Yealink T48S Skype For Business Edition User manual

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GNU GPL INFORMATION
Yealink T48S Skype for Business 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
About This Guide
Yealink T48S phone with the Skype for Business firmware enables a new era in unified
communications. It is designed to work with the Skype for Business Server. Connecting a
Yealink T48S Skype for Business 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 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 IP network is ready for phone configuration. Also be sure to read
the Quick Start Guide in your phone package before you set up and use the phone. As you read
this guide, keep in mind that some features should be configured by your system administrator.
Read the Yealink Products Regulatory Notices guide for all regulatory and safety guidance.
In This Guide
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 Advanced Phone Features
Chapter 6 Using Optional Accessories with Your Phone
Chapter 7 Troubleshooting
Summary of Changes
This section describes the changes to this guide for each release and guide version.
Changes for Release 9, Guide Version 9.42
The following sections are new:
Multi-factor Authentication on page 31
Setting Your Phone as the Default Audio Playback for Your Computer on page 214

User Guide for the T48S Skype for Business phone
VI

Table of Contents
VII
Table of Contents
About This Guide ........................................................................... v
In This Guide ..............................................................................................................................................................v
Summary of Changes .............................................................................................................................................v
Changes for Release 9, Guide Version 9.42...............................................................................................v
Table of Contents........................................................................ VII
Overview .......................................................................................13
Hardware Component Instructions ............................................................................................................... 13
Icons Instructions.................................................................................................................................................. 15
LED Instructions..................................................................................................................................................... 17
Power LED Indicators ...................................................................................................................................... 17
User Interfaces ....................................................................................................................................................... 17
Phone User Interface....................................................................................................................................... 18
Web User Interface........................................................................................................................................... 20
Features Configurable via Phone/Web User Interface....................................................................... 20
Documentations.................................................................................................................................................... 23
Getting Started.............................................................................25
Phone Initialization............................................................................................................................................... 25
Signing into Skype for Business...................................................................................................................... 26
PIN Authentication........................................................................................................................................... 27
User Sign-in......................................................................................................................................................... 27
Web Sign-In........................................................................................................................................................ 28
Signing in via PC ............................................................................................................................................... 31
Multi-factor Authentication.............................................................................................................................. 31
Binding Your Mobile Phone with Online Account............................................................................... 32
Passing MFA........................................................................................................................................................ 33
Signing Out of Skype for Business................................................................................................................. 37
Presence Status...................................................................................................................................................... 38
Changing Presence Status............................................................................................................................. 40
Resetting Presence Status ............................................................................................................................. 41
Touch Screen Display .......................................................................................................................................... 41
Favorites Screen ................................................................................................................................................ 43
History Screen .................................................................................................................................................... 44
Contacts Screen................................................................................................................................................. 44
Menu Screen....................................................................................................................................................... 45
Navigating Menus and Fields........................................................................................................................... 45

User Guide for the T48S Skype for Business phone
VIII
Entering Data and Editing Fields..................................................................................................................... 46
Using the Phone Keypad ............................................................................................................................... 46
Using the On-screen Keyboard................................................................................................................... 49
Phone Status........................................................................................................................................................... 51
Viewing the Phone Status ............................................................................................................................. 51
Basic Network Settings....................................................................................................................................... 53
Configuring the DHCP .................................................................................................................................... 53
Configuring the Static IPv4 Address.......................................................................................................... 54
Configuring the Static IPv6 Address.......................................................................................................... 54
Customizing Your Phone.............................................................57
General Settings .................................................................................................................................................... 57
Remember Password....................................................................................................................................... 57
Account Lock ...................................................................................................................................................... 59
Always Online..................................................................................................................................................... 60
Screen Saver........................................................................................................................................................ 61
Power Saving...................................................................................................................................................... 63
Backlight............................................................................................................................................................... 66
Contrast ................................................................................................................................................................ 67
Showing Full Name .......................................................................................................................................... 68
Language.............................................................................................................................................................. 69
Time & Date........................................................................................................................................................ 70
Administrator Password................................................................................................................................. 72
Key as Send......................................................................................................................................................... 73
Phone Lock.......................................................................................................................................................... 74
Audio Settings........................................................................................................................................................ 79
Volume.................................................................................................................................................................. 79
Phone's Ringtone.............................................................................................................................................. 79
Key Tone............................................................................................................................................................... 80
Contact Management ......................................................................................................................................... 81
Searching for Contacts ................................................................................................................................... 81
Skype for Business Directory........................................................................................................................ 82
Local Directory ................................................................................................................................................... 86
Placing Calls to Contacts................................................................................................................................ 97
Call History Management.................................................................................................................................. 97
Viewing History Records................................................................................................................................ 98
Placing a Call from History Records .......................................................................................................... 98
Adding Contacts from History Records ................................................................................................... 99
Deleting History Records.............................................................................................................................100
Configuring Contact Avatar........................................................................................................................100
Disabling History Record.............................................................................................................................100
Dial Plan..................................................................................................................................................................101
Dial-now .................................................................................................................................................................101
Delay Time for Dial-Now Rule ...................................................................................................................103

Table of Contents
IX
Basic Call Features......................................................................105
Switching among the Handset, Speakerphone and Headset Modes ............................................106
Placing Calls ..........................................................................................................................................................106
Placing a Call ....................................................................................................................................................106
Placing Multiple Calls....................................................................................................................................107
Placing a Call from the Search Results List...........................................................................................107
Dialing the Hotline Number .......................................................................................................................108
Redialing Numbers ........................................................................................................................................109
Answering Calls....................................................................................................................................................109
Answering When Not in Another Call ....................................................................................................109
Answering When in Another Call .............................................................................................................110
Answering Calls Automatically ..................................................................................................................110
Configuring the Call Waiting......................................................................................................................111
Ending Calls...........................................................................................................................................................113
Call Mute ................................................................................................................................................................113
Call Hold/Resume ...............................................................................................................................................114
Music on Hold..................................................................................................................................................114
Call Forward ..........................................................................................................................................................115
Static Forwarding............................................................................................................................................115
Dynamic Forwarding .....................................................................................................................................122
Team-Call Group .................................................................................................................................................123
Team-Call Ringtone .......................................................................................................................................124
Response Groups................................................................................................................................................125
Response Group Ringtone..........................................................................................................................125
Call Queue .............................................................................................................................................................126
Inbound Private Line..........................................................................................................................................126
Private Line Tones...........................................................................................................................................127
Call Transfer...........................................................................................................................................................128
Blind Transfer....................................................................................................................................................129
Consultative Transfer.....................................................................................................................................129
Skype for Business Conference .....................................................................................................................130
Initiating a Skype for Business Conference Call..................................................................................130
Viewing the Conference Information......................................................................................................133
Viewing the Conference Participants......................................................................................................133
Managing the Conference Participants .................................................................................................134
Calendar..................................................................................................................................................................138
Setting up an Appointment in Outlook .................................................................................................139
Setting up a Meeting in Outlook..............................................................................................................139
Setting up an Event in Outlook.................................................................................................................140
Setting up a Skype Conference in Outlook ..........................................................................................141
Using the Calendar.........................................................................................................................................142
Parking and Retrieving Calls on the Skype for Business Server .......................................................152
Parking Skype for Business Calls ..............................................................................................................152

User Guide for the T48S Skype for Business phone
X
Retrieving Parked Skype for Business Calls..........................................................................................153
Group Call Pickup ...............................................................................................................................................153
Shared Line Appearance(SLA)........................................................................................................................154
Viewing Shared Line Appearances...........................................................................................................155
Answering SLA Calls.......................................................................................................................................156
Placing a SLA Call on Hold..........................................................................................................................157
Resuming Held SLA Calls.............................................................................................................................157
Missed and Received Calls on Shared Lines ........................................................................................158
Boss-Admin ...........................................................................................................................................................158
Assigning/Removing Delegates................................................................................................................158
Viewing the Delegates Group....................................................................................................................160
Viewing the Boss Group...............................................................................................................................161
Boss-Line Ringtone ........................................................................................................................................161
Delegates-call Ringtone...............................................................................................................................162
Using the Boss-Admin Feature..................................................................................................................163
Voicemail................................................................................................................................................................169
Leaving the Voicemail...................................................................................................................................169
Managing the Voicemail..............................................................................................................................170
Advanced Phone Features.........................................................175
E911..........................................................................................................................................................................175
E911 Location Tip ...........................................................................................................................................175
Adding the Location Information.............................................................................................................177
Selecting the Default Location ..................................................................................................................177
Viewing the Location Information ...........................................................................................................178
Emergency Call ................................................................................................................................................178
USB Recording .....................................................................................................................................................179
Recording a Call ..............................................................................................................................................181
Stop Recording a Call....................................................................................................................................183
Playing Back Recorded Calls.......................................................................................................................184
Deleting the Recording ................................................................................................................................185
Viewing the Storage Space.........................................................................................................................186
Intercom .................................................................................................................................................................186
Configuring the Intercom............................................................................................................................187
Configuring the Target Extension Number ..........................................................................................188
Placing an Intercom Call ..............................................................................................................................190
Multicast Paging..................................................................................................................................................190
Sending RTP Stream......................................................................................................................................191
Receiving RTP Stream ...................................................................................................................................192
Using Multicast Paging.................................................................................................................................193
Privacy Mode ........................................................................................................................................................194
Modifying the Privacy Mode from the Phone.....................................................................................195
Modifying the Privacy Mode from the Skype for Business Client ...............................................196
Hot Desking ..........................................................................................................................................................197

Table of Contents
XI
Configuring the Hot Desking.....................................................................................................................197
Signing in as the Hot Desking User.........................................................................................................198
Signing out from the Hot Desking User................................................................................................199
Common Area Phone........................................................................................................................................200
Configuring a Common Area Phone.......................................................................................................200
Signing into a Common Area Phone Account ....................................................................................201
Signing Out of a Common Area Phone .................................................................................................204
Branch Office Resiliency ...................................................................................................................................205
Better Together over Ethernet.......................................................................................................................206
Getting Started with Better Together over Ethernet ........................................................................206
Installing the Yealink Better Together over Ethernet Connector.................................................206
Pairing Your Phone with Your Computer..............................................................................................211
Setting Your Phone as the Default Audio Playback for Your Computer ..................................214
Enabling Better Together over Ethernet................................................................................................215
Using Better Together over Ethernet......................................................................................................217
Disabling BToE on Your Phone .................................................................................................................220
Exiting BToE on Your Computer ...............................................................................................................220
Uninstalling the Yealink BToE Connector..............................................................................................220
Using Optional Accessories with Your Phone .........................221
Using a Headset ..................................................................................................................................................221
Using an Analog Headset............................................................................................................................221
Using the Wireless Headset Adapter EHS36........................................................................................224
Using Bluetooth Feature ..................................................................................................................................224
Connecting the Bluetooth USB Dongle BT40......................................................................................225
Activating the Bluetooth Mode.................................................................................................................225
Deactivating the Bluetooth Mode............................................................................................................226
Pairing and Connecting the Bluetooth Headset.................................................................................226
Viewing the Bluetooth headset information........................................................................................228
Editing the Bluetooth Device Information............................................................................................228
Deleting the Paired Bluetooth Headset .................................................................................................229
Disconnecting the Bluetooth Headset ...................................................................................................230
Connecting to the Wireless Network..........................................................................................................230
Connecting the Wi-Fi USB Dongle WF40..............................................................................................230
Activating the Wi-Fi Mode..........................................................................................................................231
Connecting to the Wireless Network......................................................................................................231
Viewing the Wireless Network Information .........................................................................................234
Managing the Saved Wireless Network.................................................................................................235
Disconnecting the Wireless Network Connection .............................................................................236
Deactivating the Wi-Fi Mode.....................................................................................................................236
Using an EXP40 Expansion Module.............................................................................................................237
Troubleshooting.........................................................................239

User Guide for the T48S Skype for Business phone
XII
Troubleshooting Solutions..............................................................................................................................239
Regulatory Notices ....................................................................249
Service Agreements ...........................................................................................................................................249
Limitations of Liability .......................................................................................................................................249
Safety Instructions ..............................................................................................................................................249
Appendix A - Time Zones..........................................................251

Overview
13
Overview
This chapter provides the overview of the T48S Skype for Business phone. Topics include:
Hardware Component Instructions
Icons Instructions
User Interfaces
Documentations
For more information or assistance with your new phone, contact your system administrator.
Hardware Component Instructions
The main hardware components of the T48S Skype for Business phone are the touch screen
and the keypad.
The following figure displays the hardware features on the T48S Skype for Business phone:

User Guide for the T48S Skype for Business phone
14
Hardware component instructions of the T48S Skype for Business phone are:
Item
Description
①
Power LED Indicator
Indicates whether the phone is powered up and some
feature statuses.
• Receives an incoming call—Fast-flashing
• Receives a voicemail—Slow-flashing
②
Touch Screen
The screen is touch-sensitive. Tap to select and highlight
screen items.
Shows information about your phone, such as calls,
messages, soft keys, time, and date:
• Default account
• Call information—caller ID, call duration
• Icons (for example, )
• Missed call information or caller information of second
incoming
• Messages (for example, “Saving config file!”)
• Time and date
③
HEADSET Key
Toggles and indicates the headset mode.
The key LED glows green when headset mode is activated.
④
MUTE Key
Toggles and indicates mute feature.
The key LED glows red when the microphone is muted.
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.
The key LED glows green when hands-free (speakerphone)
mode is activated.
⑧
MESSAGE Key
Accesses and manages voice mails.
⑨
REDIAL Key
Redials the most recently dialed number.
⑩
Navigation Keys
Scroll through menus, information or options displayed on
the phone’s screen.

Overview
15
Item
Description
OK Key
Confirms actions or answers incoming calls.
Cancel Key
Cancels actions or rejects incoming calls.
⑪
Volume Key
Adjusts the volume of the handset, headset, speaker, ringer
or media.
⑫
Dialpad
Allows you to enter numbers, letters and special characters
as well as select menu items which are with index numbers.
⑬
Speaker
Provides hands-free (speakerphone) audio output.
⑭
Reversible Tab
Secures the handset in the handset cradle when the IP
phone is mounted vertically. For more information on how
to adjust the reversible tab, refer to Yealink Wall Mount
Quick Installation Guide for Yealink IP Phones .
⑮
Hookswitch
• Lifts the handset from the handset cradle, then the
hookswitch bounces and the phone connects to the line.
• Resets the handset on the handset cradle, then the phone
disconnects from the line automatically.
Icons Instructions
Phone icons displaying on the touch screen are described in the following table:
Icons
Description
Local Favorites
Call Mute
Search for contacts
Call Hold
Invite a new call to the Skype for Business conference
Forward incoming calls to voicemail
Enter message center
Received Calls
Placed Calls

User Guide for the T48S Skype for Business phone
16
Icons
Description
Missed Calls
Bluetooth mode is on
Bluetooth headset is both paired and connected
Hands-free speakerphone mode
Location is not set
Voicemail
Unread voicemail
Read voicemail
Auto Answer
Enable the conference announcement
Conference presenter
Conference attendee
Conference lock
Ringer volume is 0
Phone Lock
Paging key
Intercom key
Shared Line Appearance
USB flash drive is connected

Overview
17
Icons
Description
Recording in progress
Recording paused
Set your phone as primary audio device for PC
LED Instructions
Power LED Indicators
Power Indicator LED
LED Status
Description
Red
The phone is initializing.
Fast-flashing red (300ms)
The phone is ringing.
Slow-flashing red (1s)
The phone receives a voicemail.
Red for 500ms and off for 3s
alternately
The phone enters power-saving mode.
Off
The phone is powered off.
The phone is idle.
The phone is busy.
The call is placed on hold.
The call is muted.
Note
User Interfaces
There are two ways to configure your IP phone:
Via phone user interface
Via web user interface
The phone user interface, being made up of keypad and touch screen, allows users to perform
all call operations and change basic configuration settings directly on the phone. But if you
want to access all configuration settings, you should use web user interface instead. In most
cases, it is possible to configure your IP phone via both phone user interface and web user
The above introduces the default status of power LED indicator. You can configure it via web
user interface. For more information, refer to
Yealink_Skype_for_Business_HD_IP_Phones_Administrator_Guide .

User Guide for the T48S Skype for Business phone
18
interface. While in some particular cases, only via phone user interface or via web user interface
is available for you to operate or configure your IP phone. This guide mainly takes phone user
interface as an example.
Phone User Interface
You can customize your phone by tapping Menu 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 57.
Menus are used to access information and configure the phone.