TE20 Videoconferencing Endpoint V500R003C00 Administrator Guide Issue 01 Date 2016-09-01 HUAWEI TECHNOLOGIES CO., LTD.
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.
TE20 Videoconferencing Endpoint Administrator Guide About This Document 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.
TE20 Videoconferencing Endpoint Administrator Guide Symbol About This Document 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.
TE20 Videoconferencing Endpoint Administrator Guide Contents Contents About This Document .................................................................................................................... ii 1 Administrator Guidelines ........................................................................................................... 1 1.1 Application Scope .............................................................................................................................................
TE20 Videoconferencing Endpoint Administrator Guide Contents 3.3.6 Mute/Unmute MIC .................................................................................................................................................. 24 3.3.7 View Site .................................................................................................................................................................. 25 3.3.8 Broadcast Site ..........................................................................
TE20 Videoconferencing Endpoint Administrator Guide Contents 8.1.1 Desktop Icons .......................................................................................................................................................... 66 8.1.2 Shortcut Bar Icons ................................................................................................................................................... 66 8.2 Customizing the Remote Control UI .........................................................
TE20 Videoconferencing Endpoint Administrator Guide Contents 10.5.8 Common Measures Against Attacks .................................................................................................................... 100 10.5.9 Security Emergency Response Mechanism ......................................................................................................... 101 10.5.10 Security Emergency Response Mailbox ..........................................................................................
TE20 Videoconferencing Endpoint Administrator Guide 1 Administrator Guidelines 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.
TE20 Videoconferencing Endpoint Administrator Guide 1 Administrator Guidelines 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.
TE20 Videoconferencing Endpoint Administrator Guide 1 Administrator Guidelines 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.
TE20 Videoconferencing Endpoint Administrator Guide 1 Administrator Guidelines 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.
TE20 Videoconferencing Endpoint Administrator Guide 2 Getting Started 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.
TE20 Videoconferencing Endpoint Administrator Guide 2 Getting Started 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 Issue 01 (2016-09-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
TE20 Videoconferencing Endpoint Administrator Guide 2 Getting Started On the main menu, press the the button on the remote control, switch to , and press 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.
TE20 Videoconferencing Endpoint Administrator Guide 2 Getting Started 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.
TE20 Videoconferencing Endpoint Administrator Guide 2 Getting Started 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 Click a menu item to access its screen. For example, click the Call screen. or to navigate to a menu item.
TE20 Videoconferencing Endpoint Administrator Guide 2 Getting Started 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.
TE20 Videoconferencing Endpoint Administrator Guide 2 Getting Started 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.
TE20 Videoconferencing Endpoint Administrator Guide 2 Getting Started 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.
TE20 Videoconferencing Endpoint Administrator Guide 3 3 Conference Operations Using the Remote Control Conference Operations Using the Remote Control On the remote control interface of the endpoint, you can join a conference in diverse ways. During a conference, you can control the conference, sharing a document, and configure the image layout. 3.1 Initiating a Point-to-Point Conference You can initiate a point-to-point conference by placing a call to a remote site on the conferencing screen.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control Using the Name, Number, or IP Address of a Remote Site Step 1 In the text box on the Speed Dial screen shown in Figure 3-1, enter the name, number, or IP address of a remote site. Step 2 Press the button on the remote control, switch to control to start the conference.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control Figure 3-2 Conference history Step 2 On the remote control, press the button, and switch to a conference site in the history. Step 3 On the remote control, press the button to start a conference. ----End 3.2 Joining a Conference You can use your remote control to join SMC-based, IMS-based HD, and third-party cloud video conferences. 3.2.
TE20 Videoconferencing Endpoint Administrator Guide Step 3 Press the control. 3 Conference Operations Using the Remote Control button on the remote control, switch to , and press the on the remote If no password is set for the conference, the endpoint joins the conference directly. If a password is set for the conference, the screen shown in Figure 3-3 is displayed, and continue Step 4 and Step 5. Figure 3-3 Entering the conference password Step 4 Press any number key on the remote control.
TE20 Videoconferencing Endpoint Administrator Guide Step 3 Press the control. 3 Conference Operations Using the Remote Control button on the remote control, switch to , and press the on the remote If no password is set for the conference, the endpoint joins the conference directly. If a password is set for the conference, the screen shown in Figure 3-4 is displayed, and continue Step 4 and Step 5. Figure 3-4 Entering the conference password Step 4 Press any number key on the remote control.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control Procedure Step 1 On the main menu, press any number key on the remote control. The Speed Dial page is displayed, as shown in Figure 3-1. Step 2 Enter the domain name (example: HUAWEI_TE20.vmr@videxio.com) of a virtual conference room in the text box, or a remote site URI (example: TE20GZ). Step 3 Press the control.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control The conference control page is displayed, as shown in Figure 3-5. Figure 3-5 Conference control ----End Accessing the Site List Screen Perform the following operations to access the Site List screen: Step 1 To access the menu screen, press the button on the remote control. Step 2 Press the control. button on the remote control, switch to , and press the on the remote Step 3 Press the control.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control Figure 3-6 Site list ----End 3.3.1 Request Chair Application Scenario Sites can request chair control rights when no chair site exists in a conference. The conference chair site can use more conference control functions than other sites. Audio-only sites cannot request chair control rights. Procedure Step 1 On the Conference Control screen shown in Figure 3-5, press the control.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control 3.3.2 Release Chair Application Scenario The chair site uses this function to release chair control rights. Other sites can request chair control rights only after chair control rights are released. Procedure Step 1 On the Conference Control screen shown in Figure 3-5, press the control. Step 2 Press the control.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control Figure 3-7 Extending a conference Step 3 Press the button on the remote control, switch to a time segment, and press the the remote control. on ----End 3.3.4 Add Site Application Scenario After a conference starts, the chair site can still add sites into the conference. If a site is successfully added to the conference, the site becomes a participant in the conference.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control Figure 3-8 Speed dial Step 2 Press the button on the remote control and switch to the text box or address book list. In the text box, enter the number or IP address of a site you want to add. In the address book list, select a site or group you want to add. Step 3 Press the control. button on the remote control, switch to , and press the on the remote ----End 3.3.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control Figure 3-9 Calling a site Step 3 On the remote control, press the button to start a call. ----End 3.3.6 Mute/Unmute MIC Application Scenario If the microphone of a site is muted/unmuted by the chair site, the site cannot/can be heard by the other sites.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control Figure 3-10 Conference control Step 2 Press the button on the remote control, switch to on the remote control to mute or unmute the microphone. or , and press the button ----End 3.3.7 View Site Application Scenario At your site, you can view continuous presence consisting of multiple sites or view a single site. This operation does not affect the video viewed by other sites.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control 3.3.8 Broadcast Site Application Scenario When a site is broadcast, all non-chair sites (excepting the site being broadcast) are limited to viewing the broadcast site while the chair site can view any site in the conference.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control Procedure Step 1 To access the menu screen, press the Step 2 Press the control. button on the remote control. button on the remote control, switch to , and press the on the remote The screen shown in Figure 3-11 is displayed. Figure 3-11 Ending a conference Step 3 Choose End Conference and press the button on the remote control. Choose Leave Conference. Only the local site leaves the conference.
TE20 Videoconferencing Endpoint Administrator Guide The 3 Conference Operations Using the Remote Control icon is displayed in the upper right corner. 3.6 Starting Presentation You can share the screen of your computer or mobile device with a remote site. Prerequisites The presentation sharing has been enabled and related parameters have been set. The endpoint enables presentation sharing by default. To reset parameters, see TE20 Videoconferencing Endpoint V500R003C00 Configuration Guide.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control In the dialog box that is displayed, enter the AirPresence authentication password and click Connect. The default administrator password is Change_Me. In the displayed dialog box shown in Figure 3-13, choose Yes. Figure 3-13 AirPresence client request dialog box If the endpoint is not used in a conference, the computer desktop is shared as a presentation with the endpoint.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control Figure 3-14 Example for configuring the conference screen layout Specific icons appearing on the screen layout screen are related to the endpoint status. For example, the Local Presentation icon is displayed only when the local site is connected to a presentation source, and disappears when local presentation is terminated.
TE20 Videoconferencing Endpoint Administrator Guide 3 Conference Operations Using the Remote Control 3.9 Muting or Unmuting the Local Microphone If you do not want to be heard, mute your microphone. You can press the button on the remote control to mute or unmute your microphone. If your microphone is muted, the remotely controlled UI. icon will appear in the upper right corner of the The microphone referred to in the section is the local microphone. "3.3.
TE20 Videoconferencing Endpoint Administrator Guide 4 4 Conference Operations Using the Web Interface Conference Operations Using the Web Interface You can join conferences in multiple ways on the endpoint web interface. During a conference, you can control the conference or share presentation. 4.1 Initiating a Point-to-Point Conference You can initiate a point-to-point conference in multiple ways on the endpoint web interface. 4.1.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface If you do not find your desired remote site in the Call Logs window, enter its name, number, URI, or IP address, as shown in Figure 4-2. Figure 4-2 Initiating a call by site name/number/URI/IP address Step 3 Set the site parameters listed in Table 4-1. Table 4-1 Site parameters Parameter Description Setting Site name/IP address/Nu mber Specifies the name, number, URI, or IP address of a remote site.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface ----End 4.1.2 Initiating a Conference from the Address Book Page From the address book on your endpoint, you can select sites to initiate a conference. Procedure Step 1 Choose Address Book > Address Book. Step 2 Choose the site you would like to call from the address book and click Call, as shown in Figure 4-3. You can select an address book record and edit it.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Or they can obtain the conference access number and password from the SMC2.0 administrator. Step 2 Choose Conference > Call. Step 3 In the Site name/IP address/Number text box, enter conference access number, for example, 0755100000159. Step 4 Set the call parameters. Their description is provided in Table 4-1.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface 4.2.2 Joining an HD Video Conference over an IMS Network The endpoint can join an HD video conference over an IP Multimedia Subsystem (IMS) network. Background Borne by the standard IP protocol, IMS uses VoIP applications based on the standard SIP applications of the 3GPP to provide fixed and mobile multimedia services for operators.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Table 4-2 Parameter description Parameter Description Setting Register with server Specifies whether your endpoint registers with an IMS server. Set this parameter to Enable. Only endpoints that have registered with IMS servers can join the IMS network.
TE20 Videoconferencing Endpoint Administrator Guide Parameter 4 Conference Operations Using the Web Interface Description Setting letters, and special characters, such as @ # %. User name Password Server type Transmissio n type SSL version Specify the user name and password that your endpoint uses to register with the IMS server. User name example: +8675584221069@huawei.co m The password you set here must be the same as that set on the IMS server beforehand.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Parameter Description Setting transmission reliability. UDP: Use the User Datagram Protocol (UDP) to implement transmission with reduced latency. TLS: Use Transport Layer Security (TLS) to implement transmission security. If you select this option, you can import a root certificate when your endpoint is sharing presentation or during some conferencing operations. For details, see 10.2.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Enter the required authentication information, such as the conference ID and password, as prompted. ----End 4.2.3 Joining a Third-Party Cloud Video Conference The endpoint can join HD video conferences initiated by a third-party cloud videoconferencing platform, for example, Videxio cloud videoconferencing platform (referred to as Videxio platform hereinafter).
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Step 4 (Optional) Choose Conference > Second Dial. Follow the IVR instructions to enter the password to join a conference, as shown in Figure 4-8. If the conference has a password, enter the password using the keypad. Figure 4-8 Entering the password ----End 4.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Icon Description other sites in the conference can hear the site. The site is being broadcast. The site is being viewed. The site is not in the conference. The site is in the conference. The site is sharing a presentation. The site is a H.323 PHONE, or SIP audio site. Table 4-4 lists the icons used to adjust the site display mode on the conference control page.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Figure 4-9 Entering the chair password Step 3 Click OK. When the icon is displayed, the site has become the chair site. ----End Broadcast Site The chair site can broadcast any video site, including the chair site itself. When a site is broadcast, all non-chair sites are forced to view the video of the broadcast site while the chair site can view the video of any site that is present at the conference.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Stop Broadcasting The chair site can use the Stop Broadcasting operation to stop site broadcast. After Stop Broadcasting is implemented, all conference sites can watch any other site. Step 1 Click Stop Broadcasting. Step 2 Select a conference site that is being broadcast. When the icon disappears, site broadcast has been terminated, as shown in Figure 4-11.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface ----End Call Site The chair site can place a call to a site that is not in the conference. The site joins the conference after answering the call. Step 1 Click Call Site. Step 2 Select a conference site. When the Figure 4-13.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Figure 4-14 A site that has been disconnected ----End Add Site After a conference starts, the chair site can still add sites into the conference. If a site is successfully added to the conference, the site becomes a participant in the conference. Step 1 Click Add Site. Step 2 To add sites from the local or LDAP address book or add sites that have not been defined in the address book.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Unmute Microphone If the microphone of a site is unmuted by the chair site, the site can be heard by the other sites in the conference. Step 1 Click Unmute Microphone. Step 2 Choose a site whose microphone is in state, and click the site name. When the icon is displayed, the microphone of the conference site has been unmuted, as shown in Figure 4-16.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Figure 4-17 Muting a microphone ----End Extend conference If a conference is not likely to be complete by the scheduled time, the chair site can extend the conference using the Extend Conference function. Extend the conference by 30 minutes at most at a time. Step 1 Click Extend Conference, as shown in Figure 4-18. Figure 4-18 Extending a conference Step 2 Set the extended duration, click OK.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface ----End 4.4 Starting Presentation To share the content on a computer, connect your computer to the endpoint. During presentation sharing, remote sites can watch the content shared on your computer screen. Prerequisites The presentation function is enabled, and the presentation parameters are set correctly. The endpoint has the presentation function enabled by default.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface The icon of the AirPresence client is displayed on the desktop when the installation is complete. Step 3 On the computer desktop, double-click . The AirPresence dialog box is displayed.
TE20 Videoconferencing Endpoint Administrator Guide 4 Conference Operations Using the Web Interface Prerequisites This parameter is available only after Answer mode is set to Auto. For details about how to set the answering mode, see 4.5 Setting the Answering Mode. Background If this function is enabled, the endpoint automatically mutes all the sound (such as microphone input) after being called to join a conference. Remote sites cannot hear the local sound.
TE20 Videoconferencing Endpoint Administrator Guide 5 Device Control 5 Device Control 5.1 Controlling Cameras You can control the camera of an endpoint on its web interface or remote control UI. 5.1.1 Using the Remote Control You can adjust local and remote cameras using the remote control. Adjusting the Focal Length You can use PTZ to zoom the local camera in or out. Step 1 Choose Camera to access the Camera screen, as shown in Figure 5-1.
TE20 Videoconferencing Endpoint Administrator Guide 5 Device Control Step 2 Press the side volume buttons to zoom in or out on video images shot by the camera. Press on the remote control to adjust the camera to its home position. ----End Controlling the PTZ You can pan, tilt, and zoom the local camera. Perform as follows: Step 1 Choose Camera to access the Camera screen, as shown in Figure 5-2. Figure 5-2 Camera screen Step 2 Press the arrow buttons on the remote control to pan or tilt the camera.
TE20 Videoconferencing Endpoint Administrator Guide 5 Device Control : Turns the camera upward, downward, leftward, and rightward. : Turns the camera forward. : Enlarges the image taken by a camera. : Zooms in on a scene. : Shrinks the image taken by a camera. : Zooms out on a scene. : Automatically adjusts the camera focus. Procedure Step 1 Choose Device Control > Device Control.
TE20 Videoconferencing Endpoint Administrator Guide 5 Device Control Prerequisites The computer desktop to be displayed as presentation has a resolution and refresh rate supported by the endpoint. For details about how to set video output parameters, see the Configuring Video Output section in the Web Online Help. Background Selecting video input sources If more than one video source is connected to an endpoint, you can specify a main video source and an auxiliary one.
TE20 Videoconferencing Endpoint Administrator Guide 5 Device Control Parameter Setting Output Adjustment Drag the slider to adjust the size of the output video. If your monitor specifications are low, and the video output from the endpoint does not display properly, set this parameter to fix the display issue. Before setting this parameter, make sure: The endpoint is connected to the monitor using a standard cable.
TE20 Videoconferencing Endpoint Administrator Guide 6 Address Book Management 6 Address Book Management On the web interface or remote control UI of the endpoint, you can perform operations on the address book, including adding sites and groups, querying and sorting sites, and importing or exporting the address book. The address book settings must be the same as those specified on the address book server; otherwise, the address book cannot be downloaded.
TE20 Videoconferencing Endpoint Administrator Guide 6 Address Book Management Parameter Description Setting Type Specifies the type of the line the site uses to access the videoconferencing network. The default value is H.323. Rate If you select IP, your endpoint will use the protocol set for Preferred IP protocol to call the site. If you set Category to CT site, the available value for Type is SIP. Specifies the data transmission rate of the line selected for the remote endpoint.
TE20 Videoconferencing Endpoint Administrator Guide 6 Address Book Management Parameter Description IP address addresses of the center, left, and right codec participants. Numbers are assigned to participants by a specific videoconferencing service vendor and used by them to set up calls.
TE20 Videoconferencing Endpoint Administrator Guide 6 Address Book Management Procedure Step 1 Choose Address Book > Address Book. Step 2 Click Add Group. In Name, enter the group name. Step 3 Select one or more sites and click . The selected sites are displayed under Group Members. To delete a site listed in Group Members, select the site and click , To delete all sites, click . Step 4 Click Save. The new group is listed in the address book. ----End 6.
TE20 Videoconferencing Endpoint Administrator Guide 6 Address Book Management From the site lists on some of these pages, you can click one of five letter ranges, , to display the sites whose names start with letters within that range. 6.4 Importing and Exporting Address Book From the endpoint web interface, you can export the local address book to the local computer or a server.
TE20 Videoconferencing Endpoint Administrator Guide 7 System File Management 7 System File Management On the endpoint web interface, you can manage system configurations or files, such as importing or exporting configurations and backing up configurations simply by one click. 7.1 Importing and Exporting Settings You can import or export settings on the endpoint web interface. After your endpoint is restored to its default settings, you can import previously exported settings.
TE20 Videoconferencing Endpoint Administrator Guide 7 System File Management 7.2 Backing Up Settings The administrator can use the One-Click Backup function to create a configuration backup file for your endpoint. If some parameter settings under System Settings are inadvertently deleted or changed, you can use this backup file to restore all settings under System Settings to the pre-backup settings.
TE20 Videoconferencing Endpoint Administrator Guide 7 System File Management Step 3 Enter the information about the CSR file, as shown in Table 7-1. Then click OK. Table 7-1 CSR file parameters Parameter Description Setting Common Name (CN) Specifies the name of the CSR file. No default value is set for this parameter. Organizational Unit (OU) Specifies the organizational unit to which the CSR file belongs. No default value is set for this parameter.
TE20 Videoconferencing Endpoint Administrator Guide 8 Operation UI Customization 8 Operation UI Customization You can customize the web interface, remotely controlled UI, and touch panel UI for your special conference control requirements. 8.1 Customizing the Web Interface On the endpoint web interface, you can customize the shortcut bar and desktop icons to be displayed on the web interface. Figure 8-1 shows the shortcut bar and desktop icons.
TE20 Videoconferencing Endpoint Administrator Guide 8 Operation UI Customization Figure 8-1 Shortcut bar and desktop icons (1) Shortcut bar (2) Desktop icons 8.1.1 Desktop Icons You can customize icons to be displayed on the home page of the endpoint web interface. Procedure Step 1 Choose System Settings > Display and click the User defined tab. Step 2 Click Desktop Icons and select the icons you want to display on the desktop. Step 3 Follow the onscreen instructions to complete your settings.
TE20 Videoconferencing Endpoint Administrator Guide 8 Operation UI Customization Procedure Step 1 Choose System Settings > Display and click the User defined tab. Step 2 Click Shortcut Bar Icons and select the icons you want to display in the shortcut bar. Step 3 Follow the onscreen instructions to complete your settings. To restore shortcut icons to the initial style, click Restore Initial Style. ----End 8.
TE20 Videoconferencing Endpoint Administrator Guide 9 Routine Maintenance 9 Routine Maintenance Perform routine maintenance on the endpoint to know its running status and detect its exceptions in time. 9.1 Maintenance Items Table 9-1 describes the maintenance items, tasks, and periods of the endpoint. Table 9-1 Maintenance items, tasks, and periods Maintenance Item Maintenance Task Maintenance Period Device indicators Check whether the device is working properly.
TE20 Videoconferencing Endpoint Administrator Guide 9 Routine Maintenance Maintenance Item Maintenance Task Maintenance Period critical exception occurs. 9.2 Checking the Indicator Status To ensure that your endpoint runs properly, check its indicator status regularly. Background By checking the status of indicators on the endpoint's front panel, you can know the endpoint's running status, for example, working properly, sleeping, and working at a high temperature.
TE20 Videoconferencing Endpoint Administrator Guide 9 Routine Maintenance Table 9-3 describes the items you need to check to ensure a sound operating environment. If any of the items goes beyond the specified range, power off the endpoint, improve the item to meet the requirement, and restart the endpoint.
TE20 Videoconferencing Endpoint Administrator Guide 9 Routine Maintenance 9.5 Checking the Connection Status To ensure that your endpoint runs properly, check its connection status regularly. Background The endpoint's cables may be loose or disconnected during its operation. The administrator needs to regularly check the connection status of the endpoint to ensure that it can connect to video conferences as expected.
TE20 Videoconferencing Endpoint Administrator Guide 9 Routine Maintenance Background Line status information includes: IPv4, IPv6, network port model, WLAN IP address, Whether to use GK and H.323 site numbers, Whether to use SIP site numbers, running time, and cloud platform activation and subscription status. Input port status information includes: built-in camera, PC IN port, USB port, and wireless connection status of presentation streams.
TE20 Videoconferencing Endpoint Administrator Guide 9 Routine Maintenance Step 2 Choose Maintenance > System Information. The System Information page is displayed. Step 3 Table 9-5describes the items to be checked. Table 9-5 Items to check Item Task Audio The audio codec capability works properly. Video The video codec capability works properly. Interface/Bandwidth Check network interfaces supported by the endpoint. Check the maximum network bandwidth supported by each interface.
TE20 Videoconferencing Endpoint Administrator Guide 9 Routine Maintenance After the restoration is complete, the endpoint will automatically restart. The settings under System Settings will be restored to those contained in the backup configuration file. Before upgrading the endpoint, it is recommended that you back up the settings under System Settings. If the upgrade fails, you can use the backup data to restore the system.
TE20 Videoconferencing Endpoint Administrator Guide 9 Routine Maintenance Prerequisites You have obtained the ESN of the endpoint that is to be restored to factory settings. Log in to the endpoint web interface and choose Help > Version. On the version information page, you will see the ESN of the endpoint. Background Before restoring the endpoint to its factory settings, back up its configuration file.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance 10 Security Maintenance To ensure proper and secure running of the telepresence system, you need to know application layer accounts and their default passwords and security maintenance methods, as well as security maintenance principles and policies at the system, network, and management layers. 10.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance System Layer Security maintenance of the system layer is to ensure a smooth operation of the operating system, which can support the operation of application software. Network Layer Security maintenance of the network layer is to ensure that network devices, such as the switch, router, and firewall, function properly and that security strategies are implemented at the network layer.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance The similarities of admin, and api accounts are as follows: The account and password can be used to log in to the web interface, Telnet, and SSH. Rights except user name and password change policies are the same: able to read and write other configuration items; and able to invoke all HTTP interfaces.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance To set the whitelist on the web interface, perform the following steps: 1. Choose System Settings > Whitelist. 2. Select Enable. If Enable is deselected, the whitelist is invalid. That is, all IP addresses are allowed to connect to the endpoint. You can modify the whitelist only after selecting Enable here. 3. Click Add and set IP address and Mask length. 4. Click OK. The settings take effect immediately.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Parameter Description Setting sends a session setup request to the ACS. 1800. It is recommended that this interval be shorter than the timeout period of the ACS. If this interval is longer than the timeout period, the ACS may be disconnected or the session status may not be updated in time after a session setup timeout.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Parameter Description Setting Address server. for this parameter. Obtain the value of this parameter from the STUN server administrator. STUN Server Port Specifies the port number used by the STUN server to provide the private and public network traversal service. The default value is 3478. STUN listen port Specifies the port provided by the endpoint for private and public service interaction with the STUN server.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Upgrade Password The upgrade password is required when you use the upgrade tool to upgrade the endpoint. By default, the upgrade password is Change_Me. You are advised to change the password at the first login and regularly change the password afterward. On the web interface, choose System Settings > Security > Upgrade password, and change the password.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Sets endpoint parameters, such as H.323 and SIP. Checks endpoint alarms. Backs up and restores endpoint settings. Upgrades the endpoint online. To remotely manage the endpoint from the videoconferencing network management system, log in to the web interface of the endpoint, choose System Settings > Network > SNMP Settings, and set SNMP parameters, as shown in Table 10-3.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Default Setting Parameter Description Remarks information reported by the endpoint. SNMPv3 Authenticati on information Issue 01 (2016-09-01) Authentication protocol SHA Indicates the authentication mode and password for connecting the videoconferencing network management system to your endpoint.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Default Setting Parameter Description Remarks endpoint. as those on the endpoint. When the videoconfere ncing network management system attempts to connect to your endpoint, Authenticati on protocol and Authenticati on password set on your endpoint are required.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Wi-Fi Hotspot Name Default Setting Description Remarks TEX0_wifi_ap The required password varies depending on your setting of Encryption mode. If you set Identity authentication mode to OPEN and Encryption mode to NONE, the Wi-Fi network provided is open to everyone. In other circumstances, the default password is Change_Me. To ensure account security, do not set Identity authentication mode to OPEN.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance During startup, press and hold Power and RST buttons at the same time for 5s to restore to factory defaults. 10.2.3 Configuring Encryption You can enable encryption to improve video communication security. Background On an IP network that is neither quality-guaranteed nor secure, encryption can be used to increase the video communication security, but may decrease communication efficiency.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance If the security certificate is invalid, click Continue to this website to resume the login. Figure 10-1 Web login page Step 3 Enter the user name and password. Select a language. Step 4 Click Log In, or press Enter. To ensure data security, after accessing the web interface, close the browser and delete browser caches.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Allows the user to submit the log out application. When you have logged in to the web interface, you can click Exit in the upper right corner. The login interface is displayed. Allows at most 10 users to use the same or different accounts to log in to the web interface concurrently.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Figure 10-2 PuTTY Configuration dialog box Step 2 In Host Name (or IP address), enter the IP address, such as 10.10.10.1. Step 3 Select SSH for Protocol. Use the default value for Port. Step 4 Click Open. Step 5 Enter the user name and password and run the commands. For details, see the Command Reference of the product. For default Telnet and SSH user names and passwords, see 10.2.1 Application Layer Account List. ----End 10.2.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Step 2 On the Logs page, click Export. Step 3 Click Save in the displayed dialog box. Step 4 Choose the folder to save the logs and click Save. Step 5 Open the exported logs using the Internet Explorer. ----End 10.2.8 Enabling FTPS The endpoint supports File Transfer Protocol over SSL (FTPS) and File Transfer Protocol (FTP). To improve communication security, enable FTPS.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Figure 10-3 Connect to Server dialog box Step 4 Choose Edit > Settings. Step 5 Click SSL/TLS settings in the left column and select Enable FTP over SSL/TLS support (FTPS), click Browse to import the certificate, and click OK, as shown in Figure 10-4. Before importing a certificate, make sure it is issued by a security authority to prevent security risks. If no certificate is available, click Generate new certificate.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Figure 10-5 Adding a user Step 7 Click Add to add a user. Select Enable account and Password and enter the Password. Step 8 Click Shared folders under Page, then click Add, and set the path for the user root directory of FTPS server, as shown in Figure 10-6. Issue 01 (2016-09-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Figure 10-6 Specifying the path for the user root directory of FTPS server Step 9 Click OK. ----End 10.2.10 Managing Certificates You can import server and CA certificates into your endpoint on the web interface. These certificates can be used to identify users, certificate authorities, and servers to improve communication security.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance The Import Certificate dialog box is displayed. Step 3 Click Select File to select the certificate you want to import. Step 4 Select the desired certificate type. Step 5 Click Import. Step 6 Click Return when OK is displayed. After adding a certificate, you can delete it or view its details. For a server certificate, you can also enable or disable the HTTPS, SIP, and 802.1X services for it. ----End 10.2.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Step 3 Click OK. The endpoint restarts. ----End 10.2.12 Importing and Exporting Settings You can configure endpoints in batches by importing the configuration file on the web interface (exporting supported also) or from a USB device. Importing and Exporting Settings on the Web Interface You can import or export settings on the endpoint web interface to a configuration file.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance 10.3 System Layer Security Security maintenance of the system layer is to ensure a smooth operation of the operating system, which can support the operation of application layer. The endpoint uses Linux, which is more secure and immune to viruses than Windows. Patches are released regularly. To improve system security, it is recommended that users download latest patches at http://e.huawei.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Figure 10-7 TE20 security network Over the network: On this network, the endpoint is connected to the Multipoint Control Unit (MCU) through the private network, which connects to different networks through different ports. The endpoint on the private or public network can join the conference even if the call protocol or the firewall settings (such as enabled ports) are not changed. 10.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance 10.5.1 Principles of System Maintenance Security It is recommended that you comply with account management, permission management, and auditing principles to ensure system maintenance security. Account Management Manage the accounts strictly. Control the permissions of accounts of different levels. Only users of higher levels can change the passwords for users of lower levels.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Backing Up Logs Regularly Back up logs regularly by exporting them manually and store the logs on devices, such as the disc, tape, or compact disc. The system supports a maximum of 80 MB logs. Once the size of logs exceeds 80 MB, new logs will replace the old ones. In this case, users must back up timely. 10.5.
TE20 Videoconferencing Endpoint Administrator Guide 10 Security Maintenance Disable protocols that may impose attacks, such as Telnet and SSH. By default, Telnet and SSH are disabled. To prevent devices from attacks, it is recommended Telnet and SSH be disabled. To disable Telnet and SSH, on the endpoint web interface, choose System Settings > Security > SSH/Telnet and set both SSH and Telnet login to Do not allow.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting 11 Troubleshooting This chapter describes how to diagnose and troubleshoot endpoint faults. 11.1 Fault Diagnosis The endpoint supports the following diagnosis methods: sound and color bar tests, loopback tests, network tests, one-click diagnosis, signaling diagnosis, and tracert. 11.1.1 Fault Diagnosis Model Figure 11-1 shows the diagnosis model for your endpoint.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting Local camera → 3 → 5 → Communications network → 6 → 9 → Remote monitor Local display ← 4 ← 5 ← Communications network ← 6 ← 10 ← Remote camera 11.1.2 Fault Diagnosis Methods With the diagnosis file functions on your endpoint, you can perform sound, color bar, loopback, network tests, one-click diagnosis, signaling packet capture, and route test. You can use either of one-click trace diagnosis and signaling diagnosis at a time.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting Sound test: Choose Maintenance > Diagnostics. On the Diagnostics page, click Sound Test. While the test audio stored on your endpoint plays, check the sound quality. Color bar test: Choose Maintenance > Diagnostics. On the Diagnostics page, click Color Bar Test. Seven color bars are shown on the display for you to check the color quality.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting In IP address, enter an IP address that is in a different network segment from your endpoint IP address. Then click Start. If the test succeeds, the gateway settings and IP address of your endpoint are correct. If your endpoint is on a private network, in IP address, enter a public IP address. Then click Start. If the test succeeds, the gateway settings, NAT address, and IP address of your endpoint are correct.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting If you have selected Error report, a dialog box will be displayed on the remote control UI after you click Download. In this case, select Yes. Then, the system starts downloading the diagnosis file. ----End Signaling Diagnostics Web administrators and API users can perform signaling diagnosis and export the diagnosis file from the endpoint web interface. The diagnosis file helps with fault identification.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting Problem Possible Cause Solution images. address has not been added to the list of trusted sites. and then Sites. 3. In Add this Web site to the zone, enter your endpoint IP address. Then click Add. 4. Click OK. Button text is not fully displayed. Internet Explorer is set to ignore the font styles specified on web pages. In this case, the font specified by your endpoint cannot be recognized. 1.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting 11.2.3 Video Table 11-7 lists the troubleshooting methods for video problems. Table 11-7 Methods for troubleshooting video problems Problem Possible Cause Solution While the endpoint is powered on and not in a conference, the display device does not display the remote controlled UI or the video of your site. The display device is powered off. Power on the display device. The video channel of the display device is incorrect.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting Problem Possible Cause Solution of any remote site. If the remote video is displayed as a blue screen, the remote site is blocking its video by sending a blue screen. Contact the remote site administrator to resolve this problem. The video output port is set to display the video of your site. Set the video output port to display the video of a remote site. Local video is turned off by a remote site.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting Problem Possible Cause Solution conference, the video of a remote site can be displayed continuously but the video quality is not satisfactory. test. If the video quality is good, the video frame rate set at the remote site is too high. join the conference again. Ask the administrator of the remote site to perform video loop and check video image quality.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting 11.2.4 Audio Table 11-8 lists the troubleshooting methods for audio problems. Table 11-8 Methods for troubleshooting audio problems Problem Possible Cause Solution Current noise is generated when the endpoint's audio output ports are connected to audio devices, such as speakers, tuning consoles, and audio matrices. Disconnect the endpoint's audio output ports from the audio devices. Check whether the problem is rectified.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting Problem Possible Cause Solution device. While the endpoint is in use during a conference, only the sound from your site can be delivered from the display device and you cannot hear other sites. A loopback test is being performed at your site. The audio cable is connected insecurely. In this case, reconnect the audio cable to the endpoint. Stop all local and remote loopback tests. 11.2.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting Problem Possible Cause Solution endpoint is steady green. 2. On the configuration wizard screen of the remotely controlled UI, set IP network parameters correctly. Your site cannot place a call to a remote site using the IP address of the remote site. After the endpoint starts, it fails to register with the GK. Issue 01 (2016-09-01) The local or remote endpoint is not connected to an IP network. 1.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting Problem Possible Cause Solution network. network. Specifically, the LAN indicator on the rear panel of the endpoint is steady green. 2. On the configuration wizard screen of the remotely controlled UI, set IP network parameters correctly. 1. Verify that the endpoint is connected to an IP network. Specifically, the LAN indicator on the rear panel of the endpoint is steady green. 2.
TE20 Videoconferencing Endpoint Administrator Guide 11 Troubleshooting Problem Possible Cause during a conference, you cannot view the desired site. all the sites must view that site except the chair site and broadcast site. Issue 01 (2016-09-01) Solution No video is sent from the site you want to view. Ask the related site administrator to troubleshoot the site video. The View Site function is restricted on the RM or the SMC2.0.
TE20 Videoconferencing Endpoint Administrator Guide A A Icons on the Remotely Controlled UI Icons on the Remotely Controlled UI The icons provided on the user interface indicate the status and settings of the system, helping you quickly understand system status and complete tasks. Table A-1 lists concerned icons that display the connection status in the upper right corner of the remotely controlled UI. Before initiating a conference, check the status of these icons.
TE20 Videoconferencing Endpoint Administrator Guide Icon Issue 01 (2016-09-01) A Icons on the Remotely Controlled UI Name Indicates… Encrypted conference The current conference is an encrypted conference (with media streams encrypted). Chair The local site is the chair site. Presentation sharing on the local site The local site is sharing a presentation. Presentation sharing on a remote site A remote site is sharing a presentation.
TE20 Videoconferencing Endpoint Administrator Guide B B Requirements on Room Layout and Lighting Requirements on Room Layout and Lighting When using the endpoint, pay attention to your sitting posture to avoid problems associated with your back. Do not stare at the monitor screen for a long time. This may harm your eyes or blur your vision. Layout Precautions Ensure that there are no large or moving objects behind you. Otherwise, the video cannot be viewed clearly.
TE20 Videoconferencing Endpoint Administrator Guide C Default Accounts C Default Accounts To better use your endpoint, get to know the default values of common user names and passwords, default IP addresses. To ensure account security, you are advised to change the password at the first login and regularly change the password afterward. Table C-1 lists the default user names and passwords for the endpoint.
TE20 Videoconferencing Endpoint Administrator Guide C Default Accounts Item Default Setting endpoint through SNMP V3 Wi-Fi hotspot name and password Authentication password Change_Me. Encryption protocol AES. Encryption password Change_Me. SSID Number TEX0_wifi_ap. Password Change_Me. AirPresence desktop password Change_Me. CPE CPE user name admin. CPE password Change_Me Issue 01 (2016-09-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
TE20 Videoconferencing Endpoint Administrator Guide D Safety Precautions D Safety Precautions For safety purposes, carefully read through these safety precautions and observe them during operation. Basic Precautions Keep the device dry and secure from collision during storage, transportation, and operation of the device. Do not attempt to dismantle the device by yourself. In case of any fault, contact the appointed maintenance center for assistance or repair.
TE20 Videoconferencing Endpoint Administrator Guide D Safety Precautions Ensure that the device does not get wet. If water gets into the device, disconnect the power supply immediately and unplug all the cables connected to the device, including the power cable, telephone cable, video cable, audio cable, network cable, and serial cable, and then contact the appointed maintenance center. Before plugging or unplugging any cable, shut down the device and disconnect the power supply.
TE20 Videoconferencing Endpoint Administrator Guide D Safety Precautions If the battery fluid comes in contact with your skin or clothes, rinse with water immediately and seek medical assistance. If the battery fluid goes into your eyes, do not rub your eyes. Rinse your eyes with water immediately and seek medical assistance.
TE20 Videoconferencing Endpoint Administrator Guide D Safety Precautions The endpoint complies with Directive 2002/95/EC, 2011/65/EU and other similar regulations from the countries outside the European Union, on the RoHS in electrical and electronic equipment.
TE20 Videoconferencing Endpoint Administrator Guide D Safety Precautions The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user authority to operate the equipment. This device has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.
TE20 Videoconferencing Endpoint Administrator Guide E Glossary E Glossary Numerics 802.1X An access control and authentication protocol based on the client/server mode. It can prevent unauthorized users/equipment from accessing the LAN/WLAN through an access port. After a client (STA) is associated with an AP, the 802.1X authentication result determines whether the STA can use the wireless services provided by the AP. If the STA passes the authentication, the STA can access the resources in the WLAN.
TE20 Videoconferencing Endpoint Administrator Guide Protocol (DHCP) E Glossary to participate on the Internet network. DHCP also provides a mechanism for allocating IP addresses to hosts. F FTP File Transfer Protocol FTPS See File Transfer Protocol over SSL. File Transfer Protocol over SSL (FTPS) An extension to the commonly used File Transfer Protocol (FTP) that adds support for the Transport Layer Security (TLS) and the Secure Sockets Layer (SSL) cryptographic protocols. G G.
TE20 Videoconferencing Endpoint Administrator Guide E Glossary IPv4 See Internet Protocol version 4. IPv6 See Internet Protocol version 6. Internet Protocol version 4 (IPv4) The current version of the Internet Protocol (IP). IPv4 utilizes a 32bit address which is assigned to hosts. An address belongs to one of five classes (A, B, C, D, or E) and is written as 4 octets separated by periods and may range from 0.0.0.0 through to 255.255.255.255.
TE20 Videoconferencing Endpoint Administrator Guide E Glossary Control information about each device is maintained by a management information block. service set identifier (SSID) SSID can divide a wireless LAN into multiple subnets, and perform separate identity authentication on each subnet. Only the users passed the authentication can access the corresponding subnet. T TCP See Transmission Control Protocol.
