Yealink Yealink SIP-T42G User manual

User Guide for the SIP-T42G IP Phone
vi
Copyright
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. Under the law, reproducing includes translating into
another language or format.
When this publication is made available on media, Yealink(Xiamen) Network Technology CO., LTD. gives
its consent to downloading and printing copies of the content provided in this file only for private use
but not for redistribution. No parts of this publication may be subject to alteration, modification or
commercial use. Yealink(Xiamen) Network Technology CO., LTD. will not be liable for any damages arising
from use of an illegally modified or altered publication.
Warranty
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 WITH
REGARD TO THIS GUIDE, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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.
Declaration of Conformity
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 suppo[email protected].
CE Mark Warning
This device is marked with the CE mark in compliance with EC Directives 2014/35/EU and 2014/30/EU.
Part 15 FCC Rules
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 complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and

2. this device must accept any interference received, including interference that may cause undesired operation.
Industry Canada (IC)
This Class [B] digital apparatus complies with Canadian ICES-003 Rules.
Class B Digital Device or Peripheral
Note: This equipment has been tested and found to comply 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 experienced radio/TV technician for help.
WEEE Warning
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.
Customer Feedback
We are striving to improve our documentation quality and we appreciate your feedback. Email your
opinions and comments to [email protected].

User Guide for the SIP-T42G IP Phone
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GNU GPL INFORMATION
Yealink SIP-T42G 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
ix
About This Guide
Thank you for choosing the SIP-T42G IP phone, an ultra-elegant Gigabit IP phone which is
exquisitely designed to provide business telephony features, such as Call Hold, Call Transfer,
Busy Lamp Field, Multicast Paging and Conference over an IP network.
This guide provides everything you need to quickly use your new phone. First, verify with your
system administrator that the IP network is ready for phone configuration. Also be sure to read
the Packaging Contents and Regulatory Notices sections in this guide before you set up and use
the SIP-T42G IP phone.
Note
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
Summary of Changes
This section describes the changes to this guide for each release and guide version.
Changes for Release 81, Guide Version 81.15
The contents in the following section are removed to Frequently Asked Questions on Yealink IP
Phones :
Troubleshooting
The following sections are new:
Power Saving on page 23
BLF Ring Type on page 35
Network Directory and Network Call Log features are hidden for IP phones in the neutral
firmware, which are designed for the BroadWorks environment. Please contact your system
administrator for more information.

User Guide for the SIP-T42G IP Phone
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Changes for Release 81, Guide Version 81.10
The following section is new:
Key Tone on page 35
Major updates have occurred to the following sections:
Basic Network Settings on page 18
Language on page 27
Phone Lock on page 30
Volume on page 32
DSS Keys on page 56
Dial Plan on page70
Call Transfer on page 80
Call Mute on page 87
Do Not Disturb (DND) on page 90
Call Park on page 108
Busy Lamp Field (BLF) on page 119
Intercom on page 130
Multicast Paging on page 133
Changes for Release 80, Guide Version 80.95
The following section is new:
Entering Data and Editing Fields on page 20
Major updates have occurred to the following sections:
Icon Instructions on page 3
Optional Accessories on page 12
Phone Installation on page 13
Appendix on page 169
Changes for Release 80, Guide Version 80.60
The following sections are new:
Shared Call Appearance (SCA) on page 142
Bridged Line Appearance (BLA) on page 155

About This Guide
xi
Major updates have occurred to the following sections:
Icon Instructions on page 3
LED Instructions on page 5
Web User Interface on page 8
Call Forward on page 94
Changes for Release 80, Guide Version 80.20
The following section is new:
Logo Customization on page 53
Major updates have occurred to the following sections:
Web User Interface on page 8
Anonymous Call Rejection on page 117
ReCall on page 87
Intercom on page 130
Multicast Paging on page 133
Placing Calls on page 80
Contact Management on page 36
Auto Answer on page 84
Changes for Release 80, Guide Version 80.1
The following sections are new:
Optional Accessories on page 12
Short Message Service (SMS) on page 160
Major updates have occurred to the following sections:
Phone Lock on page 30
Auto Answer on page 84
Local Directory on page 37
Anonymous Call on page 116
BLF List on page 125
Appendix on page 169

User Guide for the SIP-T42G IP Phone
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Changes for Release 73, Guide Version 73.16
The following sections are new:
BLF List on page 125
Call Completion on page 86
Major updates have occurred to the following sections:
LED Instructions on page 5
Ring Tones on page 33
Anonymous Call on page 116
Anonymous Call Rejection on page 117
Appendix on page 169
Changes for Release 72, Guide Version 72.2
Major updates have occurred to the following sections:
Documentations on page 10
Packaging Contents on page 11
Changes for Release 72, Guide Version 72.1
The following section is new:
Call Completion on page 86
Major updates have occurred to the following sections:
LED Instructions on page 5
Backlight on page 26
Anonymous Call on page 116
Changes for Release 71, Guide Version 71.120
Major updates have occurred to the following sections:
Icon Instructions on page 3
DSS Keys on page 56
Dial Plan on page 70
Anonymous Call on page 116

About This Guide
xiii
Changes for Release 71, Guide Version 71.90
Major updates have occurred to the following sections:
Phone Status on page 17
Directory on page 36
Remote Phone Book on page 47

User Guide for the SIP-T42G IP Phone
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Table of Contents
xv
Table of Contents
About This Guide ..........................................................................ix
In This Guide .............................................................................................................................................................ix
Summary of Changes ............................................................................................................................................ix
Changes for Release 81, Guide Version 81.15.........................................................................................ix
Changes for Release 81, Guide Version 81.10..........................................................................................x
Changes for Release 80, Guide Version 80.95..........................................................................................x
Changes for Release 80, Guide Version 80.60..........................................................................................x
Changes for Release 80, Guide Version 80.20.........................................................................................xi
Changes for Release 80, Guide Version 80.1 ...........................................................................................xi
Changes for Release 73, Guide Version 73.16........................................................................................xii
Changes for Release 72, Guide Version 72.2 ..........................................................................................xii
Changes for Release 72, Guide Version 72.1 ..........................................................................................xii
Changes for Release 71, Guide Version 71.120 .....................................................................................xii
Changes for Release 71, Guide Version 71.90.......................................................................................xiii
Table of Contents......................................................................... xv
Overview .........................................................................................1
Hardware Component Instructions ..................................................................................................................1
Icon Instructions.......................................................................................................................................................3
Feature Status Icons............................................................................................................................................3
Line Key Icons........................................................................................................................................................3
Other Icons.............................................................................................................................................................4
LED Instructions........................................................................................................................................................5
User Interfaces ..........................................................................................................................................................7
Phone User Interface..........................................................................................................................................7
Web User Interface..............................................................................................................................................8
Documentations.................................................................................................................................................... 10
Getting Started.............................................................................11
Packaging Contents ............................................................................................................................................. 11
Optional Accessories....................................................................................................................................... 12
Phone Installation ................................................................................................................................................. 13
Phone Initialization............................................................................................................................................... 16
Phone Status........................................................................................................................................................... 17
Basic Network Settings....................................................................................................................................... 18

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Registration ............................................................................................................................................................. 19
Idle Screen ............................................................................................................................................................... 20
Entering Data and Editing Fields..................................................................................................................... 20
Customizing Your Phone.............................................................23
General Settings .................................................................................................................................................... 23
Power Saving...................................................................................................................................................... 23
Backlight............................................................................................................................................................... 26
Language.............................................................................................................................................................. 27
Time & Date........................................................................................................................................................ 27
Administrator Password................................................................................................................................. 29
Key as Send......................................................................................................................................................... 30
Phone Lock.......................................................................................................................................................... 30
Audio Settings........................................................................................................................................................ 32
Volume.................................................................................................................................................................. 32
Ring Tones........................................................................................................................................................... 33
Key Tone............................................................................................................................................................... 35
BLF Ring Type..................................................................................................................................................... 35
Contact Management ......................................................................................................................................... 36
Directory............................................................................................................................................................... 36
Local Directory ................................................................................................................................................... 37
Blacklist ................................................................................................................................................................. 46
Remote Phone Book........................................................................................................................................ 47
Call History Management.................................................................................................................................. 49
Viewing History Records................................................................................................................................ 49
Placing a Call from History Records .......................................................................................................... 50
Adding a Contact to the Local Directory/Blacklist............................................................................... 50
Deleting History Records............................................................................................................................... 50
Disabling History Record ............................................................................................................................... 51
Search Source List in Dialing ............................................................................................................................ 51
System Customizations....................................................................................................................................... 53
Logo Customization......................................................................................................................................... 53
Headset Use........................................................................................................................................................ 54
DSS Keys............................................................................................................................................................... 56
Account Management .................................................................................................................................... 68
Dial Plan................................................................................................................................................................ 70
Emergency Number......................................................................................................................................... 75
Live Dialpad......................................................................................................................................................... 76
Hotline................................................................................................................................................................... 76
Basic Call Features........................................................................79
Placing Calls ............................................................................................................................................................ 80
Answering Calls...................................................................................................................................................... 82

Table of Contents
xvii
Ending Calls............................................................................................................................................................. 83
Redialing Numbers............................................................................................................................................... 83
Recent Call In Dialing .......................................................................................................................................... 83
Auto Answer............................................................................................................................................................ 84
Auto Redial.............................................................................................................................................................. 85
Call Completion..................................................................................................................................................... 86
ReCall......................................................................................................................................................................... 87
Call Mute .................................................................................................................................................................. 87
Mute a Call .......................................................................................................................................................... 88
Mute While Dialing .......................................................................................................................................... 88
Keep Mute ........................................................................................................................................................... 88
Call Hold/Resume ................................................................................................................................................. 89
Do Not Disturb (DND)......................................................................................................................................... 90
Call Forward ............................................................................................................................................................ 94
Static Forwarding.............................................................................................................................................. 94
Dynamic Forwarding .....................................................................................................................................100
Call Transfer...........................................................................................................................................................100
Blind Transfer....................................................................................................................................................101
Semi-attended Transfer................................................................................................................................103
Attended Transfer...........................................................................................................................................104
Call Waiting ...........................................................................................................................................................104
Conference ............................................................................................................................................................105
Local Conference ............................................................................................................................................105
Network Conference......................................................................................................................................106
Call Park..................................................................................................................................................................108
FAC Mode ..........................................................................................................................................................108
Transfer Mode..................................................................................................................................................110
Call Pickup .............................................................................................................................................................112
Directed Call Pickup.......................................................................................................................................112
Group Call Pickup ...........................................................................................................................................114
Anonymous Call ..................................................................................................................................................116
Anonymous Call Rejection ..............................................................................................................................117
Advanced Phone Features.........................................................119
Busy Lamp Field (BLF)........................................................................................................................................119
Configuring the BLF Feature on the IP Phone.....................................................................................119
Using BLF Feature on the IP Phone .........................................................................................................123
BLF List ....................................................................................................................................................................125
Call Recording ......................................................................................................................................................126
Configuring a Record Key ...........................................................................................................................127
Configuring a URL Record Key..................................................................................................................128
Recording a Call ..............................................................................................................................................128
Hot Desking ..........................................................................................................................................................129
Intercom .................................................................................................................................................................130

User Guide for the SIP-T42G IP Phone
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Configuring the Intercom Feature on the IP Phone..........................................................................130
Using Intercom ................................................................................................................................................132
Multicast Paging..................................................................................................................................................133
Sending RTP Stream......................................................................................................................................134
Receiving RTP Stream ...................................................................................................................................136
Using Multicast Paging.................................................................................................................................138
Music on Hold (MoH)........................................................................................................................................139
Automatic Call Distribution (ACD) ...............................................................................................................140
Shared Call Appearance (SCA).......................................................................................................................142
Configuring SCA Feature on the IP Phone ...........................................................................................142
Using SCA Feature on the IP Phone........................................................................................................149
Bridged Line Appearance (BLA).....................................................................................................................155
Configuring BLA Feature on the IP Phone............................................................................................156
Using BLA Feature on the IP Phone.........................................................................................................158
Messages................................................................................................................................................................160
Short Message Service (SMS).....................................................................................................................160
Voice Mail ..........................................................................................................................................................162
Message Waiting Indicator (MWI) ...........................................................................................................163
Regulatory Notices ....................................................................167
Service Agreements ...........................................................................................................................................167
Limitations of Liability .......................................................................................................................................167
Safety Instructions ..............................................................................................................................................167
Appendix.....................................................................................169
Appendix A –Time Zones................................................................................................................................169
Appendix B –Menu Structure........................................................................................................................171
Index ...........................................................................................173

Overview
1
Overview
This chapter provides the overview of the SIP-T42G 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.
Hardware Component Instructions
The main hardware components of the SIP-T42G IP phone are the LCD screen and the keypad.

User Guide for the SIP-T42G IP Phone
2
Hardware component instructions of the SIP-T42G IP phone are:
Item
Description
①
LCD Screen
Shows information about calls, messages, soft keys, time,
date and other relevant data:
• Default account
• 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
②
Power Indicator LED
Indicates phone power and some feature statuses.
• Receives an incoming call—Fast flashing
• Receives a voice mail or text message—Slowly flashing
③
Line Keys
Use these keys to activate up to twelve accounts and
assign various features.
④
(Mute Key)
Toggles and indicates mute feature.
(Headset Key)
Toggles and indicates the headset mode.
(Message Key)
Accesses voice mails.
(Redial Key)
Redials a previously dialed number.
⑤
Speakerphone Key
Toggles and indicates the hands-free speakerphone
mode.
⑥
Volume Key
Adjusts the volume of the handset, headset, speaker or
ringer.
⑦
Keypad
Provides the digits, letters, and special characters in
context-sensitive applications.
⑧
Scroll through the displayed information.
Confirms actions or answers incoming calls.
Cancels actions or rejects incoming calls.
⑨
Soft Keys
Label automatically to identity their context-sensitive
features.
⑩
Speaker
Provides hands-free (speakerphone) audio output.
⑪
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 .
⑫
Hookswitch
• Picking up the handset from the handset cradle, the
hookswitch bounces and the phone connects to the line.
• Laying the handset down on the handset cradle, the

Overview
3
phone disconnects from the line.
Icon Instructions
Feature Status Icons
Icons appearing on the status bar are described in the following table:
Icons
Description
Network is unavailable
Hands-free speakerphone mode
Handset mode
Headset mode
Voice Mail
Auto Answer
Do Not Disturb (DND)
Ringer volume is 0
Phone Lock
Missed Calls
Call Forward
Line Key Icons
Icon indicator (associated with line)
Icons
Description
The private line registers successfully
The shared/bridged line registers successfully

User Guide for the SIP-T42G IP Phone
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Icons
Description
Registering
Register failed
DND is enabled on this line
Call forward is enabled on this line
Icon indicator (associated with ACD)
Icon
Description
The ACD state is available
and x
The ACD state is unavailable
The ACD state is Wrap up
Logged out of the ACD system
Other Icons
Icon indicator (associated with call recording)
Icon
Description
Recording box is full
A call cannot be recorded
Recording starts successfully
Recording cannot be started
Recording cannot be stopped

Overview
5
Icon indicator (associated with call history)
Icon
Description
Received Calls
Placed Calls
Missed Calls
Forwarded Calls
Icon indicator (associated with contact)
Icon
Description
The contact icon
LED Instructions
Power Indicator LED
LED Status
Description
Solid red
The phone is initializing.
Fast flashing red (300ms)
The phone is ringing.
Slowly flashing red (1s)
The phone receives a text message or 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.
Line key LED
LED Status
Description
Solid green
The line is seized.
The line is in conversation.
Fast flashing green
The line receives an incoming call.
Slowly flashing green
The call is placed on hold.
Off
The line is inactive.

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Line key LED (configured as a BLF key or BLF List key)
LED Status
Description
Solid green
The monitored user is idle.
Fast flashing red (200ms)
The monitored user receives an incoming call.
Solid red
The monitored user is busy.
The monitored user’s conversation is placed on hold
(This LED status requires server support).
Slowly flashing red (1s)
The call is parked against the monitored user’s phone
number.
Off
The monitored user does not exist.
Line key LED (used as a page switch key)
LED Status
Description
Solid red
There is a parked call on the line key of the non-current
page.
Solid green
There is a call on the line key of the non-current page.
Fast flashing green
The line receives an incoming call on the non-current
page.
Fast flashing red
The monitored user receives an incoming call on the
non-current page.
Off
Line keys on every page are idle.
Line key LED (associated with a shared line)
The local SCA phone indicates the phone is involved in an SCA call, while the monitoring SCA
phone indicates the phone is not involved in the SCA call.
LED Status
Description
Off
The shared line is idle.
Fast flashing green
The shared line receives an incoming call.
Solid green (for local SCA
phone)
Solid red (for monitoring SCA
phone)
The shared line is in conversation.
The shared line is dialing.
The shared line is seized.
The shared line conversation is barged in by the other
shared line party.
Slowly flashing green (for local
SCA phone)
Slowly flashing red (for
monitoring SCA phone)
The shared line conversation is placed on public hold.
Slowly flashing green (for local
SCA phone)
The shared line conversation is placed on private hold.
For a multi-party call, all the shared line parties