Huawei TE20 Service manual

TE20 Videoconferencing Endpoint
V500R003C00
Administrator Guide
Issue
01
Date
2016-09-01
HUAWEI TECHNOLOGIES CO., LTD.

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i
Copyright © Huawei Technologies Co., Ltd. 2016. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and
the customer. All or part of the products, services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements,
information, and recommendations in this document are provided "AS IS" without warranties, guarantees or
representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address:
Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website:
http://e.huawei.com

TE20 Videoconferencing Endpoint
Administrator Guide
About This Document
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About This Document
Overview
Before you use the product, refer to the product vendor for version mapping information and
to confirm compatibility with other videoconferencing equipment.
This guide describes how to use the TE20 videoconferencing endpoint (TE20 or endpoint for
short) in terms of conference experience, device control, address book management,
maintenance, and fault diagnosis.
Intended Audience
This document is intended for but not limited to endpoint administrators.
An endpoint administrator has access to all functions on the endpoint web interface, and
remote controlled user interface (UI).
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
Description
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in equipment damage, data loss,
performance deterioration, or unanticipated results.
NOTICE is used to address practices not related to personal
injury.
Calls attention to important information, best practices and

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About This Document
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Symbol
Description
tips.
NOTE is used to address information not related to personal
injury, equipment damage, and environment deterioration.
Change History
Changes between document issues are cumulative. The latest document issue contains all the
changes made in earlier issues.
Issue 01 (2016-08-10)
This issue is the first official release.

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Administrator Guide
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Contents
About This Document.................................................................................................................... ii
1 Administrator Guidelines ...........................................................................................................1
1.1 Application Scope.........................................................................................................................................................1
1.2 Requirements on an Administrator ...............................................................................................................................1
1.2.1 Basic Knowledge.......................................................................................................................................................1
1.2.2 Environment and System Information.......................................................................................................................1
1.2.3 Reference Documents................................................................................................................................................2
1.3 How to Obtain Help......................................................................................................................................................3
2 Getting Started...............................................................................................................................5
2.1 Understanding the Remote Control ..............................................................................................................................5
2.1.1 Background................................................................................................................................................................5
2.1.2 Remote Control Buttons ............................................................................................................................................5
2.1.3 Remote Control UI ....................................................................................................................................................6
2.1.4 Unpairing a Remote Control......................................................................................................................................7
2.1.5 Using the Simulated Remote Control ........................................................................................................................7
2.1.6 Using a Keyboard or Mouse ......................................................................................................................................8
2.2 Understanding the Web Interface................................................................................................................................10
2.2.1 Background..............................................................................................................................................................10
2.2.2 Configuring the Browser .........................................................................................................................................10
2.2.3 Logging In to the Web Interface .............................................................................................................................. 11
3 Conference Operations Using the Remote Control..............................................................13
3.1 Initiating a Point-to-Point Conference........................................................................................................................13
3.2 Joining a Conference ..................................................................................................................................................15
3.2.1 Joining a Conference by Entering the Conference Access Code .............................................................................15
3.2.2 Joining an HD Video Conference over an IMS Network.........................................................................................16
3.2.3 Joining a Conference Initiated by a Third-Party Videoconferencing Platform........................................................17
3.3 Conference Control.....................................................................................................................................................18
3.3.1 Request Chair...........................................................................................................................................................20
3.3.2 Release Chair...........................................................................................................................................................21
3.3.3 Extend Conference...................................................................................................................................................21
3.3.4 Add Site ...................................................................................................................................................................22
3.3.5 Call Site ...................................................................................................................................................................23

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3.3.6 Mute/Unmute MIC ..................................................................................................................................................24
3.3.7 View Site..................................................................................................................................................................25
3.3.8 Broadcast Site..........................................................................................................................................................26
3.3.9 Disconnect Site........................................................................................................................................................26
3.4 End Conference ..........................................................................................................................................................26
3.5 Enabling the Do Not Disturb Function .......................................................................................................................27
3.6 Starting Presentation...................................................................................................................................................28
3.7 Configuring the Conference Screen Layout................................................................................................................29
3.8 Adjusting the Volume at Your Site..............................................................................................................................30
3.9 Muting or Unmuting the Local Microphone...............................................................................................................31
4 Conference Operations Using the Web Interface.................................................................32
4.1 Initiating a Point-to-Point Conference........................................................................................................................32
4.1.1 Initiating a Conference from the Call Page..............................................................................................................32
4.1.2 Initiating a Conference from the Address Book Page..............................................................................................34
4.2 Joining a Conference ..................................................................................................................................................34
4.2.1 Joining a Conference Using the Conference Access Number..................................................................................34
4.2.2 Joining an HD Video Conference over an IMS Network.........................................................................................36
4.2.3 Joining a Third-Party Cloud Video Conference.......................................................................................................40
4.3 Controlling a Conference............................................................................................................................................41
4.4 Starting Presentation...................................................................................................................................................49
4.5 Setting the Answering Mode.......................................................................................................................................50
4.6 Muting the Local Microphone After Answering a Call ..............................................................................................50
4.7 Using the Do-Not-Disturb Function ...........................................................................................................................51
5 Device Control.............................................................................................................................52
5.1 Controlling Cameras...................................................................................................................................................52
5.1.1 Using the Remote Control .......................................................................................................................................52
5.1.2 Using the Web Interface...........................................................................................................................................53
5.2 Selecting Video Sources .............................................................................................................................................54
5.3 Setting Preferred Video Parameters............................................................................................................................55
6 Address Book Management......................................................................................................57
6.1 Adding Sites Using the Web Interface ........................................................................................................................57
6.2 Adding Groups Using the Web Interface ....................................................................................................................59
6.3 Modifying or Deleting Sites or Groups in the Address Book Using the Web Interface..............................................60
6.4 Importing and Exporting Address Book .....................................................................................................................61
7 System File Management ..........................................................................................................62
7.1 Importing and Exporting Settings...............................................................................................................................62
7.2 Backing Up Settings ...................................................................................................................................................63
7.3 Creating and Downloading a CSR File.......................................................................................................................63
8 Operation UI Customization ....................................................................................................65
8.1 Customizing the Web Interface...................................................................................................................................65

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8.1.1 Desktop Icons ..........................................................................................................................................................66
8.1.2 Shortcut Bar Icons ...................................................................................................................................................66
8.2 Customizing the Remote Control UI ..........................................................................................................................67
9 Routine Maintenance .................................................................................................................68
9.1 Maintenance Items......................................................................................................................................................68
9.2 Checking the Indicator Status.....................................................................................................................................69
9.3 Checking the Operating Environment ........................................................................................................................69
9.4 Checking the Cleanliness............................................................................................................................................70
9.5 Checking the Connection Status.................................................................................................................................71
9.6 Checking Alarms ........................................................................................................................................................71
9.7 Checking the System Status........................................................................................................................................71
9.8 Checking the System Information ..............................................................................................................................72
9.9 Backup and Restoration..............................................................................................................................................73
9.10 Restoring Factory Settings........................................................................................................................................74
10 Security Maintenance...............................................................................................................76
10.1 Overview ..................................................................................................................................................................76
10.1.1 Purpose of Security Maintenance ..........................................................................................................................76
10.1.2 What Is Layered Security Maintenance.................................................................................................................76
10.2 Application Layer Security.......................................................................................................................................77
10.2.1 Application Layer Account List.............................................................................................................................77
10.2.2 Restoring Systems to Default Settings...................................................................................................................86
10.2.3 Configuring Encryption.........................................................................................................................................87
10.2.4 Web Management Users ........................................................................................................................................87
10.2.5 Web Access Control...............................................................................................................................................88
10.2.6 SSH Access Control...............................................................................................................................................89
10.2.7 Viewing Logs.........................................................................................................................................................90
10.2.8 Enabling FTPS.......................................................................................................................................................91
10.2.9 Configuring an FTPS Server..................................................................................................................................91
10.2.10 Managing Certificates..........................................................................................................................................94
10.2.11 Importing and Updating Web Certificates............................................................................................................95
10.2.12 Importing and Exporting Settings........................................................................................................................96
10.3 System Layer Security..............................................................................................................................................97
10.4 Network Layer Security............................................................................................................................................97
10.5 Management Layer Security.....................................................................................................................................98
10.5.1 Principles of System Maintenance Security...........................................................................................................99
10.5.2 Guidelines for Password Security Maintenance ....................................................................................................99
10.5.3 Log Maintenance Suggestions...............................................................................................................................99
10.5.4 Guidelines on Signaling Diagnosis......................................................................................................................100
10.5.5 Security Evaluation Recommendations ...............................................................................................................100
10.5.6 Backup Suggestions.............................................................................................................................................100
10.5.7 Defect Feedback Suggestions..............................................................................................................................100

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10.5.8 Common Measures Against Attacks ....................................................................................................................100
10.5.9 Security Emergency Response Mechanism .........................................................................................................101
10.5.10 Security Emergency Response Mailbox ............................................................................................................101
11 Troubleshooting......................................................................................................................102
11.1 Fault Diagnosis .......................................................................................................................................................102
11.1.1 Fault Diagnosis Model.........................................................................................................................................102
11.1.2 Fault Diagnosis Methods .....................................................................................................................................103
11.2 Common Faults.......................................................................................................................................................106
11.2.1 Web Interface.......................................................................................................................................................106
11.2.2 Network ...............................................................................................................................................................107
11.2.3 Video....................................................................................................................................................................108
11.2.4 Audio.................................................................................................................................................................... 111
11.2.5 Conference Initiation ........................................................................................................................................... 112
11.2.6 Conference Control.............................................................................................................................................. 114
A Icons on the Remotely Controlled UI ..................................................................................116
B Requirements on Room Layout and Lighting ....................................................................118
C Default Accounts......................................................................................................................119
D Safety Precautions ...................................................................................................................121
E Glossary ...................................................................................................................................... 126

TE20 Videoconferencing Endpoint
Administrator Guide
1 Administrator Guidelines
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1 Administrator Guidelines
1.1 Application Scope
This document provides guidance for enterprise administrators to perform routine operations.
Enterprise administrators are management and maintenance personnel who are responsible for
proper running of the endpoint. They need to perform the following tasks:
Answer questions posed by enterprise users.
Perform routine system operations.
Routinely maintains the endpoint.
Troubleshoots the endpoint failures.
1.2 Requirements on an Administrator
As an administrator, you must meet the following basic endpoint administrator proficiencies
and be capable of collecting all information related to the endpoint and its working
environment.
1.2.1 Basic Knowledge
SC(Switch Center) and Session Initiation Protocol (SIP) servers
H.323 and SIP protocols
Ethernet, TCP/IP, and Client/Server (C/S) model
Safe and effective use of electronic devices
Common maintenance tools
Videoconferencing endpoint functions and services
The endpoint is restricted to indoor use..
1.2.2 Environment and System Information
Table 1-1 lists the endpoint and working environment information that must be collected,
which helps you fulfill your job responsibilities and check the preparations for a recovery
from an emergency.

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Table 1-1 Information to be collected
Categ
ory
No.
Item
Description
Device
inform
ation
1
Device
location
Record the endpoint location in as much detail as
possible so the endpoint can be quickly located.
2
Networking
condition
Record the network topology and hardware connection
diagram that include every device.
3
Endpoint
information
List the IP address, user name, and password for the
endpoint so you can quickly log in to the endpoint in
case of an emergency. If you are not permitted to
record the password for security reasons, memorize it.
Softwa
re and
tools
4
Software
versions and
tools
List the software versions corresponding to the
endpoint.
Prepare troubleshooting tools.
Contact
inform
ation
5
Purchased
parts' service
information
Record the manufacturer contact information, serial
numbers, and manufacturers' warranty clauses for
purchased parts.
6
Technical
support
personnel's
contact
information
Maintain a list of technical support personnel with
their contact information and responsibilities.
Spare
parts
7
Spare parts
List all spare parts (including the spare parts that
Huawei can provide) and corresponding procurement
methods.
8
Redundant or
temporary
devices
List all redundant or temporary devices in the system,
such as standby file servers and database servers.
1.2.3 Reference Documents
The documents listed in Table 1-2 can help enterprise administrators perform routine
operations and maintenance as well as answer questions from common users.
Table 1-2 Reference documents
Document
Description
When to Use
How to Obtain
TE20
Videoconferen
cing Endpoint
V500R003C00
Quick
Installation
Guide
Describes the
packing list of
the endpoint,
and the ways to
quickly install
and configure
it.
Describes the
When checking
whether the
carton contains
all the required
items and when
installing the
endpoint
To obtain the documentation of a
product, visit
http://support.huawei.com/enterprise
/and search for product name +
version number, for example TE20
V500R003C00.

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Document
Description
When to Use
How to Obtain
packing list
and quick
installation and
configuration
methods of the
endpoint.
TE20
Videoconferen
cing Endpoint
V500R003C00
Quick
Operation
Guide
Describes the
commonly
used operations
on the remote
control UI of
the endpoint.
When
answering
questions from
common users
who are using
the endpoint
for the first
time or
unfamiliar with
the endpoint
TE20
Videoconferen
cing Endpoint
V500R003C00
Administrator
Guide (this
document)
Describes
routine
operations and
maintenance
on the
endpoint.
When
answering
questions that
common users
encounter
during daily
operation
TE20
Videoconferen
cing Endpoint
V500R003C00
Help
Describes the
endpoint web
interface and
method for
using this
interface.
When
answering
questions that
common users
encounter on
the endpoint
web interface
or explaining
the parameters
on this
interface
Log in to the endpoint web interface
and click the Help tab.
1.3 How to Obtain Help
When you encounter an endpoint issue, use the help on the endpoint web interface or contact
technical support personnel.
Viewing the Help on the Endpoint Web Interface
The help on the endpoint web interface includes context-sensitive help and operation
guide.
Context-sensitive help includes status icons and configuration verification messages. For
example, if certain settings on the system settings screen are incorrect, a message will be
displayed to indicate the error and how to rectify it.

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The operation guide describes how to operate the endpoint web interface. When you are
using the endpoint and the documents delivered with the endpoint are unavailable, you
can click in the upper right corner to read the operation guide.
Obtaining Technical Support
The enterprise technical support website is an efficient and real-time communication platform
where you can obtain technical documents, submit technical questions, service requests, and
troubleshooting questions, and provide feedback on Huawei products. To seek technical help
over the Internet, please visit http://e.huawei.com.
Provide the following information to help Huawei engineers answer your questions:
Endpoint serial number (web interface query path: Help > Version)
Software version (web interface query path: Help > Version)
Network information (web interface query path: Maintenance > System Status > Line
Status)
Diagnostic and troubleshooting measures you have taken

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2 Getting Started
You can clearly know how to log in to the web interface and use the remote control by reading
this section.
2.1 Understanding the Remote Control
2.1.1 Background
You can use the remote control to easily perform operations such as joining or controlling a
conference, modifying system settings, adjusting the camera angle, and setting the layout.
2.1.2 Remote Control Buttons
Figure 2-1 shows what the remote control looks likes and the functions of all its buttons.

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Figure 2-1 Remote control buttons
2.1.3 Remote Control UI
This section describes the main menu screen of the remote control UI.
Power on the endpoint and its connected display. You will see the screen shown in Figure 2-2.
Figure 2-2 Main menu screen

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On the main menu, press the button on the remote control, switch to , and press
the button on the remote control to enter the Call screen.
This screen provides two options: Call and Call History.
On the main menu screen, you can go between System Settings, AirPresence, Call,
Camera Control and Do Not Disturb using the arrow buttons or click wheel.
−If you want to access the System Settings, enter the password (default: 12345678).
−If no administrator password is set beforehand, you can access any module of the
remote control UI.
2.1.4 Unpairing a Remote Control
If you want to use a TE10-paired remote control to operate a TE20, unpair the remote control
from its paired TE10 first.
The TE10 remote control can be used by the TE20, and vice versa. If you want to use a
TE10-paired remote control to operate a TE20, unpair the remote control from its paired TE10
first.
It is recommended that you operate the TE10 or TE20 with the remote control that comes with it.
Press and hold the and buttons simultaneously for 3s. The unpairing succeeds
when you see the remote control indicator on for 1s.
2.1.5 Using the Simulated Remote Control
You can invoke the simulated remote control on the web interface and click on it to control
your endpoint.
On the web interface, choose Device Control > Use Remote Control to invoke the simulated
remote control show in Figure 2-3.

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Figure 2-3 Simulated remote control
2.1.6 Using a Keyboard or Mouse
You can connect a wired or wireless keyboard or mouse to your endpoint through the USB
port. Then you can use it to operate your device just like a remote control.
Using a Keyboard
You will see the screen shown in Figure 2-2 after connecting your endpoint to a wired or
wireless keyboard.
Table 2-1 shows the remote control buttons and the keyboard buttons with the same functions.
You can use the keyboard button combinations of the Android operating system to operate the
remote control UI. If you want to know functions of these button combinations, visit the Android
website.
The TE20 remote control UI provides a soft keyboard, which is available even though a physical
keyboard is connected.
Table 2-1 Remote control buttons and corresponding keyboard buttons
Remote Control Button
Keyboard Button
Arrow buttons
Arrow buttons
Delete button
Delete or Backspace button
Back button
Esc button
OK button
Enter button
Zoom out
Plus (+) button on the numeric keypad
Zoom in
Minus (-) button on the numeric keypad

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Remote Control Button
Keyboard Button
Letter, number, and symbol buttons
Letter, number, and symbol buttons
Using a Mouse
You will see the screen shown in Figure 2-4 after connecting your endpoint to a wired or
wireless mouse.
Figure 2-4 Main menu screen (a mouse connected)
You can use the mouse as follows:
Click or to navigate to a menu item.
Click a menu item to access its screen. For example, click the icon to access the
Call screen.
Then you can perform the following operations:
−Click or to go back to the previous screen.
−Click the text box to invoke the soft keyboard. Then use the soft keyboard to enter
letters, numbers, or symbols.
If a wireless keyboard and mouse suite is connected, you can also use the physical keyboard to enter
what you want after a click on the text box.
−On the Camera screen, click , , , and to rotate the camera or click
or to adjust the focal length.

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2.2 Understanding the Web Interface
2.2.1 Background
The endpoint web interface provides users with a wide array of functions, including calling,
conference control, address book management, system configuration, and device control. The
endpoint web interface enables multiple users to perform operations simultaneously as well as
remotely.
2.2.2 Configuring the Browser
Before using the endpoint web interface for remote management, configure the web browser
on your computer.
Background
The web interface can run on Microsoft Internet Explorer, Mozilla FireFox, and Google
Chrome. Microsoft Internet Explorer 11 is recommended. If you use other browsers or
versions, the user interface (UI) display may appear slightly different. The web interface will
still work as expected.
Before you begin, ensure that the latest patches for the operating system and browser are installed.
It is recommended that you use Microsoft Internet Explorer 11 or later. Microsoft has stopped
maintaining versions earlier than Internet Explorer 11 or releasing patches for them. Using any of
the earlier versions may pose security risks.
Procedure
The following description uses Window7 as an example to describe how to configure
Microsoft Internet Explorer 11, FireFox 44.0.2 and Chrome 46.0.2490.80 m. The methods for
configuring other browser versions are similar.
Step 1 Start Internet Explorer.
Step 2 From the Internet Explorer menu bar, choose Tools > Internet Options. In the displayed
Internet Options dialog box, click the Security tab.
Step 3 In the bottom of the tab, click Custom level.
Step 4 In the Security Settings dialog box that is displayed, perform the operations as follows:
1. Set all options under Downloads and Scripting to Enable.
2. Select Display mixed content under Miscellaneous.
Step 5 Click OK.
Step 6 On the Security tab, click Trusted site and then Site.
The Trusted site dialog box is displayed.
Step 7 In the Add this website to the zone text box, enter the IP address of your endpoint. Then
click Add.
Step 8 Click Close.
Step 9 Click the Privacy tab. Move the slider to display the Medium level.

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Step 10 Click the Advanced tab. Select Use TLS 1.1 or Use TLS 1.2 under Settings.
Step 11 Click OK.
The configuration is complete.
----End
To ensure that information can be properly displayed, if you choose to skip Step 6 through Step 8,
choose Tools > Pop-up Blocker > Turn Off Pop-up Blocker from the menu bar of Internet Explorer.
If you use Mozilla Firefox or Google Chrome, set it as follows:
Click in the right corner of the Firefox menu bar to open the settings window.
Click Privacy, select Accept cookies from sites, and click OK.
Use the default settings for Google Chrome.
2.2.3 Logging In to the Web Interface
You can remotely manage the endpoint after logging in to the endpoint web interface.
Prerequisites
Before logging in to the web interface, configure your browser. For details, see 2.2.2
Configuring the Browser.
Procedure
Step 1 Open Internet Explorer.
Step 2 In the address box, enter the endpoint IP address, such as 192.168.1.1.
Step 3 Press Enter.
Log in to the endpoint web interface, as shown in Figure 2-5.
Figure 2-5 Endpoint web login

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Step 4 Fill in User name and Password.
The default user name and password are admin and Change_Me respectively. You are advised to
change the default password the first time you log in to the web interface, and then change your
password regularly.
Step 5 From the Language drop-down list, select a language.
Step 6 Click Log In.
The home page is displayed, as shown in Figure 2-6.
To ensure data security, after accessing the endpoint web interface, close the browser and delete
browser caches.
If the computer desktop resolution has been changed, log in to the web interface again.
Figure 2-6 Home page of the endpoint web interface
----End