are indicated in blue and the selected day is always within a blue frame.
Page 139 Basic Call Features Day view shows all schedules of the selected day, including the date and time, subject, start and end time, and location of each schedule. To navigate Day view: ->Calendar. Do one of the following: – Press to view the schedules of the previous day. –...
Page 140 User Guide for the SIP-T48G IP Phone to view the schedule details. Tap the grey area on the right side or press to return to the pervious screen. If you have a schedule, a reminder pop-up is displayed 15 minutes before it starts. The reminder shows the main information of the conference, including subject and the rest time.
Page 141 Basic Call Features If you receive a reminder of a Skype conference, you can: Tap the Ignore soft key to permanently remove the reminder from the screen and  stop all future reminders for the Skype conference. Tap the Snooze soft key to temporarily remove the reminder from the screen, until ...
Page 142 User Guide for the SIP-T48G IP Phone The reminder will show “overdue” when the schedule is overdue. You can join conferences from the calendar in following three ways: From a schedule reminder to join a Skype conference  From Schedule view to join a Skype conference ...
Page 143 Basic Call Features – Tap the Detail soft key to view specific information about the Skype conference, and then tap the Join soft key. To join a Skype conference from Schedule view: ->Calendar. The current day is always within a blue frame. Tap a desired month.
Page 144 User Guide for the SIP-T48G IP Phone Tap a conference to view detail for specific Skype conference. Tap the Join soft key to join the Skype conference. If you schedule a Skype conference call via Microsoft Outlook Conferencing (Plug-In), dial-in number and Conference ID will be sent to invitees in an email. They can join the Skype conference from phone by dialing dial-in number and Conference ID.
Page 145 You can also forward calls while your phone is ringing, refer to the Dynamic Forwarding. SIP-T48G IP phone supports the following static forwarding ways: Forward to Voice Mail: incoming calls are forwarded to voice mailbox.  Forward Calls to Number: incoming calls are forwarded to the preset number.
Page 146 User Guide for the SIP-T48G IP Phone To enable call forward: ->Features->Call Forward. You can also press when the phone is idle. Mark the On radio box of the Call Forward field. Tap the desired forwarding type. Depending on your selection:...
Page 147 Basic Call Features or press The prompting message “Call Forwarding On” appears on the touch screen. If you tap Simultaneously Call: Enter the desired number that you want to ring simultaneously, and then or press You can also enter the first few continuous characters of the contact name or the contact number, and then tap the desired entry from the result list, and then tap or press...
Page 148 User Guide for the SIP-T48G IP Phone To disable call forward: ->Features->Call Forward. You can also press when the phone is idle. Mark the Off radio box of the Call Forward field. to accept the change. You can assign static forwarding feature using the Skype for Business client: Forward my calls to: Voice Mail: incoming calls are forwarded to voice mailbox.
Page 149 Basic Call Features To forward incoming calls immediately without ringing your phone: In Skype for Business client, click and then select Call Forwarding Settings. Mark the radio box of the Forward my calls to field. Select the desired forwarding type from the pull down-list of Forwarding my calls Depending on your selection: If you select Voice Mail:...
Page 150 User Guide for the SIP-T48G IP Phone Incoming calls are forwarded directly to the voice mailbox. The touch screen is shown as below: If you select New Number or Contact: Select the contact or enter the phone number you want to forward calls to.
Page 151 Basic Call Features The touch screen is shown as below. If you select My Delegates: Add the delegates you want to forward calls to when you receive an incoming call. The phone of the delegates will ring after the time specified by you.
Page 152 User Guide for the SIP-T48G IP Phone The touch screen is shown as below: To ring other phones simultaneously when your phone is ringing: In Skype for Business client, click and then click Call Forwarding Settings. Mark the radio box of the Simultaneously ring field.
Page 153 Basic Call Features Enter the phone number in the pop-up window, and then click OK to accept the change. The number will ring simultaneously when you receive an incoming call. If you select My Delegates: Add the delegates you want to ring simultaneously when you receive an incoming call.
Page 154 User Guide for the SIP-T48G IP Phone Add the contacts in the Team-Call Group. All members in the group will ring simultaneously when you receive an incoming call. The phone of the members in the group will ring after the time specified by you.
Page 155 Basic Call Features To turn off the call forwarding: In Skype for Business client, click and then select Turn Off Call Forwarding. To forward an incoming call to another party: When the phone is ringing, tap Do one of the following to forward the incoming call: Tap the avatar of the desired contact in Favorites screen.
Page 156 User Guide for the SIP-T48G IP Phone To forward an incoming call to voice mail directly: When the phone is ringing, tap The incoming call will be forwarded to your voice mail directly. Forward International Forward international allows you to forward an incoming call to an international phone number.
Page 157 Basic Call Features If your organization has groups of people who answer and manage certain types of calls, such as for customer service, an internal help desk, or general telephone support for a department, you can deploy the Response Group application to manage these types of calls.
Page 158 User Guide for the SIP-T48G IP Phone For example, a response group named “yealink” is configured in advance. When a user named Hedy calls the response group, the touch screen of the agent‟s phone is shown as below: Note Response group should be configured in advance by administrator. Contact your system administrator for more information.
Page 159 Basic Call Features You can assign delegates to your line using the Skype for Business client. However, you cannot assign yourself as a delegate. As a delegate, you can be assigned to multiple bosses‟ lines. To assign delegates using Skype for Business client: Open Skype for Business client.
Page 160 User Guide for the SIP-T48G IP Phone In the Delegates dialog box, click Add…. Each delegate must be a Skype for Business contact. Select the desired delegates from the Choose a Delegate dialog box. Click OK. Click OK in the Delegates dialog box.
Page 161 Basic Call Features Click Edit my delegate members. Check the checkbox of the delegate you want to remove. Click Remove. Click OK in the Delegates dialog box. Click OK in the Options dialog box. Once a user is assigned to be a delegate of the bosses on the Skype for Business client, a Bosses group will appear on the delegate‟s phone automatically.
Page 162 User Guide for the SIP-T48G IP Phone To view your bosses: Tap the Bosses group. Your boss(es) will be displayed. Once a boss is assigned delegates on the Skype for Business client, a Delegates group will appear on the boss‟s phone automatically.
Page 163 Basic Call Features When a user calls the boss, both boss‟s and delegate‟s phones will ring simultaneously. To answer an incoming call on a boss‟s phone: or press The delegate‟s phone stops ringing and the touch screen of the delegate‟s phone is shown below: To answer an incoming call on a delegate‟s phone: or press...
Page 164 User Guide for the SIP-T48G IP Phone To place a call on hold on a boss‟s phone: or press to place the call on hold. A red Boss/Admin soft key appears at the bottom of the delegate‟s phone screen. To place a call on hold on a delegate‟s phone: or press to place the call on hold.
Page 165 Basic Call Features To resume a call held on a boss‟s phone: Do one of the following: The boss taps or presses to resume the held call. The delegate taps the red Boss/Admin soft key to view the calls that are held by boss.
Page 166 User Guide for the SIP-T48G IP Phone To resume a call held on a delegate‟s phone: Do one of the following: The delegate taps or presses to resume the held call. The boss taps the red Boss/Admin soft key to view the calls that are held by delegate.
Page 167 Basic Call Features The touch screen of the delegate‟s phone is shown below: After the delegate answers the call: -> The touch screen of the delegate‟s phone is shown below: After a delegate answers the call, the delegate can transfer the call to the boss‟s phone using Safe Transfer, which enables the delegate to transfer the call to the boss‟s phone and prevent the call from going to voicemail if the boss does not answer the call.
Page 168 User Guide for the SIP-T48G IP Phone To make a safe transfer to a boss‟s phone: -> during a call. The call is placed on hold. When the boss answers the call, the call will be transferred to the boss successfully.
Page 169 Basic Call Features To place a call on behalf of a boss‟s line: ->Bosses. Tap the avatar of the desired boss. Tap the On behalf soft key. Tap the desired contact or enter the desired number, and then press...
Page 170 User Guide for the SIP-T48G IP Phone The call displays “Calling On behalf of XXX” on the delegate‟s phone. The delegate displays a notification after the third-party answers the call. As shown below: The delegate can join an incoming conference call on behalf of a boss‟s line and add the boss to the conference call.
Page 171 Basic Call Features The touch screen of the delegate‟s phone is shown below: Tap the OK soft key. The touch screen of the delegate‟s phone is shown below: When the boss joins the conference call, the delegate can choose to continue or leave the conference.
Page 172 User Guide for the SIP-T48G IP Phone The Skype for Business Server enables the system administrator to give users a second, private telephone line in addition to their primary telephone line. Private telephone lines are often assigned to bosses who want an unlisted telephone number at which they can be reached directly.
Page 173 Basic Call Features When receiving a private call, the touch screen of the phone will prompt “Call for private line”: Note Private lines can only be configured on the Skype for Business client only. Contact your administrator for more information. You can transfer a call to another party in one of the two ways: Blind Transfer: Connect a second party to a third party before the third party ...
Page 174 User Guide for the SIP-T48G IP Phone To perform a blind transfer during a call: Press or tap during a call. Do one of the following: Enter the number you want to transfer the call to. Press or tap to complete the transfer.
Page 175 Basic Call Features To perform an attended transfer: during a call. Do one of the following: Tap the avatar of the desired contact in Favorites screen. Enter the number you want to transfer the call to. Press or tap or tap on the on-screen keyboard.
Page 176 User Guide for the SIP-T48G IP Phone After the party answers the call, press or tap to complete the transfer. If you are using the handset, the transfer can be completed by hanging up the handset. Group call pickup is used for picking up incoming calls within a pre-defined group. If the group receives many incoming calls at once, the user will pick up the first incoming call, by dialing the group pickup code.
Page 177 Basic Call Features The call is answered on your phone. This chapter provides basic operating instructions for managing Skype for Business conference. You can initiate a Skype for Business conference call on your phone or on the Skype for Business client. You can view the conference participants. And you can also manage the conference participants (e.g., promote or demote conference participants, enable or disable announcements).
Page 178 User Guide for the SIP-T48G IP Phone When the third party answers, three parties are now joined in the conference. to invite a new party. Repeat the steps 3-4 to add more parties to the conference. You can initiate a conference call on the Skype for Business client.
Page 179 Basic Call Features You can also enter the first few characters of the contact name or the contact number. Then click the desired contact from the result list, the call will be placed directly. When the third party answers, there parties are now joined in the conference. Click to invite a new party.
Page 180 User Guide for the SIP-T48G IP Phone To initiate a Skype for Business conference call by meet now via phone user interface: ->Meet Now. You will initiate a Skype for Business conference call directly. Enter the desired number, and then tap You can also select the desired contact from Favorites, History or Contacts.
Page 181 Basic Call Features You can also enter the first few characters of the contact name or the contact number. Then select the desired contact from the result list, the call will be placed directly. Repeat step 2 to add more parties to the conference. You can view the dial-in number and conference ID when you initiate or join a Skype for Business conference.
Page 182 User Guide for the SIP-T48G IP Phone act as a presenter. The attendee can hold or resume the conference, mute or unmute himself and leave the conference only. To view the conference participants via phone user interface: to view the conference participants‟ information during a conference.
Page 183 Basic Call Features All participants can place the conference call on hold. To place the conference call on hold: Press or tap during an active conference call. Other participants can hear each other. The phone will beep softly every 30 seconds to remind you that you still have a call on Note hold.
Page 184 User Guide for the SIP-T48G IP Phone To mute the conference participants by organizer or presenters: Select desired participant, tap to forbid the participant from speaking. The muted participant can hear other participants, but other participants cannot hear the muted participant.
Page 185 Basic Call Features The mute key LED of the muted participant‟s phone illuminates solid red. The touch screen of the muted participant‟s phone is shown below: To unmute the conference participants by organizer or presenters: Select desired muted participant, tap The LCD screen of the muted participant‟s phone is shown below:...
Page 186 User Guide for the SIP-T48G IP Phone The muted participants can also press to unmute himself. The organizer and presenters can promote other conference participants from attendees to presenters, or demote conference participants from presenters to attendees. But they cannot demote or promote themselves. The presenters cannot demote or promote the organizer.
Page 187 Basic Call Features To promote conference participant: Select the desired attendee, tap to demote a presenter to attendee. The participant is now a presenter who can manage conference attendees, and the touch screen of the participants‟ phone is shown below: Only the organizer and presenters can enable or disable the announcement.
Page 188 User Guide for the SIP-T48G IP Phone To enable conference announcements: During a conference call, tap -> to enable announcement. To disable conference announcements: During a conference call, tap -> to disable announcement. Only the organizer and presenters can lock or unlock the conference.
Page 189 Basic Call Features To lock a conference: During an active conference, tap -> The icon appears on the touch screen. The conference is locked, and anyone that tries to join the call will enter the lobby and hear music until the organizer or presenters accept the call. To unlock a conference: During an active conference, tap ->...
Page 190 User Guide for the SIP-T48G IP Phone The invitee will enter the lobby until the organizer or presenters accept the call. The LCD screen of the organizer‟s or presenters‟ phones is shown below: The organizer or presenters admit a new call to join a locked conference:...
Page 191 Basic Call Features presenters and attendees. A presenter can remove other presenters and attendees. To remove a conference participant: Select the desired participant, and tap to remove the participant from the conference call. A notification is displayed on all participants' phone informing him or her that the participant removes them from the conference.
Page 192 User Guide for the SIP-T48G IP Phone A notification is displayed on other participants' phone informing that the participant removes from the conference. You can use call park feature to place a call on hold, and then retrieve the call later or from another phone in the system (for example, a phone in another office or conference room).
Page 193 Basic Call Features The touch screen of phone A displays the call park orbit number. To retrieve the parked call on phone A: After things are processed, user on phone A taps to retrieve the parked call. To retrieve the parked call on phone C: User walks to an available conference room where the phone is designated as phone C.
Page 194 User Guide for the SIP-T48G IP Phone You can leave voice mails for someone else using the SIP-T48G IP phone. You can also listen to voice mails that are stored in a voice mailbox. When receiving a new voice mail, the phone will play a warning tone.
Page 195 Basic Call Features To listen to the voice mail when sign into the phone using PIN Authentication, do the following: When the phone prompts receiving a new voice mail and the power indicator LED illuminates solid red, press or tap ->Message.
Page 196 User Guide for the SIP-T48G IP Phone Follow the voice prompts to listen to the voice mails. To listen to the voice mail: ->Message. Tap the desired voice mail, and then tap the Play Message soft key. The phone will connect to the Exchange server to play the selected voice mail.
Page 197 Basic Call Features to call the contact. The following icons indicate the status of the voice mail: Unread voice mail  Read voice mail  To mark the voice mail as read: ->Message. Tap the Unread list. Tap the unread voice mail of the desired contact. Tap the Mark As Read soft key.
Page 198 User Guide for the SIP-T48G IP Phone To delete the voice mail: ->Message. Tap the desired voice mail. Tap the Delete soft key. The voice mail you selected will be deleted directly. You can use multicast paging to quickly and easily broadcast time sensitive announcements to users who are listening to a specific multicast group.
Page 199 Basic Call Features The default tag is Empty if it is not configured before. Tap the Edit soft key. Enter the multicast IP address and port number (e.g., 224.5.6.20:10008) in the Address field. The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255. Enter the group name in the Label field.
Page 200 User Guide for the SIP-T48G IP Phone The LCD screen prompts “Delete selected paging group?”. Tap the OK soft key to accept the change or the Cancel soft key to cancel. If you want to delete all paging groups, you can tap the Delete All soft key.
Page 201 Basic Call Features You can configure the phone to receive a Real Time Transport Protocol (RTP) stream from the pre-configured multicast address(es) without involving SIP signaling. You can specify up to 10 multicast addresses that the phone listens to on the network. How the phone handles incoming multicast paging calls depends on Paging Barge and Paging Priority Active parameters configured via web user interface.
Page 202 User Guide for the SIP-T48G IP Phone Label will appear on the LCD screen when receiving the multicast RTP stream. Click Confirm to accept the change. Note The priorities of listening addresses are predefined: 1 with the highest priority, 10 with the lowest.
Page 203 Basic Call Features During a call, tap -> -> ->Paging. Select a desired paging group. or the desired paging group or press to send RTP . Both the sender‟s and receiver‟s phones play a warning tone and the receiver automatically answers the multicast RTP session in the speakerphone mode. The following figure shows a multicast RTP session on the phone: To place the current multicast RTP session on hold, press or tap...
Page 204 User Guide for the SIP-T48G IP Phone Branch office resiliency is critical for multi-site deployments of Skype for Business where the control servers are located at a central site or data center. It allows branch site users to continue to have Enterprise Voice service and voice mail (if voice mail rerouting settings are configured) when the branch site loses the connection to the central site.
Page 205 Common Area Phone Common area phones are IP phones that are not associated with an individual user. Instead of being located in someone‟s office, common area phones are typically located in building lobbies, cafeterias, employee lounges, conference rooms, and other locations where a large number of people are likely to gather.
Page 206 User Guide for the SIP-T48G IP Phone Users should pay attention to the following points when using the Common Area Phone: The phone can sign into the last CAP account automatically after the phone  recovers from network failure, sever failure or being off line. The phone can sign into the last CAP account automatically after rebooting.
Page 207 Common Area Phone To switch a CAP account to a Skype for Business account: Tap User Sign in. Select the desired sign-in method, and then enter your information to sign in a Skype for Business account. For more information on sign-in, refer to Sign-in on page 17.
Page 208 User Guide for the SIP-T48G IP Phone sign into other CAP account or Skype for Business account. To sign out of a Common Area Phone: ->Advanced (default password: admin or the unlock PIN) ->CAP Sign Out. Mark the On radio box of Sign Out field.
Page 209 Skype for Business client for third party call control. You can place, answer, and hold audio calls from your SIP-T48G IP phone and the Skype for Business client on your PC simultaneously. In order to use BToE, you need to download and install the Yealink BToE Connector application on your PC.
Page 210 Ensure that the dialog lists YEALINK NETWORK TECHNOLOGY CO., LTD. as the verified publisher and click Yes. If the YEALINK NETWORK TECHNOLOGY CO., LTD. is not listed as the publisher, click No and download the application again from the Yealink website.
Page 211 The Yealink BToE Connector Setup Wizard is displayed as below: Click Browse… to select an installation folder and click Install to begin the installation. By default, the Yealink BToE Connector application is installed in the directory C:\Program Files\Yealink\Yealink BToE Connector\.
Page 212 User Guide for the SIP-T48G IP Phone A status bar showing the Yealink BToE Connector installation‟s progress is displayed as below: The installation may take several minutes. A Windows Security is displayed as below during installation: Click Always trust software from “YEALINK NETWORK TECHNOLOFY CO., LTD”, and...
Page 213 Better Together over Ethernet After the software has completed installing, a dialog is displayed as below: The checkbox of Run Yealink BToE Connector 3.0.0.10 is checked by default, as shown above. If the checkbox of Run Yealink BToE Connector 3.0.0.10 is not checked, you need to start the Yealink BToE Connector manually.
Page 214 Skype for Business client. For more information, refer to BToE Sign-in page 206. Click Settings(P), you can set up the Yealink BToE Connector, and then click OK to  save. Click About(A), you can view the information of Yealink BToE Connector.
Page 215 Better Together over Ethernet Before you can use BToE, you need to pair your phone with your Skype for Business client to enable BToE. This section provides information on how to pair your phone with your Skype for Business client. You should enable the BToE feature on the phone, and then enter the correct pairing PIN to complete pairing your phone with Skype for Business client.
Page 216 User Guide for the SIP-T48G IP Phone Not Paired: Your phone and your Skype for Business client are not paired.  Paired (Sign Out): Your phone and your Skype for Business client are paired but fail  to sign in. The reason may be the user signing on your phone differs from the one signing on the Skype for Business client, or there is no user signing on your phone.
Page 217 ->Advanced (default password: admin) ->BTOE. View the BToE paired status in the BTOE pairing status field. Ensure that the Yealink BToE Connector application is running on your PC. To pair your phone with your Skype for Business client, do one of the following: If connect your PC to the PC port on IP phone using an Ethernet cable (network of the PC will be provided by the PC port of the phone).
Page 218 User Guide for the SIP-T48G IP Phone As the checkbox of Auto is checked by default, the IP address of your phone is automatically filled in the Phone IP field. Enter the BToE Pairing PIN in the PIN field. Click Pair.
Page 219 After installation, the Yealink BToE Connector and the application driver run successfully, a prompt message is displayed in the system tray: The Yealink BToE connector interface is displayed as below when your phone and the Skype for Business client are paired successfully:...
Page 220 User Guide for the SIP-T48G IP Phone The phone LCD displays the prompts “BToE Connect Succeed”. After a successful pairing, you don‟t need to enter the BToE pairing PIN next time unless Note the PIN is changed. After your phone pairs with Skype for Business client successfully, you can sign into your phone using BToE sign-in method.
Page 221 Better Together over Ethernet To sign into the Skype for Business Server using BToE Sign-in method: If the Skype for Business client is already logged on, but the phone is not: A logon dialog will pop up on your PC to prompt you to enter the logon password.
Page 222 User Guide for the SIP-T48G IP Phone Right-click on , and then select Sign in by Lync(L). A logon dialog will pop up on your PC to prompt you to enter the logon password. Enter the password in the Password field.
Page 223 To select the IP phone as your primary device: In Skype for Business client, click . As shown below: Select Yealink SIP-T48G Phone as your primary device. After finishing the above steps, you can use BToE feature. Note Yealink SIP-T48G Phone...
Page 224 User Guide for the SIP-T48G IP Phone while providing you with quality audio through your phone. After BToE is enabled, you can answer, place, hold and resume calls with your Skype for Business contacts on your phone and the Skype for Business client on your PC simultaneously.
Page 225 Click PC MIC and Speakers to move the call audio from your phone to your The call on the phone will be released. The Skype for Business client uses the selected audio device to continue the call. Click Handset Yealink SIP-T48G Ph… to move the call audio from your PC to your phone.
Page 226 User Guide for the SIP-T48G IP Phone...
Page 227 When your SIP-T48G is registered with a Skype for Business Server, you can assign Skype for Business contacts to line keys on your EXP40, so that you can quickly call contact by pressing the corresponding line key.
Page 228 User Guide for the SIP-T48G IP Phone If you want to connect two or more expansion modules, connect two expansion modules as below: Connecting two expansion modules on a single phone is shown as below: Connect the Ext jack of the IP phone and the Ext in jack of the expansion module using one supplied cord.
Page 229 EXP40 Expansion Module To attach the stand of the expansion module: Wall mount method (Optional) Desk mount method The following figure illustrates the features, components, and keys available on the EXP40. The table lists each numbered feature shown in this figure. Item Description ①...
Page 230 User Guide for the SIP-T48G IP Phone Item Description Page Keys Navigates between pages on the expansion module. ③ Each EXP40 provides you with 20 lines keys and 2 display pages, supporting a total of 40 lines that you can set up as Skype for Business contacts. You can connect up to 6 EXP40 to your phone to support a maximum of 240 line keys per phone.
Page 231 EXP40 Expansion Module has more than 40 contacts is assigned to be displayed on the module1, you need to understand the following tips: the next module, the rest contacts of If another group B is assigned to be displayed on ...
Page 232 User Guide for the SIP-T48G IP Phone To add a new call during a call using the EXP40: Press a DSS key corresponding to the Skype for Business contact you want to add. The call will be placed directly. You can initiate a conference call quickly using the line keys on the EXP40.
Page 233 EXP40 Expansion Module You can transfer a call quickly using the line keys on the EXP40. To perform a blind transfer during a call: Press or tap during a call. Press a desired DSS key corresponding to the Skype for Business contact you want to transfer to.
Page 234 User Guide for the SIP-T48G IP Phone You can press the page key to switch the pages. And the active status is synchronized to the phone. After the party answers the call, press or tap to complete the transfer. The call is connected to the number to which you are transferring.
Page 235 Troubleshooting 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 touch screen blank? Ensure that the phone is properly plugged into a functional AC outlet.
Page 236 PIN to sign in. They are available on the phone user interface or web user interface. How to check if the application driver of the Yealink BToE Connector is installed on the Do one of the following: –...
Page 237 You can uninstall the Yealink BToE Connector at any time. Note that after you uninstall the Yealink BToE Connector, you can no longer use BToE. If you decide to start using the BToE feature again, you must reinstall the Yealink BToE Connector and repeat the steps for enabling and pairing your Yealink phone and PC.
Page 238 After reboot, if the phone still cannot pair with the Skype for Business client,  uninstall the Yealink BToE Connector and application driver, and then reinstall them. Ensure that Yealink BToE Connector is an allowed program in your system‟s firewall ...
Page 239 Troubleshooting on your PC. Why doesn‟t the phone display the Calendar menu? Ensure that your phone has signed in successfully.  Why doesn‟t the Skype conference, appointment, meeting or event set up in outlook display on the Calendar menu? Ensure that your sign into the phone using User Sign-in, Device Pairing for Online or ...
Page 240 User Guide for the SIP-T48G IP Phone To configure call hold tone and call hold tone delay via web user interface: Click on Features->General Information. Select the desired value from the pull-down list of Play Hold Tone. Enter the desired time in the Play Hold Tone Delay field.
Page 241 Troubleshooting How to reboot the phone? To reboot the phone via web user interface: Click on Settings->Upgrade. Click Reboot to reboot the IP phone. 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: Click on Settings->Configuration.
Page 242 How to export system log? The log files are Yealink specific debug files which may be requested by the Yealink support organization. If you need technical support, you can export the log files to the Skype for Business Server, a local system or a syslog server. You can also specify the severity level of the log to be reported to a log file.
Page 243 Troubleshooting A dialog box pops up to prompt “Log Upload Success!”. Exporting the Log File to the Local System To export a log file to the local system via web user interface: Click on Settings->Configuration. Mark the Local radio box in the Export System Log field. Click Export to open file download window, and then save the file to your local system.
Page 244 User Guide for the SIP-T48G IP Phone field. For example, the IP address of your syslog server is 192.168.1.100. Click Confirm to accept the change. A dialog box pops up to prompt “Do you want to restart your machine?”. The configuration will take effect after a reboot.
Page 245 Troubleshooting To export the phone configurations via web user interface: Click on Settings->Configuration. Click Export to open file download window, and then save the file to your local system. To import the phone configurations via web user interface: Click on Settings->Configuration. Click Browse…...
Page 246 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!”. Click OK to confirm upgrading. SIP-T48G IP phone can be also upgraded from the Skype for Business Server. For more...
Page 247 Troubleshooting information on how to upgrade the SIP-T48G IP phone from the Skype for Business Server, Updating Phone Firmware from Microsoft Skype for Busniness Server refer to How to reset the phone? Reset the phone to factory configurations after you have tried almost all troubleshooting suggestions but do not solve the problem.
Page 248 User Guide for the SIP-T48G IP Phone The touch screen prompts the following warning: Tap the OK soft key. The phone begins resetting. After reset, the touch screen prompts “Welcom Initializing…Please wait”. The phone will be reset to factory sucessfully after startup.
Page 249 Without prior written consent, no organization or individual is permitted to  make any change to the structure or the safety design of the device. Yealink is under no circumstance liable to consequences or legal issues caused by such changes.
Page 250 User Guide for the SIP-T48G IP Phone Place the device on a stable and level platform.  Please place no heavy objects on the device in case of damageand  deformation caused by the heavy load. Keep at least 10 cm between the device and the closest object for heat ...
Page 251 Appendix A-Time Zones Time Zone Time Zone Name Samoa United States-Hawaii-Aleutian, United States-Alaska-Aleutian -9:30 French Polynesia United States-Alaska Time Canada(Vancouver,Whitehorse), Mexico(Tijuana,Mexicali), United States-Pacific Time Canada(Edmonton,Calgary), Mexico(Mazatlan,Chihuahua), United States-MST no DST, United States-Mountain Time Canada-Manitoba(Winnipeg), Chile(Easter Islands), Mexico(Mexico City,Acapulco), United States-Central Time Bahamas(Nassau), Canada(Montreal,Ottawa,Quebec), Cuba(Havana), United States-Eastern Time -4:30...
Page 252 User Guide for the SIP-T48G IP Phone Time Zone Time Zone Name +9:30 Australia(Adelaide), Australia(Darwin) Australia(Brisbane), Australia(Hobart), Australia(Sydney,Melboume,Canberra), Russia(Vladivostok) +10:30 Australia(Lord Howe Islands) New Caledonia(Noumea), Russia(Srednekolymsk Time) +11:30 Norfolk Island New Zealand(Wellington,Auckland), Russia(Kamchatka Time) +12:45 New Zealand(Chatham Islands) Tonga(Nukualofa) +13:30...
Page 253 Branch Office Resiliency BToE Sign-in Icon Instructions In This Guide Inbound Private Line Calendar Initiating a Conference Call Call Forward Installing the Yealink Better Together over Call History Management Ethernet Call Hold/Resume Call Mute Call Park Call Transfer Key as Send...
Page 254 User Guide for the SIP-T48G IP Phone for Business client Using Better Together over Ethernet Multicast Paging Using Multicast Paging Using the Calendar Using the Boss-Admin Using the EXP40 Navigating Menus and Fields Using Common Area Phone Packaging Contents Volume...

Yealink SIP-T48G User Manual

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