Yealink SIP-T23P User manual

Copyright © 2016 YEALINK NETWORK TECHNOLOGY CO., LTD
Copyright © 2016 Yealink 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
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damages arising from use of an illegally modified or altered publication.
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 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 Network Technology
CO., LTD. shall not be liable for errors contained herein nor for incidental or consequential
damages in connection with the furnishing, performance, or use of this guide.
Hereby, Yealink 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.
This device is marked with the CE mark in compliance with EC Directives 2006/95/EC and 2004/108/EC.
This device is compliant with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired

operation.
Note: This device is tested and complies with the limits for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and receiver.
3. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
4. Consult the dealer or an experience radio/TV technician for help.
To avoid the potential effects on the environment and human health as a result of the
presence of hazardous substances in electrical and electronic equipment, end users of
electrical and electronic equipment should understand the meaning of the crossed-out
wheeled bin symbol. Do not dispose of WEEE as unsorted municipal waste and have to
collect such WEEE separately.
We are striving to improve our documentation quality and we appreciate your feedback. Email
your opinions and comments to [email protected].

Yealink SIP-T23P/G IP phone firmware contains third-party software under the GNU General Public License
(GPL). Yealink uses software under the specific terms of the GPL. Please refer to the GPL for the exact terms
and conditions of the license.
The original GPL license, source code of components licensed under GPL and used in Yealink products can
be downloaded online:
http://www.yealink.com/GPLOpenSource.aspx?BaseInfoCateId=293&NewsCateId=293&CateId=293.

About This Guide
v
Thank you for choosing the SIP-T23P/SIP-T23G (hereinafter referred to as SIP-T23P/G) IP
phone, exquisitely designed to provide business telephony features, such as Call Hold,
Call Transfer, Busy Lamp Field, Multicast Paging and Conference over an IP network. The
difference between the SIP-T23P and SIP-T23G IP phones is that only SIP-T23G supports
Gigabit network interface.
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-T23P/G IP phone.
Note
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
This section describes the changes to this guide for each release and guide version.
The following section is new:
Entering Data and Editing Fields on page 30
Major updates have occurred to the following sections:
Icon Instructions on page 13
Network Directory and Network Call Log features are hidden for IP phones in neutral
firmware, which are designed for the BroadWorks environment. Please contact your
system administrator for more information.

User Guide for the SIP-T23P/G IP Phone
vi
Optional Accessories on page 22
Phone Installation on page 23
Troubleshooting on page 165
Appendix A - Time Zones on page 177
The following sections are new:
Shared Call Appearance (SCA)on page 139
Bridged Line Appearance (BLA) on page 152
Major updates have occurred to the following sections:
Icon Instructions on page 13
LED Instructions on page 14
Web User Interface on page 17
Call Forward on page 102
The following sections are new:
Optional Accessories on page 22
Short Message Service (SMS) on page 158
Major updates have occurred to the following sections:
Web User Interface on page 17
ReCall on page 96
Time & Date on page 37
Anonymous Call Rejection on page 120
Intercom on page 128
Multicast Paging on page 131

Table of Contents
vii
About This Guide...................................................................... v
In This Guide ......................................................................................................................... v
Summary of Changes.......................................................................................................... v
Changes for Release 80, Guide Version 80.95 .............................................................. v
Changes for Release 80, Guide Version 80.60 ............................................................. vi
Changes for Release 80, Guide Version 80.20 ............................................................. vi
Table of Contents.....................................................................vii
Overview ................................................................................ 11
Hardware Component Instructions.................................................................................. 11
Icon Instructions.................................................................................................................. 13
LED Instructions................................................................................................................... 14
User Interfaces ................................................................................................................... 16
Phone User Interface...................................................................................................... 16
Web User Interface......................................................................................................... 17
Documentations ................................................................................................................. 19
Getting Started....................................................................... 21
Packaging Contents........................................................................................................... 21
Optional Accessories ..................................................................................................... 22
Phone Installation............................................................................................................... 23
Phone Initialization............................................................................................................. 26
Phone Status ....................................................................................................................... 26
Basic Network Settings...................................................................................................... 28
Registration ......................................................................................................................... 30
Idle Screen.......................................................................................................................... 30
Entering Data and Editing Fields ..................................................................................... 30
Customizing Your Phone......................................................... 35
General Settings ................................................................................................................ 35
Backlight .......................................................................................................................... 35
Contrast............................................................................................................................ 36
Language......................................................................................................................... 36
Time & Date ..................................................................................................................... 37
Administrator Password ................................................................................................. 39

User Guide for the SIP-T23P/G IP Phone
viii
Key as Send..................................................................................................................... 40
Phone Lock....................................................................................................................... 40
Audio Settings .................................................................................................................... 43
Volume ............................................................................................................................. 43
Ring Tones........................................................................................................................ 44
Contact Management....................................................................................................... 46
Directory........................................................................................................................... 46
Local Directory ................................................................................................................ 47
Blacklist ............................................................................................................................ 57
Remote Phone Book........................................................................................................ 59
Call History Management ................................................................................................ 61
System Customizations...................................................................................................... 63
Logo Customization ........................................................................................................ 63
Headset Use.................................................................................................................... 64
DSS Keys .......................................................................................................................... 66
Account Management ................................................................................................... 75
Dial Plan........................................................................................................................... 77
Emergency Number........................................................................................................ 83
Live Dialpad .................................................................................................................... 84
Hotline.............................................................................................................................. 85
Basic Call Features................................................................. 87
Placing Calls ....................................................................................................................... 88
Answering Calls ................................................................................................................. 90
Ending Calls........................................................................................................................ 91
Redialing Numbers ............................................................................................................ 91
Recent Call In Dialing ........................................................................................................ 91
Auto Answer ....................................................................................................................... 93
Auto Redial.......................................................................................................................... 93
Call Completion ................................................................................................................. 95
ReCall .................................................................................................................................. 96
Call Mute............................................................................................................................. 96
Call Hold/Resume............................................................................................................... 97
Do Not Disturb (DND) ........................................................................................................ 98
Call Forward ..................................................................................................................... 102
Call Transfer ...................................................................................................................... 109
Call Waiting ...................................................................................................................... 111
Conference ....................................................................................................................... 111
Local Conference.......................................................................................................... 111
Network Conference .................................................................................................... 113
Call Park ............................................................................................................................ 114
Call Pickup ........................................................................................................................ 115
Anonymous Call ............................................................................................................... 119
Anonymous Call Rejection .............................................................................................. 120

Table of Contents
ix
Advanced Phone Features....................................................121
Busy Lamp Field (BLF) ..................................................................................................... 121
BLF List ............................................................................................................................... 123
Call Recording .................................................................................................................. 125
Hot Desking ...................................................................................................................... 127
Intercom ............................................................................................................................ 128
Outgoing Intercom Calls.............................................................................................. 128
Incoming Intercom Calls .............................................................................................. 129
Using Intercom .............................................................................................................. 131
Multicast Paging............................................................................................................... 131
Sending RTP Stream ..................................................................................................... 131
Receiving RTP Stream................................................................................................... 134
Using Multicast Paging................................................................................................. 135
Music on Hold................................................................................................................... 137
Automatic Call Distribution (ACD).................................................................................. 137
Shared Call Appearance (SCA) .................................................................................... 139
Configuring SCA Feature on the IP Phone ................................................................. 140
Using SCA Feature on the IP Phone............................................................................ 146
Bridged Line Appearance (BLA).................................................................................... 152
Configuring BLA Feature on the IP Phone .................................................................. 153
Using BLA Feature on the IP Phone............................................................................. 156
Messages.......................................................................................................................... 158
Short Message Service (SMS) .................................................................................... 158
Voice Mail ...................................................................................................................... 161
Message Waiting Indicator (MWI) ............................................................................. 162
Troubleshooting .....................................................................165
General Issues.................................................................................................................. 165
Display Issues ................................................................................................................... 165
Password Issues................................................................................................................ 166
Call Issues ......................................................................................................................... 167
Headset & Handset Issues.............................................................................................. 167
Audio Issues...................................................................................................................... 167
Log Issues.......................................................................................................................... 169
Reboot & Upgrade & Reset Issues.................................................................................. 172
Regulatory Notices ................................................................175
Service Agreements ........................................................................................................ 175
Limitations of Liability ...................................................................................................... 175
Safety Instructions ............................................................................................................ 175

User Guide for the SIP-T23P/G IP Phone
x
Appendix A - Time Zones......................................................177
Index ......................................................................................179