Yealink SIP-T48G 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 © 2014 YEALINK NETWORK TECHNOLOGY CO., LTD.
Copyright © 2014 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
mechanical, photocopying, recording, or otherwise, for any purpose, without the express written
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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,
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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 installati on. 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-T48G 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&NewsCat eId=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 firmware, which are designed for BroadWorks
environment. Please contact your system administrator for more information.
Thank you for choosing the SIP-T48G 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, Call Recording, Multicast Paging and Conference over an IP
network. Newly developed industrial designs and user experience appears the
commerce, touch panel enabling switching between screens and application.
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-T48G IP phone.
If this is your first time using the SIP-T48G IP phone, we recommend that you first refer to
the
Quick Installation Guide
and
Quick Reference Guide
, available online:
http://www.yealink.com/SupportDownloadfiles_detail.aspx?CateId=1206&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 sections:
Documentations on page 7
ix
User Guide for the SIP-T48G IP Phone
Packaging Contents on page 9
x
Table of Contents
About This Guide .................................................................. ix
In This Guide.................................................................................................................... ix
Summary of Changes ..................................................................................................... ix
Changes for Release 72, Guide Version 72.2 ............................................................. ix
Table of Contents .................................................................. xi
Overview ..............................................................................1
Hardware Component Instructions ................................................................................. 1
Icon Instructions................................................................................................................ 2
LED Instructions ................................................................................................................ 4
User Interfaces ................................................................................................................. 5
Phone User Interface .................................................................................................... 5
Web User Interface ....................................................................................................... 5
Documentations ............................................................................................................... 7
Getting Started .....................................................................9
Packaging Contents ......................................................................................................... 9
Phone Installation........................................................................................................... 11
Phone Initialization ......................................................................................................... 13
Registration .................................................................................................................... 14
Touch Screen Display ..................................................................................................... 14
Navigating Menus and Fields ....................................................................................... 16
Entering Data and Editing Fields .................................................................................. 17
Phone Status................................................................................................................... 18
Basic Network Settings .................................................................................................. 19
Customizing Your Phone....................................................... 23
General Settings ............................................................................................................ 23
Wallpaper.................................................................................................................... 23
Backlight ...................................................................................................................... 24
Contrast ....................................................................................................................... 25
Language .................................................................................................................... 26
Time & Date ................................................................................................................. 27
Administrator Password ............................................................................................. 30
xi
User Guide for the SIP-T48G IP Phone
Key as Send ................................................................................................................ 31
Audio Settings ................................................................................................................ 31
Volume ......................................................................................................................... 31
Ring Tones ................................................................................................................... 32
Contact Management ................................................................................................... 34
Directory ...................................................................................................................... 34
Local Directory ............................................................................................................ 36
Blacklist........................................................................................................................ 51
Remote Phone Book ................................................................................................... 53
Call History Management ............................................................................................. 55
System Customizations .................................................................................................. 59
Headset Use ............................................................................................................... 59
Bluetooth Headset ...................................................................................................... 61
DSS Keys ..................................................................................................................... 67
Account Management ............................................................................................... 75
Dial Plan ...................................................................................................................... 78
Live Dialpad ................................................................................................................ 83
Hotline ......................................................................................................................... 84
Basic Call Features .............................................................. 87
Placing Calls ................................................................................................................... 88
Answering Calls ............................................................................................................. 90
Ending Calls ................................................................................................................... 91
Redialing Numbers ........................................................................................................ 92
Recent Call In Dialing .................................................................................................... 92
Auto Answer ................................................................................................................... 93
Auto Redial ..................................................................................................................... 94
Call Completion ............................................................................................................. 95
Call Return ...................................................................................................................... 97
Call Mute ........................................................................................................................ 98
Call Hold/Resume .......................................................................................................... 98
Do Not Disturb (DND) .................................................................................................... 99
Call Forward................................................................................................................. 104
Call Transfer ................................................................................................................. 111
Call Waiting .................................................................................................................. 113
Conference ................................................................................................................... 113
Local Conference ...................................................................................................... 114
Network Conference ................................................................................................ 115
Call Park ....................................................................................................................... 117
Call Pickup .................................................................................................................... 118
Anonymous Call ........................................................................................................... 122
Anonymous Call Rejection ........................................................................................... 123
Advanced Phone Features ................................................ 125
xii
Table of Contents
Busy Lamp Field (BLF).................................................................................................. 125
Call Recording .............................................................................................................. 128
Hot Desking .................................................................................................................. 131
Intercom........................................................................................................................ 132
Outgoing Intercom Calls .......................................................................................... 133
Incoming Intercom Calls ........................................................................................... 133
Multicast Paging .......................................................................................................... 135
Sending RTP Stream ................................................................................................. 135
Receiving RTP Stream ............................................................................................... 137
Music on Hold .............................................................................................................. 139
Messages ..................................................................................................................... 140
Voice Mail.................................................................................................................. 140
Message Waiting Indicator (MWI) .......................................................................... 142
Troubleshooting ................................................................. 145
Regulatory Notices ............................................................ 155
Service Agreements .................................................................................................... 155
Limitations of Liability................................................................................................... 155
Safety Instructions ........................................................................................................ 155
Appendix A - Time Zones .................................................. 157
Index ................................................................................. 159
xiii
User Guide for the SIP-T48G IP Phone
xiv
Overview
This chapter provides the overview of the SIP-T48G 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-T48G IP phone are the touch screen and the
keypad.
1
User Guide for the SIP-T48G IP Phone
Item
Description
①
Power Indicator LED
Indicates phone power and some feature statuses.
②
Touch Screen
Shows information about calls, messages, soft keys,
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, “Saving file…”)
• Time and date
③
HEADSET Key
Toggles and indicates the headset mode.
④
MUTE Key
Toggles and indicates mute feature.
⑤
HOLD Key
Places a call on hold or resumes a held call.
⑥
TRANSFER Key
Transfers a call to another party.
⑦
Speakerphone Key
Toggles the hands-free speakerphone mode.
⑧
MESSAGE Key
Accesses voice messages.
⑨
REDIAL Key
Redials a previously dialed number.
⑩
Position the cursor.
Enable or disable fields.
Turn pages or scroll through values for a field.
Scroll through items.
Confirms actions or answers incoming calls.
Cancels actions or rejects incoming calls.
⑪
Volume Key
Adjusts the volume of the handset, headset, speaker and
ringer.
⑫
Keypad
Provides the digits, letters and special characters in
context-sensitive applications.
Icons
Description
Network is unavailable
Registered successfully
Register failed
Hardware component instructions of the SIP-T48G IP phone are:
Icons appearing on the touch screen are described in the following table:
2
Overview
Icons
Description
(Flashing)
Registering
Hands-free speakerphone mode
Handset mode
Headset mode
Multi-lingual lowercase letters input mode
Multi-lingual uppercase letters input mode
Alphanumeric input mode
Numeric input mode
Multi-lingual uppercase and lowercase letters
input mode
Voice Mail
Auto Answer
Do Not Disturb
Call Forward
Call Hold
Call Mute
Ringer volume is 0
Received Calls
Placed Calls
Missed Calls
Forwarded Calls
Recording box is full
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User Guide for the SIP-T48G IP Phone
Icons
Description
A call cannot be recorded
Recording starts successfully
Recording cannot be started
Recording cannot be stopped
Bluetooth mode is on
Bluetooth headset is both paired and connected
The default caller photo and contact icon
LED Status
Description
Solid red
The phone is initializing.
Fast flashing red
The phone is ringing.
Slow flashing red
The phone receives a 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 mute.
The above introduces the default power indicator LED status. The status of the power
indicator LED is configurable via web user interface. For more information, refer to
Yealink_SIP-T4X_IP_Phone_Family_Administrator_Guide_V72_2
.
Note
Power Indicator LED
4
Overview
Options
Phone User Interface
Web User Interface
Status
√
√
--IPv4
--MAC
--Firmware
--Network
--Phone
--Accounts
Basic Call Features
Two ways to customize configurations of your SIP-T48G IP phone:
The user interface on the IP phone.
The user interface in a web browser on your PC.
The hardware components keypad and touch 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.
You can customize your phone by tapping the Menu soft key to access the phone user
interface. The Advanced option is only accessible to the administrator, and the default
administrator password is “admin” (case-sensitive). For more information on
customizing your phone with the available options from the phone user interface, refer
to Customizing Your Phone on page 23.
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 main 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-T48G IP Phone
Options
Phone User Interface
Web User Interface
--Auto Answer
√
--Auto Redial
√
--Call Completion
√
--Call Forward
√
--Call Waiting
√
--Call Park
√
--Call Pickup
√
--Call Return
√
--Conference
--Anonymous Call
√
--Anonymous Call Rejection
√
--DND
√
Basic Phone Settings
--Language √ √
--Time & Date
√
√
--Administrator Password
√
√
--Ring Tones √ √
--Wallpaper √ √
--Backlight √ √
--Call History Management
√
--Contact Management
√
--Local Directory
√
√
--Blacklist √ √
--Remote Phone Book
√
--LDAP √
--Dial Plan √
--DSS Keys √ √
--Key as Send
√
√
--Hotline √ √
--Live Dialpad
√
Advanced Phone Features
√
--BLF
√
--Call Recording
√
--Hot Desking
√
--Intercom
√
--Multicast Paging
--Music on Hold
--Messages
√
SIP Account
√
--User Options
--Register Status
√
6
Overview
Options
Phone User Interface
Web User Interface
--Account Status
√
--Label
√
--Display Name
√
--Register Name
√
--User Name
√
--Password
√
--SIP Server 1/2
√
--Server Option
--Registrar Port
--Outbound Status
√
--Outbound Proxy
√
--NAT Traversal
--STUN Status
√
--STUN Server
√
Name
Contents
Where found
Language
Quick Installation
Guide
Basic setup of the
phone
In the package
English
Quick Reference
Guide
Basic call features
and phone
customizations
In the package
English
User Guide
Phone/Web user
interface settings
Basic call features
and advanced
phone features
On the website
English
The table above lists most of the feature options. Please refer to the relevant sections for
more information.
You can also download the latest documentations online:
http://www.yealink.com/SupportDownloadfiles_detail.aspx?CateId=1206&flag=142.
Note
The following table shows documentations available for the SIP-T48G IP phone.
Note
7
User Guide for the SIP-T48G IP Phone
8
Getting Started
This chapter provides the following basic installation instructions and information for
obtaining the best performance with the SIP-T48G IP phone. Topics include:
Packaging Contents
Phone Installation
Phone Initialization
Phone Status
Basic Network Settings
Registration
Touch Screen Display
If you require additional information or assistance with your new phone, contact your
system administrator.
The following components are included in your SIP-T48G IP phone package:
SIP-T48G IP Phone
Phone Stand
9
User Guide for the SIP-T48G IP Phone
Wall Mount Bracket (Optional)
Power Adapter (Optional)
Handset & Handset Cord
Ethernet Cable
Quick Installation Guide & Quick Reference Guide
Check the list before installation. If you find anything missing, contact your system
administrator.
10
Getting Started
The wall mount bracket should be purchased separately.
The top two slots are plugged up by silica gel. You need to pull out silica gel before
attaching the wall mount bracket. For more information on how to mount your phone to a
wall, refer to
Yealink Wall Mount Quick Installation Guide for T4X IP Phones
.
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 or the optional wall mount bracket
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
Note
Wall Mount Method (Optional)
11
User Guide for the SIP-T48G IP Phone
The headset, wireless headset adapter EHS36 and Bluetooth USB Dongle BT40 should be
purchased separately.
The EXT port can also be used to connect an expansion module EXP40.
For more information on how to use EHS36, EXP40 and Bluetooth USB Dongle BT40, refer
to Yealink EHS36 User Guide, Yealink EXP40 User Guide and Yealink Bluetooth USB
Dongle BT40 User Guide.
2) Connect the handset and optional headset
Note
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.
12
Getting Started
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.
If your network does not use DHCP, proceed to Basic Network Settings on page 19.
Power over Ethernet
With the included or a regular Ethernet cable, the SIP-T48G 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
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 touch
screen displays "Initializing…Please wait" during the initialization.
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
13
User Guide for the SIP-T48G IP Phone
No.
Name
Description
1
Status Bar
Displays the phone’s default account, icons and
the time and date.
2
Default Account
The label of the default account is displayed on
the left of the status bar.
3
Icons
Icons are displayed in the center of the status
bar.
4
Time and Date
The phone’s time and date are displayed on the
right of the status bar.
5
Line Keys (1-11)
The idle screen displays line keys 1-11 and the
line keys 1-6 on the left can be used to activate
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 75.
Idle Screen Display
If the phone has successfully started up, the idle screen will be shown. The following
figure is an example of what is displayed on the touch screen.
14
Getting Started
No.
Name
Description
up to six lines.
Various features can be assigned to line keys.
Each line key can show the label and indicate
status of the assigned feature.
6
DSS Key
Provides a quick access to the line key
configuration screen.
7
Wallpaper
Shows the specified wallpaper. You can
customize the wallpaper. For more information,
refer to Wallpaper on page 23.
8
Call Window
Displays the call information.
9
Shortcut Keys
: tap this shortcut key to enter the History
screen and view call history.
: tap this shortcut key to enter the Directory
screen and view contacts.
: tap this shortcut key to toggle the DND
mode or enter the custom DND configuration
screen.
: tap this shortcut key to enter the main
menu.
Configuration Screen Display
15
User Guide for the SIP-T48G IP Phone
No.
Name
Description
1
Screen Title Area
Displays the title of the access menu screen.
2
Operation Option Area
Displays various operation options for
different menu screens.
3
Menu Tree Area
Displays menu items.
You can tap the desired menu item to enter
the corresponding feature configuration
screen.
4
Configuration Area
Displays configuration items of the
highlighted menu item in the menu tree area.
You can configure feature settings in this
area.
5
Soft Keys
Label automatically to identify their
context-sensitive features.
If you want to
Action
Enter the main menu.
Tap .
Return to the idle screen.
Tap .
Go back to the previous menu.
Tap or press .
Select an item.
Tap the item.
Scroll to the item by pressing or .
Scroll through items page by
page.
Tap or .
(If you are in the call history, recent call list,
language configuration screen or ring tones
configuration screen, you can also press
or .)
Scroll through values for a field.
Tap the field’s highlighted gray box. From the
pull-down list, tap or to scroll through
The menu system will automatically exit to the idle screen after 60 seconds of inactivity.
Note
To navigate menus and fields, you can:
Tap soft keys on the touch screen.
Tap menu items, fields, and arrows on the touch screen.
Press keys on the phone keypad.
To operate your phone, follow these tips:
16
values page by page, or press or to
scroll values one by one.
Select a value for a field.
From the pull-down list, tap the value or scroll
to the value and then press .
You can enter data and edit fields using the keypad on the phone:
If you want to
Action
Enter only numbers (1),
uppercase (A) characters,
lowercase (a) characters, or
alphanumeric (2aB) characters.
Press a digit key one or more times to enter the
characters (in either lowercase or uppercase
mode) or number that displays on the digit
key.
You can tap the IME soft key one or more times
to switch between uppercase (ABC soft key),
numeric (123 soft key), alphanumeric (2aB soft
key), title case (Abc soft key) and lowercase
(abc soft key) input modes.
For example, if the input mode is ABC:
- To enter “A”, press once.
- To enter “B”, press two times quickly.
- To enter “C”, press three times
quickly.
Enter special characters.
Press the digit key , or .
(These keys provide a different set of special
characters.)
Delete text you entered.
Press or to position the cursor to the
right of the text you want to delete, and then
tap the Delete soft key.
Delete an entire field of data.
Double tap the field of data, so that the data is
highlighted, and then tap the Delete soft key.
When the phone is in the pre-dialing screen, you can enter characters using the
on-screen keypad.
To enter or edit data:
1. Tap the field.
2. Do one of the following:
Getting Started
Note
3. Press or tap the Save soft key.
17
User Guide for the SIP-T48G IP Phone
You can view the device certificate status via phone user interface only.
You can view phone status via phone user interface or web user interface.
Available information of phone status includes:
General information (IP address, MAC address and firmware version)
Network status (e.g., IPv4 status, IPv6 status, IP address mode and MAC address)
Phone status (e.g., device model, hardware version, product ID and device
certificate status)
Account status (e.g., register status of SIP accounts)
Note
To view the phone status via phone user interface:
1. Press , or tap ->Status.
2. Tap the desired item to 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 the Enter key.
18
Getting Started
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.
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. Tap ->Advanced (password: admin) ->Network->WAN Port.
2. Tap the gray box of the IP Mode field.
19
User Guide for the SIP-T48G IP Phone
3. Tap the desired value (IPv4, IPv6 or IPv4 & IPv6) from the pull-down list.
4. Tap the Save soft key to accept the change or to cancel.
To configure a static IPv4 address via phone user interface:
1. Tap ->Advanced (password: admin) ->Network->WAN Port->IPv4.
2. Tap the gray box of the Type field.
3. Tap Static IP from the pull-down list.
4. Enter the desired values in the IP Address, Subnet Mask, Gateway, Primary DNS
and Secondary DNS fields respectively.
5. Tap the Save soft key to accept the change or to cancel.
To configure a static IPv6 address via phone user interface:
1. Tap ->Advanced (password: admin) ->Network->WAN Port->IPv6.
2. Tap the gray box of the Type field.
3. Tap Static IP from the pull-down list.
20
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