Yealink SIP-T42S User Manual

4.5 (2)
Copyright
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.
Copyright © 2017 YEALINK(XIAMEN) NETWORK TECHNOLOGY CO., LTD.
Copyright © 2017 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
Statements of compliance can be obtained by contacting support@yealink.com.
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
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.
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 and ICCS-03 Part V 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
Customer Feedback
We are striving to improve our documentation quality and we appreciate your feedback. Email your opinions and comments to DocsFeedback@yealink.com.
GNU GPL INFORMATION
Yealink SIP-T42S 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

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.
Thank you for choosing the SIP-T42S 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-T42S IP phone.
Note
About This Guide

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 81.70

The following section is new:
Parking a Call/Retrieving a Parked Call to the Monitored User on page 123
Major updates have occurred to the following sections:
Entering Data and Editing Fields on page 20
Configuring an Access URL on page 47
DSS Keys on page 55
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User Guide for SIP-T42S IP Phone
Auto Answer on page 82
Do Not Disturb (DND) on page 88
Call Forward on page 92
Call Park/Retrieve on page 106
Configuring Visual and Audio Alert for BLF Pickup on page 118
Receiving RTP Stream on page 135
BLF Ring Type is moved to Configuring Visual and Audio Alert for BLF Pickup on page 118.

Changes for Release 81, Guide Version 81.20

None
x

Table of Contents

Table of Contents
About This Guide .......................................................................... ix
In This Guide ............................................................................................................................................................. ix
Summary of Changes ............................................................................................................................................ ix
Changes for Release 81, Guide Version 81.70 ......................................................................................... ix
Changes for Release 81, Guide Version 81.20 .......................................................................................... x
Table of Contents .......................................................................... xi
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
Registration ............................................................................................................................................................. 19
Idle Screen ............................................................................................................................................................... 20
Entering Data and Editing Fields..................................................................................................................... 20
Customizing Your Phone ............................................................. 23
General Settings .................................................................................................................................................... 23
Power Saving ...................................................................................................................................................... 23
Backlight ............................................................................................................................................................... 26
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User Guide for SIP-T42S IP Phone
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
Contact Management ......................................................................................................................................... 35
Directory ............................................................................................................................................................... 35
Local Directory ................................................................................................................................................... 37
Blacklist ................................................................................................................................................................. 45
Remote Phone Book ........................................................................................................................................ 46
Call History Management .................................................................................................................................. 48
Viewing History Records ................................................................................................................................ 48
Placing a Call from History Records .......................................................................................................... 49
Adding a Contact to the Local Directory/Blacklist ............................................................................... 49
Deleting History Records ............................................................................................................................... 49
Disabling History Record ............................................................................................................................... 50
Search Source List in Dialing ............................................................................................................................ 50
System Customizations....................................................................................................................................... 52
Logo Customization ......................................................................................................................................... 52
Headset Use ........................................................................................................................................................ 53
DSS Keys ............................................................................................................................................................... 55
Account Management .................................................................................................................................... 66
Dial Plan ................................................................................................................................................................ 68
Emergency Number ......................................................................................................................................... 74
Live Dialpad ......................................................................................................................................................... 75
Hotline ................................................................................................................................................................... 75
Basic Call Features ........................................................................ 77
Placing Calls ............................................................................................................................................................ 78
Answering Calls ...................................................................................................................................................... 80
Ending Calls ............................................................................................................................................................. 81
Redialing Numbers ............................................................................................................................................... 81
Recent Call In Dialing .......................................................................................................................................... 81
Auto Answer ............................................................................................................................................................ 82
Auto Redial .............................................................................................................................................................. 83
Call Completion ..................................................................................................................................................... 84
ReCall ......................................................................................................................................................................... 85
Call Mute .................................................................................................................................................................. 85
Muting a Call ...................................................................................................................................................... 86
Muting While Dialing ...................................................................................................................................... 86
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Table of Contents
Call Hold/Resume ................................................................................................................................................. 87
Do Not Disturb (DND) ......................................................................................................................................... 88
Call Forward ............................................................................................................................................................ 92
Static Forwarding .............................................................................................................................................. 92
Dynamic Forwarding ....................................................................................................................................... 98
Call Transfer............................................................................................................................................................. 98
Blind Transfer ...................................................................................................................................................... 99
Semi-attended Transfer................................................................................................................................ 101
Attended Transfer ........................................................................................................................................... 102
Call Waiting ........................................................................................................................................................... 102
Conference ............................................................................................................................................................ 103
Local Conference ............................................................................................................................................ 103
Network Conference...................................................................................................................................... 104
Call Park/Retrieve ................................................................................................................................................ 106
FAC Mode .......................................................................................................................................................... 107
Transfer Mode .................................................................................................................................................. 109
Call Pickup ............................................................................................................................................................. 111
Directed Call Pickup ....................................................................................................................................... 111
Group Call Pickup ........................................................................................................................................... 113
Anonymous Call .................................................................................................................................................. 115
Anonymous Call Rejection .............................................................................................................................. 116
Advanced Phone Features ......................................................... 117
Busy Lamp Field (BLF) ........................................................................................................................................ 117
Configuring the BLF Feature on the IP Phone ..................................................................................... 117
Using BLF Feature on the IP Phone ......................................................................................................... 122
BLF List .................................................................................................................................................................... 124
Call Recording ...................................................................................................................................................... 126
Configuring a Record Key ........................................................................................................................... 126
Configuring a URL Record Key .................................................................................................................. 127
Recording a Call .............................................................................................................................................. 127
Hot Desking .......................................................................................................................................................... 128
Intercom ................................................................................................................................................................. 129
Configuring the Intercom Feature on the IP Phone.......................................................................... 129
Using Intercom ................................................................................................................................................ 131
Multicast Paging .................................................................................................................................................. 132
Sending RTP Stream ...................................................................................................................................... 133
Receiving RTP Stream ................................................................................................................................... 135
Using Multicast Paging ................................................................................................................................. 137
Music on Hold (MoH) ........................................................................................................................................ 138
Automatic Call Distribution (ACD) ............................................................................................................... 139
Shared Call Appearance (SCA) ....................................................................................................................... 141
Configuring SCA Feature on the IP Phone ........................................................................................... 141
Using SCA Feature on the IP Phone ........................................................................................................ 148
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User Guide for SIP-T42S IP Phone
Bridged Line Appearance (BLA) ..................................................................................................................... 154
Configuring BLA Feature on the IP Phone ............................................................................................ 155
Using BLA Feature on the IP Phone......................................................................................................... 157
Messages ................................................................................................................................................................ 159
Short Message Service (SMS)..................................................................................................................... 159
Voice Mail .......................................................................................................................................................... 161
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
xiv

Overview

This chapter provides the overview of the SIP-T42S 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.
Overview

Hardware Component Instructions

The main hardware components of the SIP-T42S IP phone are the LCD screen and the keypad.
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User Guide for the SIP-T42S IP Phone
Item
Description
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
Power Indicator LED
Indicates call status, message status and phone’s system status.
• Receives an incoming call—Fast-flashing
• Receives a voice mail or text message—Slow-flashing
Line Keys
Use these keys to activate up to twelve accounts and assign various features.
(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.
Speakerphone Key
Toggles and indicates the hands-free (speakerphone) mode.
Volume Key
Adjusts the volume of the handset, headset, speaker or ringer.
Keypad
Provides the digits, letters, and special characters in context-sensitive applications.
Scroll through the displayed information.
Confirms actions or answers incoming calls.
Cancels actions or rejects incoming calls.
Soft Keys
Label automatically to identity their context-sensitive features.
Speaker
Provides hands-free (speakerphone) audio output.
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
.
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
Hardware component instructions of the SIP-T42S IP phone are:
2
Item
Description
phone disconnects from the line.

Icon Instructions

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
Icons
Description
The private line registers successfully
The shared/bridged line registers successfully

Feature Status Icons

Icons appearing on the status bar are described in the following table:
Overview

Line Key Icons

Icon indicator (associated with line)
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User Guide for the SIP-T42S IP Phone
Icons
Description
Registering
Register failed
DND is enabled on this line
Call forward is enabled on this line
Icon
Description
The ACD state is available
and x
The ACD state is unavailable
The ACD state is Wrap up
Log out of the ACD system
Icon
Description
Recording box is full
A call cannot be recorded
Recording starts successfully
Recording cannot be started
Recording cannot be stopped
Icon indicator (associated with ACD)

Other Icons

Icon indicator (associated with call recording)
4
Icon indicator (associated with call history)
Icon
Description
Received Calls
Placed Calls
Missed Calls
Forwarded Calls
Icon
Description
The contact icon
LED Status
Description
Solid red
The phone is initializing.
Fast-flashing red (300ms)
The phone is ringing.
Slow-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.
LED Status
Description
Solid green
The line is seized. The line is in conversation.
Fast-flashing green
The line receives an incoming call.
Slow-flashing green
The call is placed on hold.
Off
The line is inactive.
Icon indicator (associated with contact)
Overview

LED Instructions

Power Indicator LED
Line key LED
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User Guide for the SIP-T42S IP Phone
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).
Slow-flashing red (1s)
The call is parked against the monitored user’s phone
number.
Off
The monitored user does not exist.
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.
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.
Slow-flashing green (for local SCA phone) Slow-flashing red (for monitoring SCA phone)
The shared line conversation is placed on public hold. Slow-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
Line key LED (configured as a BLF key or BLF List key)
Line key LED (used as a page switch key)
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.
6
Overview
LED Status
Description
Solid red (for monitoring SCA phone)
participating in this call place the shared line conversation on hold.
LED Status
Description
Off
The bridged line is idle.
Fast-flashing green
The bridged line receives an incoming call.
Solid green (for local BLA phone) Solid red (for monitoring BLA phone)
The bridged line is in conversation. The bridged line is dialing. The bridged line is seized.
Slow-flashing green (for local BLA phone) Slow-flashing red (for monitoring BLA phone)
The bridged line conversation is placed on hold.
The above introduces the default LED status. The statuses of the power indicator LED and BLF key LED are configurable via web user interface. You can also customize the BLF key LED status and BLF key behavior. For more information, contact your system administrator.
Line key LED (associated with a bridged line)
The local BLA phone indicates the phone is involved in a BLA call, while the monitoring BLA phone indicates the phone is not involved in the BLA call.
Note

User Interfaces

Two ways to customize configurations of your SIP-T42S IP phone:
The user interface on the IP phone.
The user interface in a web browser on your PC.
The hardware components keypad and LCD screen constitute the phone user interface, which allows the user to execute all call operation tasks and basic configuration changes directly on the phone. In addition, you can use the web user interface to access all configuration settings. 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.

Phone User Interface

You can customize your phone by pressing the Menu soft key to access the phone user interface. The Advanced Settings option is only accessible to the administrator, and the default administrator password is admin (case-sensitive). For more information on customizing your
7
User Guide for the SIP-T42S IP Phone
Options
Phone User Interface

Web User Interface

Status
--IPv4
--MAC Address
--Firmware
--Network
--Phone
--Accounts
Basic Phone Settings
--Power Saving
x
--Backlight
--Language
--Time & Date
--Administrator Password
--Key As Send
--Phone Lock
--Audio Settings
--Ring Tones
--Key Tone
--Contact Management
The access to the Advanced settings of the Account or Network via web user interface may be blocked by the web browser (e.g., Chrome, Firebox) if you have installed “Adblock Plus plugin”.
For a better understanding of the menu structure, please refer to Appendix B – Menu Structure on page 171.
phone with the available options from the phone user interface, refer to Customizing Your
Phone on page 23.
Note
Web User Interface
In addition to the phone user interface, you can also customize your phone via web user interface. In order to access the web user interface, you need to know the IP address of your new phone. To obtain the IP address, press the OK key on the phone when the phone is idle. Enter the IP address (e.g., http://192.168.0.10 or 192.168.0.10 for IPv4; http://[2005:1:1:1:215:65ff:fe64:6e0a] or [2005:1:1:1:215:65ff:fe64:6e0a] for IPv6) in the address bar of a web browser on your PC. The default administrator user name and password are both
admin (case-sensitive).
Note
The options you can use to customize the IP phone via phone user interface and/or via web user interface are listed in the following table:
8
Overview
Options
Phone User Interface
Web User Interface
--Directory
x
--Local Directory
--Blacklist
--Remote Phone Book
x
--Call History Management
--Search Source List in Dialing
x
--Logo Customization
x
--Headset Use
--DSS Keys
--Account Registration
--Dial Plan
x
--Emergency Number
x
--Live Dialpad
x
--Hotline
Basic Call Features
--Recent Call In Dialing
x
--Auto Answer
--Auto Redial
--Call Completion
--ReCall
--Do Not Disturb (DND)
--Call Forward
--Call Transfer
--Call Waiting
--Conference
x
--Call Park
--Call Pickup
--Anonymous Call
--Anonymous Call Rejection
Advanced Phone Features
--Busy Lamp Field (BLF)
--BLF List
x
--Call Recording
--Hot Desking
--Intercom
--Multicast Paging
x
--Music on Hold
x
--Automatic Call Distribution (ACD)
x
--Shared Call Appearance (SCA)
x
--Bridged Line Appearance (BLA)
x
--Messages
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User Guide for the SIP-T42S IP Phone
Options
Phone User Interface
Web User Interface
SIP Account
--User Options
--Activation
--Label
--Display Name
--Register Name
--User Name
--Password
--Server Options
--SIP Server 1/2
--Register Port
x
--Outbound Status
--Outbound Proxy1/2
--Fallback Interval
--NAT Status
Name
Contents
Where found
Language
Quick Start Guide
Basic call features and phone customizations
In the package
English
On the website
English/Chinese
User Guide
Phone/Web user interface settings Basic call features and advanced phone features
On the website
English/Chinese
The table above lists most of the feature options. Please refer to the relevant sections for more information.
Note

Documentations

The following table shows documentations available for the SIP-T42S IP phone.
10

Getting Started

This chapter provides the following basic installation instructions and information for obtaining the best performance with the SIP-T42S IP phone. Topics include:
Packaging Contents
Phone Installation
Phone Initialization
Phone Status
Basic Network Settings
Registration
Idle Screen
Entering Data and Editing Fields
Getting Started
If you require additional information or assistance with your new phone, contact your system administrator.

Packaging Contents

The following components are included in your SIP-T42S IP phone package:
SIP-T42S IP Phone
11
User Guide for the SIP-T42S IP Phone
Phone Stand
Handset & Handset Cord
Ethernet Cable (2m CAT5E UTP cable)
Quick Start Guide
Check the list before installation. If you find anything missing, contact your system administrator.

Optional Accessories

The following items are optional accessories for your SIP-T42S IP phone. You need to purchase them separately if required.
12
Power Adapter (5.5mm DC plug)
We recommend that you use the accessories provided or approved by Yealink. The use of unapproved third-party accessories may result in reduced performance.
Wall Mount Bracket
Getting Started
Note
Headset YHS32/YHS33
Wireless Headset Adapter EHS36

Phone Installation

If your phone is already installed, proceed to Phone Initialization on page 16.
This section introduces how to install the phone:
1) Attach the stand or the optional wall mount bracket
13
User Guide for the SIP-T42S IP Phone
EHS36 is used for connecting the phone and a compatible wireless headset. For more information on how to use EHS36, refer to
Yealink EHS36 User Guide
.
The hookswitch tab has a lip which allows the handset to stay on-hook when the IP phone is mounted vertically.
For more information on how to attach the wall mount bracket, refer to
Yealink Wall Mount
Quick Installation Guide for Yealink IP Phones
.
2) Connect the handset and optional headset
3) Connect the network and power
1) Attach the stand or the optional wall mount bracket
Desk Mount Method
Wall Mount Method (Optional)
Note
2) Connect the handset and optional headset
Note
14
Getting Started
The IP phone should be used with Yealink original power adapter (5V/1.2A) only. The use of the third-party power adapter may cause the damage to the phone.
3) Connect the network and power
You have two options for power and network connections. Your system administrator will advise you which one to use.
AC power (Optional)
Power over Ethernet (PoE)
AC Power (Optional)
To connect the AC power:
1. Connect the DC plug on the power adapter to the DC5V port on the phone and connect the
other end of the power adapter into an electrical power outlet.
2. Connect the included or a standard Ethernet cable between the Internet port on the phone
and the one on the wall or switch/hub device port.
Note
Power over Ethernet
With the included or a regular Ethernet cable, the SIP-T42S IP phone can be powered from a PoE-compliant switch or hub.
15
User Guide for the SIP-T42S IP Phone
If in-line power is provided, you don’t need to connect the phone to the power adapter. Make sure the switch/hub is PoE-compliant.
The phone can also share the network with another network device such as a PC (personal computer). This is an optional connection. We recommend that you use the Ethernet cable provided by Yealink. The PC port may be disabled, contact your system administrator for more information.
Important! Do not remove power from the phone while it is updating firmware and configurations.
If your network does not use DHCP, proceed to Basic Network Settings on page 18.
To connect the PoE:
1. Connect the Ethernet cable between the Internet port on the phone and an available port
on the in-line power switch/hub.
Note

Phone Initialization

After your phone is powered on, the system boots up and performs the following steps:
Automatic Phone Initialization
The phone finishes the initialization by loading the saved configuration. The LCD screen displays "Welcome Initializing…please wait" during this process.
DHCP (Dynamic Host Configuration Protocol)
The phone attempts to contact a DHCP server in your network to obtain valid IPv4 network settings (e.g., IP address, subnet mask, default gateway address and DNS address) by default.
Note
16

Phone Status

You can view phone status via phone user interface or web user interface.
Available information of phone status includes:
Network status (IPv4 status or IPv6 status, IP mode and MAC address).
- IPv4 uses a 32-bit address.
- IPv6 is an updated version of the current Internet Protocol to meet the increased
demands for unique IP addresses, using a 128-bit address.
Phone status (product name, hardware version, firmware version, product ID, MAC address
and device certificate status).
Account status (register status of SIP accounts).
To view the phone status via phone user interface:
1. Press , or press Menu->Status.
Getting Started
2. Press or to scroll through the list and view the specific information.
To view the phone status via web user interface:
1. Open a web browser on your computer.
2. Enter the IP address in the browser’s address bar, and then press the Enter key.
(e.g., “http://192.168.0.10” for IPv4 or “http://[2005:1:1:1:215:65ff:fe64:6e0a]” for IPv6).
3. Enter the user name (admin) and password (admin) in the login page.
4. Click Login to login.
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User Guide for the SIP-T42S IP Phone
If IP mode of the phone is configured as IPv4 & IPv6, you can enter either of them in the browser’s address bar to view the phone status. IPv6 is not available on all servers. Contact your system administrator for more information.
The phone status is displayed on the first page of the web user interface.
Note

Basic Network Settings

If your phone cannot contact a DHCP server for any reason, you need to configure network settings manually. The IP phone can support either or both IPv4 and IPv6 addresses.
To configure the IP address mode via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin)
->Network->WAN Port.
2. Press or , or the Switch soft key to select IPv4, IPv6 or IPv4 & IPv6 from the IP
Mode field.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
You can configure a static IPv4 address for the IP phone. Before configuring it, make sure that the IP mode is configured as IPv4 or IPv4 & IPv6.
To configure a static IPv4 address via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin)
->Network->WAN Port.
2. Press to select IPv4 and then press the Enter soft key.
18
Getting Started
The wrong network settings may result in inaccessibility of your phone and may also have an impact on your network performance. For more information on these parameters, contact your system administrator.
3. Press to select Static IPv4 Client and then press the Enter soft key.
4. Enter the desired value in the IP Address, Subnet Mask, Default Gateway, Pri.DNS and
Sec.DNS field respectively.
5. Press the Save soft key to accept the change or the Back soft key to cancel.
You can configure a static IPv6 address for the IP phone. Before configuring it, make sure that the IP mode is configured as IPv6 or IPv4 & IPv6.
To configure a static IPv6 address via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin)
->Network->WAN Port.
2. Press to select IPv6 and then press the Enter soft key.
3. Press to select Static IPv6 Client and then press the Enter soft key.
4. Enter the desired value in the IP Address, IPv6 IP Prefix, Default Gateway, Pri.DNS and
Sec.DNS field respectively.
5. Press the Save soft key to accept the change or the Back soft key to cancel.
Note

Registration

Generally, your phone will be deployed with multiple other phones. In this case, your system administrator will configure the phone parameters beforehand, so that after you start up your phone, the phone will be registered and ready for use. The SIP-T42S IP phone supports up to 12 accounts. If your phone is not registered, you may have to register it. For more information on how to register your phone, refer to Account Management on page 66.
19
User Guide for the SIP-T42S IP Phone
Input Mode
Keypad
2aB
abc
Abc
(initials in
capitals)
ABC
123
1 1
2abcABC
abc2джеаб
âãç
abc2джеаб
âãç
ABC2ÄÆÅ
АБВГЗ
2
3defDEF
def3ийклр
def3ийклр
DEF3ИЙКЛР
3
4ghiGHI
ghi4ìíîï
ghi4ìíîï
GHI4ÌÍÎÏ
4 5jklJKL
jkl5£
jkl5£
JKL5£
5
6mnoMNO
mno6öøòó
ôõñ
mno6öøòó
ôõñ
MNO6ÖØ
ТУФХС
6
You can configure the phone not to display the label of default account, contact your system administrator for more information.

Idle Screen

If the phone has successfully started up, the idle LCD screen will be displayed as below.
The idle screen displays the label of the default account, time and date, and four soft keys.
Note

Entering Data and Editing Fields

You can enter data and edit fields using the phone keypad.
Keypad on the phone provides different characters (or numbers) when using the 2aB, abc, Abc, ABC or 123 input mode. You can change the following input modes to enter data and edit fields on your phone. When your phone keypad matches the input mode, you can press the keypad repeatedly to view the character (or number) options and stop to select. When the character (or number) you want to enter displays in the field, wait for one second, and enter the next character (or number).
The following table lists the input modes and character (or number) options for the keypad:
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