Yealink Yealink SIP-T48G User manual

Copyright © 2016 YEALINK(XIAMEN) NETWORK TECHNOLOGY CO., LTD.
Copyright © 2016 Yealink(Xiamen) Network Technology CO., LTD. All rights reserved. No parts of
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THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS GUIDE ARE
SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND
RECOMMENDATIONS IN THIS GUIDE ARE BELIEVED TO BE ACCURATE AND PRESENTED
WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL
RESPONSIBILITY FOR THEIR APPLICATION OF PRODUCTS.
YEALINK(XIAMEN) NETWORK TECHNOLOGY CO., LTD. MAKES NO WARRANTY OF ANY KIND
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Yealink(Xiamen) Network
Technology CO., LTD. shall not be liable for errors contained herein nor for incidental or
consequential damages in connection with the furnishing, performance, or use of this guide.
Hereby, Yealink(Xiamen) Network Technology CO., LTD. declares that this phone is in conformity with
the essential requirements and other relevant provisions of the CE, FCC.
You can find the CE and FCC information from the label on the back of the IP phone.
Statements of compliance can be obtained by contacting [e-mail].
This device is marked with the CE mark in compliance with EC Directives 2014/30/EU and 2014/35/EU.
Any changes or modifications not expressly approved by the party responsible for compliance could void
the user's authority to operate the equipment.

This device is compliant with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may cause undesired
operation.
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. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and receiver.
3. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
4. Consult the dealer or an experience radio/TV technician for help.
To avoid the potential effects on the environment and human health as a result of the
presence of hazardous substances in electrical and electronic equipment, end users of
electrical and electronic equipment should understand the meaning of the crossed-out
wheeled bin symbol. 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
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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.

About This Guide
v
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
place regular and Voice over Internet Protocol (VoIP) calls, answer calls, forward calls,
conduct a Skype for Business conference call, and dial from your Skype for Business
directory list through integration with Microsoft‟s Active Directory.
This guide provides everything you need to quickly use your new phone. First, verify
with your system administrator that the network is prepared for configuring your Yealink
SIP-T48G IP phone, and your network is correctly configured. Also be sure to read the
Packaging Contents and Regulatory Notices sections in this guide before you set up and
use the Yealink SIP-T48G IP phone.
Topics provided in this guide include:
Chapter 1 Overview
Chapter 2 Getting Started
Chapter 3 Customizing Your Phone
Chapter 4 Basic Call Features
Chapter 5 Common Area Phone
Chapter 6 Better Together over Ethernet
Chapter 7 EXP40 Expansion Module
Chapter 8 Troubleshooting
This section describes the changes to this guide for each release and guide version.
The following sections are new for this edition:
Device Pairing for Online on page 21
Skype for Business Directory on page 61
Local Directory on page 66

User Guide for the SIP-T48G IP Phone
vi
Headset Use on page 86
Bluetooth on page 88
Privacy Mode on page 104
Calendar on page 118
Reloading the Location Information from the Skype for Business Server on page 99
Group Call Pickup on page 162
Skype for Business Conference on page 163
Multicast Paging on page 184
Branch Office Resiliency on page 190
Common Area Phone on page 191
EXP40 Expansion Module on page 213
BToE Sign-in on page 206
Major updates have occurred to the following sections:
Ring Tones on page 59
Response Groups on page 143
Boss-Admin Feature on page 144
Inbound Private Line on page 158
Call Transfer on page 159
Voice Mail on page 180
Troubleshooting on page 221
Major update has occurred to the following section:
Troubleshooting on page 221
The following sections are new for this edition:
Account Lock on page 28
Phone Lock on page 55
Always Online on page 27
E911 on page 95
Dial-now on page 102
Static Forwarding on page 134

About This Guide
vii
Response Groups on page 143
Boss-Admin on page 144
Inbound Private Line on page 158
Call Park on page 178
Major updates have occurred to the following sections:
Icon Instructions on page 3
Sign-in on page 17
Changing Presence Status on page 25
Entering Data and Editing Fields on page 36

User Guide for the SIP-T48G IP Phone
viii

Table of Contents
ix
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..................................................................... ix
Overview .................................................................................. 1
Hardware Component Instructions.................................................................................... 1
Icon Instructions.................................................................................................................... 3
LED Instructions..................................................................................................................... 5
User Interfaces ..................................................................................................................... 6
Phone User Interface........................................................................................................ 6
Web User Interface........................................................................................................... 8
Documentations ................................................................................................................. 10
Getting Started....................................................................... 11
Packaging Contents........................................................................................................... 11
Optional Accessories ..................................................................................................... 12
Phone Installation............................................................................................................... 14
Phone Initialization............................................................................................................. 17
Sign-in.................................................................................................................................. 17
User Sign-in...................................................................................................................... 19
PIN Sign-in........................................................................................................................ 20
Device Pairing for Online ............................................................................................... 21
Sign-out............................................................................................................................ 24
Changing Presence Status................................................................................................ 25
Always Online ................................................................................................................. 27
Account Lock....................................................................................................................... 28
Touch Screen Display......................................................................................................... 30
Favorites Screen ............................................................................................................. 32
History Screen................................................................................................................. 32
Contacts Screen.............................................................................................................. 34
Menu Screen ................................................................................................................... 35

User Guide for the SIP-T48G IP Phone
x
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......................................................... 47
General Settings ................................................................................................................ 47
Backlight .......................................................................................................................... 47
Contrast............................................................................................................................ 48
Language......................................................................................................................... 49
Time & Date ..................................................................................................................... 50
Administrator Password ................................................................................................. 53
Key as Send..................................................................................................................... 54
Phone Lock....................................................................................................................... 55
Audio Settings .................................................................................................................... 58
Volume ............................................................................................................................. 58
Ring Tones........................................................................................................................ 59
Contact Management....................................................................................................... 60
Skype for Business Directory ......................................................................................... 61
Local Directory ................................................................................................................ 66
Placing Calls to Contacts ............................................................................................... 81
Searching for Contacts................................................................................................... 82
Call History Management ................................................................................................ 83
Headset Use....................................................................................................................... 86
Headset Mode Activation/Deactivation ...................................................................... 86
Headset Prior................................................................................................................... 87
Dual Headset .................................................................................................................. 88
Bluetooth ............................................................................................................................. 88
Enabling the Bluetooth Mode ....................................................................................... 89
Pairing and Connecting the Bluetooth Headset ......................................................... 89
Viewing the Bluetooth headset information ................................................................ 92
Editing the Bluetooth Device Information .................................................................... 92
Disconnecting the Bluetooth Headset.......................................................................... 93
Deleting the Bluetooth Headset.................................................................................... 93
Disabling the Bluetooth Mode ...................................................................................... 94
E911...................................................................................................................................... 95
E911 Location Tip ............................................................................................................ 95
Location Notification....................................................................................................... 96
Adding the Location Information .................................................................................. 99
Viewing the Location Information ............................................................................... 101
Emergency Call............................................................................................................. 101
Dial-now ............................................................................................................................ 102

Table of Contents
xi
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 ............................................................................................................... 113
Ending Calls...................................................................................................................... 114
Redialing Numbers .......................................................................................................... 114
Auto Answer ..................................................................................................................... 114
Call Waiting ...................................................................................................................... 115
Call Mute........................................................................................................................... 117
Call Hold/Resume............................................................................................................. 117
Calendar ........................................................................................................................... 118
Setting up a Skype Conference in Outlook ............................................................... 118
Setting up an Appointment in Outlook ...................................................................... 119
Setting up a Meeting in Outlook................................................................................. 120
Setting up an Event in Outlook.................................................................................... 121
Using the Calendar ...................................................................................................... 121
Call Forward ..................................................................................................................... 131
Static Forwarding.......................................................................................................... 131
Dynamic Forwarding.................................................................................................... 141
Response Groups............................................................................................................. 143
Boss-Admin Feature......................................................................................................... 144
Assigning/Removing Delegates .................................................................................. 145
Viewing the Bosses/Delegates.................................................................................... 147
Using the Boss-Admin................................................................................................... 149
Inbound Private Line ........................................................................................................ 158
Call Transfer ...................................................................................................................... 159
Blind Transfer ................................................................................................................. 160
Attended Transfer ......................................................................................................... 161
Group Call Pickup ............................................................................................................ 162
Skype for Business Conference...................................................................................... 163
Initiating a Skype for Business Conference Call ....................................................... 163
Viewing the Dial-in Number and Conference ID ...................................................... 167
Viewing the Conference Participants ......................................................................... 167
Managing the Conference Participants..................................................................... 168
Call Park ............................................................................................................................ 178
Voice Mail ......................................................................................................................... 180
Leaving the Voice Mail................................................................................................. 180
Managing the Voice Mail ............................................................................................ 180
Multicast Paging............................................................................................................... 184
Sending RTP Stream ..................................................................................................... 184

User Guide for the SIP-T48G IP Phone
xii
Receiving RTP Stream................................................................................................... 187
Using Multicast Paging................................................................................................. 188
Branch Office Resiliency.................................................................................................. 190
Common Area Phone ............................................................191
Signing into a Common Area Phone ............................................................................. 191
Using a Common Area Phone ........................................................................................ 192
Switching to a Skype for Business Account................................................................... 192
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.................................................................................................................. 201
Pairing your phone with Skype for Business client.................................................... 203
BToE Sign-in.................................................................................................................... 206
Setting the IP Phone as Primary Device ..................................................................... 209
Using Better Together over Ethernet .............................................................................. 209
EXP40 Expansion Module......................................................213
Connecting the EXP40...................................................................................................... 213
EXP40 Hardware Component Instructions .................................................................... 215
Assigning Skype for Business Contacts to the EXP40 .................................................. 216
Using the EXP40................................................................................................................ 217
Placing a Call Using the EXP40 ................................................................................... 217
Initiating a Conference Call Using the EXP40............................................................ 218
Transferring a Call Using the EXP40............................................................................ 219
Troubleshooting .....................................................................221
Troubleshooting Solutions ............................................................................................... 221
Regulatory Notices ................................................................235
Service Agreements ........................................................................................................ 235
Limitations of Liability ...................................................................................................... 235
Safety Instructions ............................................................................................................ 235
Appendix A - Time Zones......................................................237

Table of Contents
xiii
Index ......................................................................................239

User Guide for the SIP-T48G IP Phone
xiv

Overview
1
This chapter provides the overview of the SIP-T48G IP phone. Topics include:
Hardware Component Instructions
Icon Instructions
LED Instructions
User Interfaces
Documentations
If you require additional information or assistance with your new phone, contact your
system administrator.
The main hardware components of the SIP-T48G IP phone are the touch screen and the
keypad.

User Guide for the SIP-T48G IP Phone
2
Hardware component instructions of the SIP-T48G IP phone are:
Item
Description
①
Power Indicator LED
Indicates phone power and some feature statuses.
•Receives an incoming call—Fast flashing
•Receives a voice mail—Slow flashing
②
Touch Screen
The screen is touch-sensitive. Tap to select and highlight
screen items.
Shows information about calls, messages, soft keys,
time, date and other relevant data:
• Call information—caller ID, call duration
• Icons (for example, )
• Missed call text or second incoming caller information.
• Prompt text (for example, “Saving config file!”)
• Time and date
③
HEADSET Key
Toggles and indicates the headset mode.
④
MUTE Key
Toggles and indicates mute feature.
⑤
HOLD Key
Places a call on hold or resumes a held call.
⑥
TRANSFER Key
Transfers a call to another party.
⑦
Speakerphone Key
Toggles and indicates the hands-free speakerphone
mode.
⑧
MESSAGE Key
Accesses voice messages.
⑨
REDIAL Key
Enters Placed list or redials a previously dialed number.
⑩
Position the cursor within text you‟re updating.
Enable or disable fields.
Turn pages or scroll through values for a field.
Scroll through items.
Confirms actions or answers incoming calls.
Cancels actions or rejects incoming calls.
⑪
Volume Key
Adjusts the volume of the handset, headset,
speakerphone and ringer.
⑫
Keypad
Provides the digits, letters and special characters in
context-sensitive applications.
⑬
Speaker
Provides hands-free (speakerphone) audio output.
⑭
Hookswitch Tab
Secures the handset in the handset cradle when the IP
phone is mounted vertically. For more information on
how to adjust the hookswitch tab, refer to Yealink Wall
Mount Quick Installation Guide for Yealink IP Phones .
⑮
Hookswitch
Picking up the handset from the handset cradle, the
hookswitch bounces and the phone connects to the line,

Overview
3
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
Add a new call
View more soft keys
Attended transfer
Blind transfer
Call Park
View the conference participants
View the conference dial-in number and
conference ID
Forward incoming calls to voice mail
Invite a new call to the Skype for Business
conference
Lock the conference
Unlock the conference

User Guide for the SIP-T48G IP Phone
4
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
Connect to message center
Unread voice mail
Read voice mail
Bluetooth mode is on
Bluetooth headset is both paired and connected
Delete the Bluetooth headset
Reject or cancel a call
Received Calls
Placed Calls
Missed Calls
Return to previous screen
Receive a call
Make a call

Overview
5
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.
Fast flashing red
The phone is ringing.
Slow flashing red
The phone receives a voice mail.
Off
The phone is powered off.
The phone is idle.
The phone is busy.
The call is placed on hold or is held.
The call is muted.
Note
The above introduces the default power indicator LED status. The status of the power
indicator LED is configurable via web user interface. For more information, refer to
Yealink_Microsoft_Skype_for_Business_Edition_IP_Phones_Administrator_Guide .

User Guide for the SIP-T48G IP Phone
6
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. In addition, you can use the web user
interface to access all configuration settings. In many cases, it is possible to use either
the phone user interface and/or the web user interface interchangeably. However, in
some cases, it is only possible to use one or the other interface to operate the phone
and change settings.
You can customize your phone by tapping to access the phone user interface. The
Advanced option is only accessible to the administrator, and the default administrator
password is “admin”(case-sensitive). For more information on customizing your phone
with the available options from the phone user interface, refer to Customizing Your
Phone on page 47.
Menus are used to access information and configure the phone.