Yealink SIP-T20P User Manual
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.
Copyright © 2013 YEALINK NETWORK TECHNOLOGY
Copyright © 2013 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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its consent to downloading and printing copies of the content provided in this file only for private
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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.
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.
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.
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.
We are striving to improve our documentation quality and we appreciate your feedback. Email
your opinions and comments to DocsFeedback@yealink.com.
Yealink SIP-T20P 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
Shared Line, Busy Lamp Field List, Network Directory and Network Call Log features are
hidden for IP phones in neutral version, which are designed for BroadWorks environment.
Please contact your system administrator for more information.
Thank you for choosing the SIP-T20P 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.
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-T20P IP phone.
If this is your first time using the SIP-T20P IP phone, we recommend that you first refer to
the
Quick Installation Guide
and
Quick Reference Guide
, available online:
http://www.yealink.com/DocumentDownload.aspx?CateId=142&flag=142.
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.
Major updates have occurred to the following:
LED Instructions on page 4
Ring Tones on page 24
v
User Guide for the SIP-T20P IP Phone
Anonymous Call on page 75
Troubleshooting on page 97
Major updates have occurred to the following:
Appendix A - Time Zones on page 111
Major updates have occurred to the following sections:
Basic Network Settings on page 14
Keypad Lock on page 21
Contact Management on page 26
DSS Keys on page 37
Major updates have occurred to the following:
Keypad Lock on page 21
Volume on page 23
Ring Tones on page 24
Call Completion on page 59
DSS Keys on page 37
Do Not Disturb (DND) on page 61
Call Forward on page 64
Busy Lamp Field (BLF) on page 79
vi
Table of Contents
About This Guide ...................................................................... v
In This Guide ......................................................................................................................... v
Summary of Changes .......................................................................................................... v
Changes for Release 71, Guide Version 71.140 ............................................................ v
Changes for Release 71, Guide Version 71.125 ........................................................... vi
Changes for Release 71, Guide Version 71.110 ........................................................... vi
Changes for Release 70, Guide Version 70 .................................................................. vi
Table of Contents ..................................................................... vii
Overview .................................................................................. 1
Hardware Component Instructions .................................................................................... 1
Icon Instructions .................................................................................................................... 3
LED Instructions ..................................................................................................................... 4
User Interfaces ..................................................................................................................... 4
Phone User Interface ........................................................................................................ 4
Web User Interface ........................................................................................................... 5
Documentations ................................................................................................................... 7
Getting Started ......................................................................... 9
Packaging Contents ............................................................................................................. 9
Phone Installation ............................................................................................................... 11
Phone Initialization ............................................................................................................. 13
Phone Status ....................................................................................................................... 13
Basic Network Settings ...................................................................................................... 14
Registration ......................................................................................................................... 16
Idle Screen .......................................................................................................................... 16
Customizing Your Phone ......................................................... 17
General Settings ................................................................................................................ 17
Language ......................................................................................................................... 17
Time & Date ..................................................................................................................... 18
Administrator Password ................................................................................................. 20
Key as Send ..................................................................................................................... 20
Keypad Lock .................................................................................................................... 21
Audio Settings .................................................................................................................... 23
vii
User Guide for the SIP-T20P IP Phone
Volume ............................................................................................................................. 23
Ring Tones ........................................................................................................................ 24
Contact Management ....................................................................................................... 26
Local Directory ................................................................................................................ 26
Blacklist ............................................................................................................................ 32
Call History Management ................................................................................................ 33
System Customizations ...................................................................................................... 34
Logo Customization ........................................................................................................ 34
Headset Use .................................................................................................................... 35
DSS Keys .......................................................................................................................... 37
Account Management ................................................................................................... 43
Dial Plan ........................................................................................................................... 44
Emergency Number ........................................................................................................ 50
Live Dialpad .................................................................................................................... 51
Hotline .............................................................................................................................. 52
Basic Call Features ................................................................. 53
Placing Calls ....................................................................................................................... 53
Answering Calls ................................................................................................................. 55
Ending Calls ........................................................................................................................ 56
Redialing Numbers ............................................................................................................ 57
Auto Answer ....................................................................................................................... 57
Auto Redial .......................................................................................................................... 58
Call Completion ................................................................................................................. 59
Call Return ........................................................................................................................... 60
Call Mute ............................................................................................................................. 60
Call Hold/Resume ............................................................................................................... 60
Do Not Disturb (DND) ........................................................................................................ 61
Call Forward ....................................................................................................................... 64
Call Transfer ........................................................................................................................ 69
Call Waiting ........................................................................................................................ 70
Conference ......................................................................................................................... 70
Local Conference ............................................................................................................ 71
Network Conference ...................................................................................................... 71
Call Park .............................................................................................................................. 73
Call Pickup .......................................................................................................................... 74
Anonymous Call ................................................................................................................. 75
Anonymous Call Rejection ................................................................................................ 76
Advanced Phone Features ..................................................... 79
Busy Lamp Field (BLF) ....................................................................................................... 79
Call Recording .................................................................................................................... 80
Hot Desking ........................................................................................................................ 82
viii
Table of Contents
Intercom .............................................................................................................................. 84
Outgoing Intercom Calls ................................................................................................ 84
Incoming Intercom Calls ................................................................................................ 84
Multicast Paging ................................................................................................................. 86
Sending RTP Stream ....................................................................................................... 86
Receiving RTP Stream ..................................................................................................... 88
Music on Hold ..................................................................................................................... 89
Automatic Call Distribution (ACD).................................................................................... 90
Message ............................................................................................................................. 92
Voice Mail ........................................................................................................................ 92
Message Waiting Indicator (MWI) ............................................................................... 93
Troubleshooting ...................................................................... 97
Regulatory Notices ................................................................107
Service Agreements ........................................................................................................ 107
Limitations of Liability ...................................................................................................... 107
Safety Instructions ............................................................................................................ 107
Appendix A - Time Zones ......................................................111
Index ......................................................................................113
ix
Overview
This chapter provides the overview of the SIP-T20P IP phone. Topics include:
Hardware Component Instructions
Icon Instructions
LED Instructions
User Interfaces
Documentations
If you require additional information or assistance with your new phone, contact your
system administrator.
The main hardware components of the SIP-T20P IP phone are the LCD screen and the
keypad.
1
User Guide for the SIP-T20P IP Phone
Item
Description
①
LCD Screen
Shows information about calls, messages, time, date
and other relevant data.
• Call information — Caller ID, call duration
• Icons (for example, )
• Missed call text or second incoming caller information
• Prompt text (for example, ―New Voice Mail‖)
• Time and date
②
Power Indicator LED
Indicates phone power status and phone status.
③
Line Keys
Use these keys to activate up to two accounts and
assign various features.
④
MESSAGE Key
Indicates and accesses voice mails.
⑤
HEADSET Key
Toggles the headset mode.
⑥
TRAN Key
Transfers a call to another party.
⑦
RD Key
Redials a previously dialed number.
⑧
Speakerphone Key
Toggles the hands-free speakerphone mode.
⑨
Volume Key
Adjusts the volume of the handset, headset, speaker,
and ringer.
⑩
Keypad
Provides the digits, letters and special characters in
context-sensitive applications.
⑪
Scroll through the displayed information.
Confirms actions or answers an incoming call.
Cancels actions, rejects incoming calls, mutes or
un-mutes a call.
⑫
MENU Key
Enters the main menu of phone or returns to the previous
interface.
HOLD Key
Places a call on hold or resumes a held call.
CONF Key
Conducts a conference call with multiple other parties.
Directory Key
Enters the directory interface or switches the input
mode.
Hardware component instructions of the SIP-T20P IP phone are:
2
Icons appearing on the LCD screen are described in the following table:
Icon
Description
Network is unavailable
Hands-free speakerphone mode
Handset mode
Headset mode
123
Numeric input mode
abc
Multi-lingual lowercase letters input mode
ABC
Multi-lingual uppercase letters input mode
2aB
Alphanumeric input mode
Voice Mail
Auto Answer
Do Not Disturb
Call Forward/Forwarded Calls
Call Mute
Keypad Lock
Received Calls
Placed Calls
Missed Calls
Overview
3
User Guide for the SIP-T20P IP Phone
LED Status
Description
Solid green
The phone is initializing.
Fast Flashing green
The phone is ringing.
Off
The phone is powered off.
The phone is idle when powered on
LED Status
Description
Solid green
The line is in conversation.
The line is seized.
Fast flashing green
The line receives an incoming call.
Slow flashing green
The call is placed on hold.
Off
The line is inactive.
LED Status
Description
Solid green
The monitored user is idle.
Fast flashing green
The monitored user receives an incoming call.
Slow flashing green
The monitored user is busy.
Off
The monitored user does not exist.
Power Indicator LED
Line key LED
Line key LED (configured as BLF key)
Two ways to customize configurations of your SIP-T20P 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, each phone has a web user interface to
access all configuration settings. In many cases, either the phone user interface and/or
the web user interface interchangeably. However, in some cases, it is only possible to
use one or the other interface to operate the phone and change settings.
You can customize your phone by pressing the MENU key to access the phone user
4
Overview
Options
Phone User Interface
Web User Interface
Status
√
√
--IP Address
--MAC
--Firmware
--Network
--Phone
--Accounts
Basic Phone Settings
√
--Language
√
--Time & Date
√
--Administrator Password
√
--Key as Send
√
--Keypad Lock
√
--Ring Tones
√
--Contact Management
--Local Directory
√
--Blacklist
√
--Call History Management
√
--Logo Customization
--DSS Keys
√
--Account Registration
√
--Dial Plan
--Emergency Number
--Live Dialpad
--Hotline
√
interface. The Advanced option is only accessible to the administrator, and the default
administrator password is ―admin‖ (case-sensitive). For more information on
customizing your phone with the available options from the phone user interface, refer
to Customizing Your Phone on page 17.
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. Enter the IP
address (e.g., http://192.168.0.10 or 192.168.0.10) in the address bar of web browser on
your PC. The default administrator user name and password are both ―admin‖
(case-sensitive).
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:
5
User Guide for the SIP-T20P IP Phone
Options
Phone User Interface
Web User Interface
Basic Call Features
√
--Auto Answer
√
--Auto Redial
√
--Call Completion
√
--Call Return
√
-- Do Not Disturb (DND)
√
--Call Forward
√
--Call Transfer
√
--Call Waiting
√
--Conference
--Call Park
√
--Call Pickup
√
--Anonymous Call
√
--Anonymous Call Rejection
√
Advanced Phone Features
√
-- Busy Lamp Field (BLF)
√
--Call Recording
√
--Hot Desking
√
--Intercom
√
--Multicast Paging
--Music on Hold
-- Automatic Call Distribution (ACD)
√
--Messages
√
SIP Account
√
--User Options
--Activation
√
--Label
√
--Display Name
√
--Register Name
√
--User Name
√
--Password
√
--SIP Server1/2
√
--Server Option
--Registrar Port
--Outbound Status
√
--Outbound Proxy
√
--NAT Traversal
--STUN Status
√
--STUN Server
√
The table above lists most of the feature options. Please refer to the relevant sections for
more information.
Note
6
Name
Contents
Where found
Format/Language
Quick Installation
Guide
Basic setup of the
phone
In the package
PDF/English
Quick Reference
Guide
Basic call features
and phone
customization
In the package
PDF/English
User Guide
Phone or web user
interface settings
Basic call features
and advanced phone
features
CD attached in
the package
PDF/English
Note
You can also download the latest documentations online:
http://www.yealink.com/DocumentDownload.aspx?CateId=142&flag=142.
Overview
The following table shows documentations available for the SIP-T20P IP phone.
7
User Guide for the SIP-T20P IP Phone
8
Getting Started
This chapter provides basic installation instructions and information for obtaining the
best performance with the SIP-T20P IP phone. Topics include:
Packaging Contents
Phone Installation
Phone Initialization
Phone Status
Basic Network Settings
Registration
Idle Screen
If you require additional information or assistance with your new phone, contact your
system administrator.
The following components are included in your SIP-T20P IP phone package:
SIP-T20P IP phone
9
User Guide SIP-T20P IP Phone
Phone Stand
Power Adapter
Handset & Handset Cord
Ethernet Cable
Quick Installation Guide & Quick Reference Guide
CD-ROM
10
Check this list before installation. If you find anything missing, contact your system
Getting Started
A headset is not included in the packaging contents. Contact your system administrator
for more information.
administrator.
If your phone is already installed, proceed to Phone Initialization on page 13.
This section introduces how to install the phone:
1) Attach the stand
2) Connect the handset and optional headset
3) Connect the network and power
1) Attach the Stand
Note
2) Connect the Handset and optional Headset
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
Power over Ethernet (PoE)
11
User Guide SIP-T20P IP Phone
If in-line power switch/hub 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). It is an optional connection.
Important! Do not unplug or remove power to the phone while it is updating firmware
and configurations.
AC Power
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.
Power over Ethernet
With the included or a regular Ethernet cable, the SIP-T20P IP phone can be powered
from a PoE-compliant switch or hub.
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
12
Note
If your network does not use DHCP, proceed to Basic Network Settings on page 14.
1. IP Address:
192.168.0.10
Getting Started
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 ―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 network
settings (e.g., IP address, subnet mask, default gateway address and DNS address) by
default.
You can view the system status of your phone via phone user interface or web user
interface.
Available information of phone status includes:
Network status (e.g., IPv4 status, IP mode, MAC address, LAN type, LAN IP and LAN
subnet).
Phone status (e.g., product name, hardware version, firmware version, product ID,
MAC address and device certificate status).
Account status (e.g., the register status of SIP accounts).
To view the phone status via phone user interface:
1. Press or press and then select Status.
2. Press or to scroll through the list and view the specific information.
To view the phone status via web user interface:
1. Open the web browser on your computer.
2. Enter the IP address in the browser’s address bar, and then press Enter.
13
User Guide SIP-T20P IP Phone
3. Enter the user name (admin) and password (admin) in the login page.
4. Click Confirm to login.
The phone status is displayed on the first page of the web user interface.
14
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 .
2. Select Settings->Advanced (password: admin) ->Network->WAN Port.
Getting Started
1. IP Address: 192.168.0.3
123
1. IP Mode:
◄ IPv4 & IPv6 ▶
1. IPv6: 2005:1:1:1::12
2aB
3. Press or to select IPv4, IPv6 or IPv4 & IPv6 from the IP Mode field.
4. Press to accept the change.
To configure a static IPv4 address via phone user interface:
1. Press .
2. Select Settings->Advanced (password: admin) ->Network->WAN
Port->IPv4->Static IP.
3. Enter the desired values in the IP Address, Subnet Mask, Default Gateway, Pri.DNS
and Sec.DNS fields respectively.
4. Press to accept the change.
To configure a static IPv6 address via phone user interface:
1. Press .
2. Select Settings->Advanced (password: admin) ->Network->WAN
Port->IPv6->Static IPv6.
3. Enter the desired values in the IPv6, IPv6 Prefix, IPv6 Gateway, IPv6 Pri.DNS and
IPv6 Sec.DNS fields respectively.
4. Press to accept the change.
If you are using an xDSL modem for IPv4 network connection, you can connect your
phone to the Internet via PPPoE mode. Set the WAN port as a PPPoE port. The PPPoE port
will perform a PPP negotiation to obtain the IP address. Contact your system
administrator for the PPPoE user name and password.
To configure PPPoE via phone user interface:
1. Press .
15
User Guide SIP-T20P IP Phone
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.
1234
17 Jan 09:20
1. PPPoE User:
2aB
2. Select Settings->Advanced (password: admin) ->Network->WAN
Port->IPv4->PPPoE.
3. Enter the user name and password in the corresponding fields.
4. Press to accept the change.
Note
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. 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 43.
If the phone has successfully started up, the idle screen will be shown as below:
The idle screen shows the label of current account, time and date.
16
Customizing Your Phone
Not all of the supported languages are available for selection. The available languages
depend on the language packs currently loaded to the IP phone. Please contact your
system administrator for more information on the available languages of your new
phone.
You can customize your SIP-T20P IP phone by personally configuring certain settings, for
example, language, time & date and ring tones. You can also personalize different ring
tones for different callers.
This chapter provides basic operating instructions for customizing your phone. Topics
include:
General Settings
Audio Settings
Contact Management
Call History Management
System Customizations
Note
If you require additional information or assistance with your new phone, contact your
system administrator.
The default language of the phone user interface is English. The phone will detect and
use the same language as which of your web browser for the web user interface. If the
language of your web browser is not supported by the phone, the web user interface
will use English. You can change the language for the phone user interface and the web
user interface respectively.
To change the language for the phone user interface:
1. Press .
2. Select Settings->Basic->Language.
17
User Guide SIP-T20P IP Phone
*1. English(English)
2. Français(French)
3. Press or to select the desired language.
4. Press to accept the change.
Text displayed on the LCD screen will change to the selected language.
To change the language for web user interface:
1. Click on Settings->Preference.
2. Select the desired language from the pull-down list of Language.
3. Click Confirm to accept the change.
Text displayed on the web user interface will change to the selected language.
The time and date are displayed on the LCD screen when the phone is idle. If the phone
cannot obtain the time and date from the Simple Network Time Protocol (SNTP) server,
you need to configure the time and date manually. For more information on the SNTP
server, contact your system administrator.
To configure the SNTP settings via phone user interface:
1. Press .
2. Select Settings->Basic->Time & Date->SNTP.
3. Press or to select the time zone that applies to your area from the Time
Zone field.
18
Please refer to Appendix A - Time Zones for the list of available time zones on the IP
phone.
1. Time Zone:
◄ *+8 China (Beijing) ▶
1. Date (Y-M-D):
13-05-18
1. Clock:
◄ *24 Hour ►
Note
Customizing Your Phone
The default time zone is ―+8 China (Beijing)‖.
4. Enter the domain names or IP addresses in the NTP Server 1 and NTP Server 2 fields
respectively.
5. Press or to select the desired value from the DST field.
6. Press to accept the change.
To configure the time and date manually via phone user interface:
1. Press .
2. Select Settings->Basic->Time & Date->Manual.
3. Enter the specific date in the Date field.
4. Enter the specific time in the Time field.
5. Press to accept the change.
The date and time displayed on the LCD screen will change accordingly.
To configure the time format via phone user interface:
1. Press .
2. Select Settings->Basic->Time & Date->Time & Date.
3. Press or to select the desired time format from the Clock field.
4. Press to accept the change.
Time and date is configurable via web user interface at the path Settings->Time & Date.
19
User Guide SIP-T20P IP Phone
Key as Send:
◄ * # ►
1. Current PWD:
abc
The Advanced option is only accessible to the administrator. The default administrator
password is ―admin‖. For security reasons, you should change the default administrator
password as soon as possible.
To change the administrator password via phone user interface:
1. Press .
2. Select Settings->Advanced (password: admin) ->Set Password.
3. Enter the old password in the Current PWD field.
4. Enter the new password in the New PWD field.
5. Enter the new password again in the Confirm PWD field.
6. Press to accept the change.
Administrator password is configurable via web user interface at the path
Security->Password.
You can set the ―#‖ or ―*‖ to act as the send key while dialing.
To configure key as send via phone user interface:
1. Press .
2. Select Features->Key as Send.
3. Press or to select # or * from the Key as Send field, or select Disable from
the Key as Send field to disable this feature.
4. Press to accept the change.
Key as send is configurable via web user interface at the path Features->General
Information.
20
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