Yealink MeetingBar A20 Administrator's Manual
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Yealink MeetingBar A20 Administrator's Manual

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Yealink Teams MeetingBar A20
Administrator Guide V15.62

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  • Page 1 Yealink Teams MeetingBar A20 Administrator Guide V15.62...

  • Page 2: Table Of Contents

    | Contents | ii Contents Introduction....................6 Related Documentations........................6 Typographic and Writing Conventions....................6 Recommended References......................... 7 Summary of Changes......................... 7 Changes for Guide Version 15.80.................... 7 Changes for Guide Version 15.71.................... 7 Changes for Guide Version 15.60.................... 7 Changes for Guide Version 15.52.................... 8 Getting Started.....................8 Initialization Process Overview......................8 Loading the ROM File......................
  • Page 3 | Contents | iii 802.1x Authentication........................26 802.1x Authentication Configuration..................27 Quality of Service (QoS)........................28 QoS Configuration........................28 Maximum Transmission Unit (MTU)....................29 MTU Configuration........................29 Proxy Server............................30 Proxy Server Configuration....................30 Device Provisioning...................33 Provisioning Points to Consider......................33 Boot Files, Configuration Files, and Resource Files.................34 Boot Files..........................34 Configuration Files........................
  • Page 4 | Contents | iv Time and Date Manual Configuration..................68 Time and Date Format Configuration..................69 Tones..............................70 Supported Tones........................70 Tones Configuration........................ 70 Security Features..................71 User and Administrator Identification....................71 User and Administrator Identification Configuration............... 71 Transport Layer Security (TLS)......................72 Supported Cipher Suites......................72 Supported Trusted and Server Certificates................
  • Page 5 Troubleshooting Solutions..............104 IP Address Issues........................... 105 The device does not get an IP address................105 IP Conflict..........................105 Specific format in configuring IPv6 on Yealink devices............105 Time and Date Issues........................105 Display time and date incorrectly..................105 Display Issues..........................106 The device LCD screen blank....................106 The device displays “Offline”....................

  • Page 6: Introduction

    • User Guides, describe how to configure and use the basic and advanced features available on the devices via the endpoint. For support or service, please contact your Yealink reseller or go to Yealink Technical Support online: http:// support.yealink.com/. Typographic and Writing Conventions Yealink documentations contain a few typographic conventions and writing conventions.

  • Page 7: Recommended References

    For more information on configuring and administering other Yealink products not included in this guide, Yealink Technical Support. refer to the product support page at To access the latest Release Notes or other guides for Yealink devices, refer to the Document Download Yealink Technical Support. page for your device at If you want to find Request for Comments (RFC) documents, type http://www.ietf.org/rfc/rfcNNNN.txt (NNNN...

  • Page 8: Changes For Guide Version 15.52

    | Getting Started | 8 Changes for Guide Version 15.52 MeetingBar A30 is new to this guide. Major updates have occurred to the following sections: • Adjusting the White Balance • Adjusting the Exposure • Adjusting the Camera Display Image •...

  • Page 9: Contacting The Provisioning Server

    Yealink offers MeetingBar A20/A30 devices configured for use with Microsoft Teams. By default, the device has a built-in Teams feature license, which allows users to use Yealink devices with Teams features directly. If the device has not imported a license yet, the screen will be shown as below:...

  • Page 10: Importing License Via The Web User Interface

    = http://192.168.1.20/License_$MAC.dat The devices will replace the characters “$MAC” with their MAC addresses during auto provisioning. For example, the MAC address of one MeetingBar A20/A30 Teams device is 00156543EC97. When performing auto provisioning, the device will request to download the License_00156543ec97.dat file from the provisioning server address “http://192.168.1.20”.

  • Page 11: Device Network

    | Device Network | 11 Device Network Yealink Teams devices operate on an Ethernet local area network (LAN). You can configure the local area network to accommodate many network designs, which varies by organizations and Yealink Teams devices. • IPv4 and IPv6 Network Settings •...

  • Page 12: Ipv4 Configuration

    | Device Network | 12 IPv4 Configuration The following table lists the parameters you can use to configure IPv4. Parameter static.network.internet_port.type <MAC>.cfg Description It configures the Internet port type for IPv4. Note: It works only if “static.network.ip_address_mode” is set to 0 (IPv4) or 2 (IPv4 & IPv6).
  • Page 13 | Device Network | 13 <MAC>.cfg Parameter static.network.internet_port.gateway Description It configures the IPv4 default gateway. Note: It works only if “static.network.ip_address_mode” is set to 0 (IPv4) or 2 (IPv4 & IPv6), and "static.network.internet_port.type" is set to 2 (Static IP). Permitted Values IPv4 Address Default Blank Web UI...

  • Page 14: Ipv6 Configuration

    | Device Network | 14 Description It configures the secondary IPv4 DNS server. Note: It works only if “static.network.ip_address_mode” is set to 0 (IPv4) or 2 (IPv4 & IPv6). In DHCP environment, you also need to make sure “static.network.static_dns_enable" is set to 1 (On). Permitted Values IPv4 Address Default Blank...
  • Page 15 | Device Network | 15 Description It configures the IPv6 address. Note: It works only if “static.network.ip_address_mode” is set to 1 (IPv6) or 2 ( IPv4 & IPv6), and "static.network.ipv6_internet_port.type" is set to 1 (Static IP). Permitted Values IPv6 Address Default Blank Web UI...
  • Page 16 | Device Network | 16 Permitted Values 0-Off, the device will use the IPv6 DNS obtained from DHCP. 1-On, the device will use manually configured static IPv6 DNS. Default Web UI Network > LAN Configuration > IPv6 Config > Static IPv6 DNS Phone UI More >...

  • Page 17: Dhcp Option For Ipv4

    | Device Network | 17 Endpoint More > Settings > Device Settings > Network (default password: 0000) > Ethernet > IPv6 Type > DHCP(Off) > IPv6 Sec DNS Or More > Settings > Device Settings > Network (default password: 0000) > Ethernet >...

  • Page 18: Dhcp Option 160 And Option 161

    DHCP Option 160 and Option 161 Yealink Teams devices support obtaining the provisioning server address by detecting DHCP custom option during startup. If DHCP Option 66 is not available, you can use custom option (160 or 161) with the URL or IP address of the provisioning server.

  • Page 19: Dhcp Option 42 And Option 2

    INFORM query process will retry and until the time is out. DHCP Option 42 and Option 2 Yealink Teams devices can use the NTP server address offered by DHCP. DHCP option 42 is used to specify a list of NTP servers available to the client by IP address. NTP servers should be listed in order of preference.

  • Page 20: Dhcp Option For Ipv6

    The Teams device can obtain IPv6-related parameters in an IPv6 network via the DHCP option. • Supported DHCP Option for IPv6 Supported DHCP Option for IPv6 The following table lists common DHCP options for IPv6 supported by Yealink Teams devices. Parameters DHCP Option Description...

  • Page 21: Lldp Configuration

    | Device Network | 21 LLDP Configuration LLDP (Linker Layer Discovery Protocol) is a vendor-neutral Link Layer protocol, which allows devices to receive and/or transmit device-related information from/to directly connected devices on the network that are also using the protocol, and store the information about other devices. When the LLDP feature is enabled on the devices, the devices periodically advertise their information to the directly connected LLDP-enabled switch.

  • Page 22: Dhcp Vlan Configuration

    If you change this parameter, the device will reboot to make the change take effect. DHCP VLAN Configuration Yealink Teams devices support VLAN discovery via DHCP. When the VLAN discovery method is set to DHCP, the device will examine the DHCP option for a valid VLAN ID. The predefined option 132 is used to supply the VLAN ID by default.

  • Page 23: Vlan Change Configuration

    | Device Network | 23 Web UI Network > Advanced > DHCP VLAN > Active Parameter static.network.vlan.dhcp_option <y0000000000xx>.cfg Description It configures the DHCP option from which the device obtains the VLAN settings. You can configure at most five DHCP options and separate them by commas. Permitted Values Integer from 1 to 255 Default...
  • Page 24 | Device Network | 24 Description It activates or deactivates the Wi-Fi mode. Note: It works only if “static.wifi.function.enable” is set to 1 (Enabled). Permitted Values 0-Disabled 1-Enabled Default Web UI Network > Wi-Fi > Wi-Fi Endpoint More > Settings > Device Settings > Wi-Fi (default password: 0000) > Wi-Fi Parameter static.wifi.X.label <y0000000000xx>.cfg...
  • Page 25 | Device Network | 25 Description It configures the encryption type of a specific wireless network. If "static.wifi.X.security_mode" is set to NONE, the permitted value of this parameter is NONE. If "static.wifi.X.security_mode" is set to 802.1x EAP, the permitted values of this parameter are PEAP, TLS, TTLS, or PWD.

  • Page 26: Internet Port

    Network > Advanced > Port Link > WAN Port Link If you change this parameter, the device will reboot to make the change take effect. 802.1x Authentication Yealink Teams IP Phones support the following protocols for 802.1X authentication: • EAP-MD5 •...

  • Page 27: 802.1X Authentication Configuration

    | Device Network | 27 802.1x Authentication Configuration The following table lists the parameters you can use to configure 802.1x authentication. Parameter static.network.802_1x.mode <y0000000000xx>.cfg Description It configures the 802.1x authentication method. Permitted Values 0-Disabled, 802.1x authentication is not required. 1-EAP-MD5 2-EAP-TLS 3-EAP-MSCHAPv2 4-EAP-TTLS/EAP-MSCHAPv2...

  • Page 28: Quality Of Service (Qos)

    | Device Network | 28 Description It configures the access URL of the device certificate. The format of the certificate must be *.pem. Note: It works only if “static.network.802_1x.mode” is set to 2 (EAP-TLS). Permitted Values URL within 511 characters Default Blank Web UI...

  • Page 29: Maximum Transmission Unit (Mtu)

    | Device Network | 29 Permitted Integer from 0 to 63 Values Default Web UI Network > Advanced > QoS > Audio Priority Endpoint More > Settings > Device Settings > Network > QoS > Audio priority(0-63) Parameter static.network.qos.videotos <y0000000000xx>.cfg Description It configures the DSCP (Differentiated Services Code Point) for video packets.

  • Page 30: Proxy Server

    | Device Network | 30 <y0000000000xx>.cfg Parameter video.single_packet_mode.enable Description It enables or disables the restricted single packet mode. Note: Some third-party devices only accept the data packets sent by single packet mode. If local system sends data packets by using multiple packets mode, the video call may be come with the mosaic.
  • Page 31 | Device Network | 31 <y0000000000xx>.cfg Parameter static.network.proxy.hostname Description It configures the IP address or domain name of the proxy server. Note: It works only if "static.network.proxy.mode" is set to 1 (Enabled). Permitted Values String within 99 characters Default Blank Web UI Network >...
  • Page 32 | Device Network | 32 Endpoint More > Settings > Device Settings > Proxy (default password: 0000) > Proxy > Proxy domain name to test proxy configurations Parameter static.network.proxy.enable <y0000000000xx>.cfg Description It enables or disables the proxy server authentication. Note: It works only if "static.network.proxy.mode" is set to 1 (Enabled). Permitted Values 0-Disabled 1-Enabled...

  • Page 33: Device Provisioning

    | Device Provisioning | 33 Permitted Values 0-IP: Port, enter the IP address and port manually. 1-PAC URL, enter the PAC URL manually. 2-PAC File, upload PAC file directly. Default Web UI Network > Proxy > Proxy > WPAD > Proxy Set From Endpoint More >...

  • Page 34: Boot Files, Configuration Files, And Resource Files

    You can use boot files, configuration files, and resource files to configure device features and apply feature settings to devices. You can create or edit these files using a text editor such as UltraEdit. You can ask the distributor or Yealink FAE for template files. You can also obtain the template files online: https://support.yealink.com/en/portal/home.
  • Page 35 [$MODEL] The [$MODEL] can be added to specify settings for specific phone models. $MODEL represents the device model name. The valid device model name is: MeetingBar A20/A30. overwrite_mode Enable or disable the overwrite mode. The overwrite mode applies to the configuration files specified in the boot file.

  • Page 36: Configuration Files

    Related information Boot File Attributes Configuration Files Yealink devices support two configuration template files: Common CFG file and MAC-Oriented CFG file. These configuration files contain two kinds of parameters: • Static: The parameters start with a prefix “static.”, for example, static.network.lldp.enable .
  • Page 37 | Device Provisioning | 37 MAC CFG File Yealink devices support two MAC CFG file: MAC-Oriented file and MAC-local CFG file, which are both named after the MAC address of the device. For example, if the MAC address of a device is 00156574B150, the name of MAC-Oriented CFG file is 00156574b150.cfg (lowercase), and the name of...

  • Page 38: Resource Files

    | Device Provisioning | 38 Clearing MAC-local CFG File When the device is given to a new user but many personalized configuration settings configured by the last user are saved on the device; or when the end user encounters some problems because of the wrong configurations, you can clear the user’s personalized configuration settings.

  • Page 39: Files Download Process

    • Supported Resource Files Supported Resource Files Yealink supplies some template of resource files for you, so you can directly edit the files as required. The following table lists the resource files Yealink supplies: Template File File Name...

  • Page 40: Provisioning Methods

    | Device Provisioning | 40 Note: The parameter “specific_model.excluded_mode” determines which configuration files referenced in the boot file to be downloaded. Provisioning Methods Teams devices can be configured using the following methods with your provisioning server: Central Provisioning: configuration files stored on a central provisioning server. •...
  • Page 41 4. Click Login. Web Server Type Configuration Yealink Teams devices support both HTTP and HTTPS protocols for accessing the web user interface. You can configure the web server type. Web server type determines the access protocol of the web user interface.
  • Page 42 | Device Provisioning | 42 Description It enables or disables the user to access the web user interface of the device using the HTTPS protocol. Permitted 0-Disabled Values 1-Enabled Default Web UI Network > Advanced > Web Server > HTTPS Endpoint More >...

  • Page 43: Central Provisioning

    | Device Provisioning | 43 <MAC>-non-static.cfg: It contains all changes associated with the non-static parameters made via the • endpoint, web user interface and using configuration files. • <MAC>-config.cfg: It contains the changes associated with the non-static parameters made using configuration files.
  • Page 44 | Device Provisioning | 44 Default Web UI Setting > Auto Provision > Power On Parameter static.auto_provision.repeat.enable <y0000000000xx>.cfg Description It triggers the repeatedly feature to on or off. Permitted Values 0-Off 1-On Default Web UI Setting > Auto Provision > Repeatedly Parameter static.auto_provision.repeat.minutes <y0000000000xx>.cfg...

  • Page 45: Setting Up A Provisioning Server

    Supported Provisioning Protocols • Supported Provisioning Server Discovery Methods • Configuring a Provisioning Server Supported Provisioning Protocols Yealink devices support several transport protocols for provisioning: • Trivial File Transfer Protocol (TFTP) • File Transfer Protocol (FTP) • Hyper Text Transfer Protocol – Secure (HTTPS) •...

  • Page 46: Supported Provisioning Server Discovery Methods

    | Device Provisioning | 46 Supported Provisioning Server Discovery Methods After the device has established network settings, it must discover a provisioning server to obtain software updates and configuration settings. The device supports the following methods to discover the provisioning server address: DHCP: DHCP option can be used to provide the address or URL of the provisioning server to the •...

  • Page 47: Configuring A Provisioning Server

    Provisioning Devices on the Microsoft Teams Admin Center Microsoft Teams Admin Center allows administrators to efficiently realize centralized management for Yealink Teams devices. With the device management platform, you can customize configuration profiles and update all of your devices that are used.

  • Page 48: Device Management

    | Provisioning Devices on the Microsoft Teams Admin Center | 48 Note: You can only manage the devices that login with the online accounts which has opened Microsoft Teams Admin Center services. • Device Management • Configuration Profiles Management Device Management You can monitor and manage your devices directly on the Microsoft Teams Admin Center.

  • Page 49: Viewing The Device Details

    | Provisioning Devices on the Microsoft Teams Admin Center | 49 Procedure 1. Select Teams Devices. 2. Select a desired classification of devices. 3. Click at the top-right of the device list. 4. Turn on or turn off the table elements. 5.

  • Page 50: Restarting Your Devices

    | Provisioning Devices on the Microsoft Teams Admin Center | 50 Restarting Your Devices Procedure 1. Select Teams Devices. 2. Select a desired classification of devices. 3. Click desired devices in the All xxx list. 4. Click Restart at the top of the device list. It will prompt "The selected device will be restarted.

  • Page 51: Firmware Upgrade

    It supports the bundle upgrade for audio pack when upgrading the firmware - no need for user to have a tool to manage CP900. Do not unplug the CP900 USB cable from MeetingBar A20/A30 when the device is upgrading firmware. If the upgrade fails, please contact the Yealink support team.

  • Page 52: Device Customization

    Teams devices support multiple languages. Languages used on the endpoint and web user interface can be specified respectively as required. You can ask the distributor or Yealink FAE for language packs. You can also obtain the language packs online: http://support.yealink.com/documentFront/forwardToDocumentFrontDisplayPage.

  • Page 53: Language Display Configuration

    On the top right corner of the web user interface Language Customization You can customize the language file to display on the endpoint or web user interface. You can ask the distributor or Yealink FAE for language packs. You can also obtain the language packs online: http://support.yealink.com/documentFront/forwardToDocumentFrontDisplayPage.
  • Page 54 | Device Customization | 54 Note: The newly added language must be supported by the font library on the device. If the characters in the custom language file are not supported by the device, the device will display “?” instead. •...
  • Page 55 | Device Customization | 55 2. Modify the characters within the double quotation marks on the right of the equal sign. Do not modify the item on the left of the equal sign. The following shows a portion of the language pack “000.GUI.English.lang” for the endpoint: 3.
  • Page 56 | Device Customization | 56 Default Blank Language for Web Display Customization You can modify the language file or add a new language for web display. You can also customize the note language pack. The note information is displayed in the icon of the web user interface.
  • Page 57 | Device Customization | 57 2. Modify the text of the note field. Do not modify the note name. The following shows a portion of the note language pack “1.English_note.xml” for the web user interface: 3. Save the language pack and place it to the provisioning server. Custom Language for Web Display Configuration If you want to add a new language (for example, Wuilan) to devices, prepare the language file named as “14.Wuilan.js”...

  • Page 58: Example: Setting A Custom Language For Device Display

    | Device Customization | 58 Description It deletes the specified or all custom web language packs and note language packs of the web user interface. Permitted Values http://localhost/all or http://localhost/Y.name.js Default Blank Example: Setting a Custom Language for Device Display The following example shows the configuration for uploading custom language files “015.GUI.English_15.lang”...

  • Page 59: Time And Date

    | Device Customization | 59 Permitted 0-Always On Values 15-15s 30-30s 60-1min 120-2min 300-5min 600-10min 900-15min 1200-20min 1800-30min 2700-45min 3600-1h Default Web UI Setting > General > General Information > Backlight Time Endpoint More > Settings > Device Settings > Display > Backlight Time Time and Date Teams devices maintain a local clock.
  • Page 60 | Device Customization | 60 Time Time Zone Id Time Zone Time Time Zone Id Time Zone Name Zone Name Zone America/ Pacific Time Europe/Moscow Moscow, St. Los_Angeles (US & Canada) Petersburg, Volgograd (RTZ 2) America/Tijuana Baja California Africa/Nairobi Nairobi America/Mazatlan Chihuahua, La +4:30...
  • Page 61 | Device Customization | 61 Time Time Zone Id Time Zone Time Time Zone Id Time Zone Name Zone Name Zone America/ Buenos Aires Asia/Jakarta Bangkok, Hanoi, Buenos_Aires Jakarta America/Cayenne Cayenne, Asia/Krasnoyarsk Krasnoyarsk (RTZ Fortaleza America/Fortaleza Cayenne, Asia/Shanghai Beijing, Chongqing, Fortaleza Hong Kong, Urumqi America/Godthab...
  • Page 62 | Device Customization | 62 Time Time Zone Id Time Zone Time Time Zone Id Time Zone Name Zone Name Zone Europe/Rome Amsterdam, Australia/Hobart Hobart Berlin, Bern, Rome, Stockholm, Vienna Europe/Stockholm Amsterdam, Asia/Magadan Magadan Berlin, Bern, Rome, Stockholm, Vienna Europe/Budapest Belgrade, Asia/Vladivostok Vladivostok,...

  • Page 63: Ntp Settings

    | Device Customization | 63 Time Time Zone Id Time Zone Time Time Zone Id Time Zone Name Zone Name Zone Asia/Beirut Beirut +8:45 Australia/Eucla Eucla Africa/Cairo Cairo Asia/Gaza Gaza Asia/Damascus Damascus Europe/ Luxembourg Luxembourg Europe/Chisinau E. Europe Atlantic/Canary Spain-Canary Islands Africa/Harare Harare, Pretoria -4...
  • Page 64 | Device Customization | 64 Web UI Setting > Date&Time > Primary Server Endpoint More > Settings > Device Settings > Time & Date > General > NTP Server1 Parameter local_time.ntp_server2 <MAC>.cfg Description It configures the IP address or the domain name of the NTP server 2. If the NTP server 1 is not configured (configured by the parameter “local_time.ntp_server1”) or cannot be accessed, the device will request the time and date from the NTP server 2.

  • Page 65: Dst Settings

    Auto DST File Customization • DST Configuration Auto DST File Customization Before customizing, you need to obtain the AutoDST file. You can ask the distributor or Yealink FAE for DST template. You can also obtain the DST template online: http://support.yealink.com/documentFront/ forwardToDocumentFrontDisplayPage.
  • Page 66 | Device Customization | 66 Customizing Auto DST File Procedure 1. Open the AutoDST file. 2. To add a new time zone, add <DST szTime="" szZone="" iType="" szStart="" szEnd="" szOffset=""/> between <DSTData> and </DSTData>. 3. Specify the DST attribute values within double quotes. For example: Add a new time zone (+6 Paradise) with daylight saving time 30 minutes: <DST szTime="+6"...
  • Page 67 | Device Customization | 67 Endpoint More > Settings > Device Settings > Time & Date > General > Daylight Saving Parameter local_time.dst_time_type <MAC>.cfg Description It configures the Daylight Saving Time (DST) type. Note: It works only if “local_time.summer_time” is set to 1 (Enabled). Permitted Values 0-DST by Date 1-DST by Week...

  • Page 68: Time And Date Manual Configuration

    | Device Customization | 68 Permitted Values Month/Day/Hour-DST by Date, use the following mapping: Month: 1=January, 2=February,…, 12=December Day: 1=the first day in a month,…, 31= the last day in a month Hour: 0=0am, 1=1am,…, 23=11pm Month/Week of Month/Day of Week/Hour of Day- DST by Week, use the following mapping: Month: 1=January, 2=February,…, 12=December Week of Month: 1=the first week in a month,…, 5=the last week in a month...

  • Page 69: Time And Date Format Configuration

    | Device Customization | 69 Time and Date Format Configuration You can customize the time and date with a variety of time and date formats, including options to date format with the day, month, or year, and time format in 12 hours or 24 hours, or you can also custom the date format as required.

  • Page 70: Tones

    | Device Customization | 70 Tones When the device is in the dialing screen, it will play a warning tone. You can customize tones or select specialized tone sets (vary from country to country) to indicate different conditions of the device. •...

  • Page 71: Security Features

    | Security Features | 71 Permitted Values Custom, Australia, Austria, Brazil, Belgium, Chile, China, Czech, Czech ETSI, Denmark, Finland, France, Germany, Great Britain, Greece, Hungary, Lithuania, India, Italy, Japan, Mexico, New Zealand, Netherlands, Norway, Portugal, Spain, Switzerland, Sweden, Russia, United States Default Custom Web UI...

  • Page 72: Transport Layer Security (Tls)

    HTTPS URL for provisioning in a way that is designed to prevent eavesdropping and tampering. Yealink devices support TLS 1.0, TLS 1.1, and TLS 1.2. •...

  • Page 73: Supported Trusted And Server Certificates

    Yealink Certificate Authority (CA). • A generic server certificate: It is issued by the Yealink Certificate Authority (CA). Only if no unique certificate exists, the device may send a generic certificate for authentication. The device can authenticate the server certificate based on the trusted certificates list. The trusted certificates list and the server certificates list contain the default and custom certificates.
  • Page 74 | Security Features | 74 Supported Trusted Certificates Yealink devices trust the following CAs by default: • DigiCert High Assurance EV Root CA • Deutsche Telekom Root CA-2 • Equifax Secure Certificate Authority • Equifax Secure eBusiness CA-1 • Equifax Secure Global eBusiness CA-1 •...

  • Page 75: Tls Configuration

    • SIP Core Note: Yealink endeavors to maintain a built-in list of most commonly used CA Certificates. Due to memory constraints, we cannot ensure a complete set of certificates. If you are using a certificate from a commercial Certificate Authority but is not in the list above, you can send a request to your local distributor.
  • Page 76 | Security Features | 76 Web UI Security > Trusted Certs > Only Accept Trusted Certificates Parameter static.security.ca_cert <y0000000000xx>.cfg Description It configures the type of certificates in the Trusted Certificates list for the device to authenticate for TLS connection. Permitted Values 0-Default Certificates 1-Custom Certificates 2-All Certificates...

  • Page 77: Encrypting Configuration Files

    If you change this parameter, the device will reboot to make the change take effect. Encrypting Configuration Files Yealink Teams device can download encrypted files from the server and encrypt files before/when uploading them to the server. You can encrypt the following configuration files: MAC-Oriented CFG file (<MAC>.cfg), Common CFG file (y0000000000xx.cfg), MAC-local CFG file (<MAC>-local.cfg) or other custom CFG files (for example,...

  • Page 78: Configuration Files Encryption And Decryption

    | Security Features | 78 The encryption tools encrypt plaintext configuration files (for example, account.cfg, <y0000000000xx>.cfg, <MAC>.cfg) (one by one or in batch) using 16-character symmetric keys (the same or different keys for configuration files) and generate encrypted configuration files with the same file name as before. These tools also encrypt the plaintext 16-character symmetric keys using a fixed key, which is the same as the one built in the device, and generate new files named as <xx_Security>.enc (xx is the name of the configuration file, for example, y000000000133.cfg file, account_Security.enc for account.cfg).

  • Page 79: Example: Encrypting Configuration Files

    The following example describes how to use “Config_Encrypt_Tool.exe” to encrypt the account.cfg file. For more information on the other two encryption tools, refer to Yealink Configuration Encryption Tool User Guide. The way the device processes other configuration files is the same as that of the account.cfg file.
  • Page 80 | Security Features | 80 1. Double click “Config_Encrypt_Tool.exe” to start the application tool. The screenshot of the main page is shown below: 2. When you start the application tool, a file folder named “Encrypted” is created automatically in the directory where the application tool is located.

  • Page 81: Byod

    | BYOD | 81 7. Click OK. The target directory will be automatically opened. You can find the encrypted CFG file(s), encrypted key file(s) and an Aeskey.txt file storing plaintext AES key(s). BYOD After enabling BYOD mode, you can take the device as the peripherals for meetings hold by third-party apps.

  • Page 82: Camera Mode Configuration

    | Configuring Camera Settings | 82 • Reset Camera Camera Mode Configuration The following table lists the parameters you can use to configure the camera mode. Parameter features.video_framing.mode <y0000000000xx>.cfg Description It configures the framing mode of the camera. Permitted Values 0-Manual 1-Auto Framing, the camera automatically locates and frames participants in the room without moving the camera.

  • Page 83: Adjusting The Exposure

    1. Do one of the following: • On your web user interface, go to Setting > Camera > White Balance. On your MeetingBar A20/A30, go to More > Settings > Device Settings > Camera Settings > • White Balance Settings.

  • Page 84: Configuration Method

    1. Do one of the following: • On your web user interface, go to Setting > Camera > Exposure. On your MeetingBar A20/A30, go to More > Settings > Device Settings > Camera Settings > • Exposure Settings. 2. Select Auto Exposure from the Exposure Mode drop-down menu.

  • Page 85: Configuring Manual Exposure Mode

    1. Do one of the following: On your web user interface, go to Setting > Camera > Exposure. • On your MeetingBar A20/A30, go to More > Settings > Device Settings > Camera Settings > • Exposure Settings. 2. Select Manual Exposure from the Exposure Mode drop-down menu.

  • Page 86: Configuring The Mode Of Shutter Priority

    On your web user interface, go to Setting > Camera > Exposure. • On your MeetingBar A20/A30, go to More > Settings > Device Settings > Camera Settings > Exposure Settings. 2. Select Shutter Priority from the Exposure Mode drop-down menu.

  • Page 87: Configuring The Mode Of Brightness Priority

    1. Do one of the following: On your web user interface, go to Setting > Camera > Exposure. • On your MeetingBar A20/A30, go to More > Settings > Device Settings > Camera Settings > • Exposure Settings. 2. Select Brightness Priority from the Exposure Mode drop-down menu.

  • Page 88: Adjusting The Camera Display Image

    You can adjust display mode of the camera or customize the image display. Procedure 1. Do one of the following: On your web user interface, go to Setting > Camera > Graphics. • • On your MeetingBar A20/A30, go to More > Settings > Device Settings > Camera Settings > Graphics.

  • Page 89: Adjusting Hangup Mode And Camera Pan Direction

    Configure the image brightness of the camera. Web user interface Note: the value is from 0 to 100. The default value is Endpoint Note: It is only applicable to MeetingBar A20. Contrast Configure the image contrast of the camera. Web user interface Valid value: 0 - 100.

  • Page 90: Reset Camera

    1. Do one of the following: • On your web user interface, go to Setting > Camera > Other Settings. On your MeetingBar A20/A30, go to More > Settings > Device Settings > Camera Settings > • Others. 2. Configure and save the following settings:...

  • Page 91: Eq Self Adaption

    | Configuring Audio Settings | 91 • EQ Self Adaption • Noise Suppression EQ Self Adaption The EQ self adaption allows the device to optimize the acoustic effect. The EQ self adaption is enabled by default. System supports manual EQ self adaption adjustment. •...

  • Page 92: Troubleshooting Methods

    Log Files Yealink Teams devices can log events into two different log files: boot log and system log. You can choose to generate the log files locally or sent to the syslog server in real time, and use these log files to generate informational, analytic, and troubleshoot devices.
  • Page 93 | Troubleshooting Methods | 93 • Local Log Configuration • Exporting the Log Files to a Local PC • Viewing the Log Files Local Log Configuration The following table lists the parameters you can use to configure the local log. Parameter static.local_log.enable <y0000000000xx>.cfg...
  • Page 94 | Troubleshooting Methods | 94 Permitted Integer from 2048 to 20480 Values Default 20480 Web UI Setting > Configuration > Max Log File Size Parameter static.auto_provision.local_log.backup.enable <y0000000000xx>.cfg Description It enables or disables the device to upload the local log files to the provisioning server or a specific server.
  • Page 95 | Troubleshooting Methods | 95 Default Blank Parameter static.auto_provision.local_log.backup.append <y0000000000xx>.cfg Description It configures whether the uploaded local log files overwrite the existing files or are appended to the existing files. Permitted 0-Overwrite Values 1-Append (not applicable to TFTP Server) Default Parameter static.auto_provision.local_log.backup.append.limit_mode <y0000000000xx>.cfg Description...
  • Page 96 | Troubleshooting Methods | 96 Viewing the Log Files You can verify whether you got the correct log through the following key fields: • <0+emerg> • <1+alert> • <2+crit> • <3+error> • <4+warning> • <5+notice> • <6+info> The following figure shows a portion of a boot log file: The following figure shows a portion of a sys log file:...

  • Page 97: Syslog Log

    | Troubleshooting Methods | 97 Syslog Log You can also configure the device to send syslog messages to a syslog server in real time. You can specify syslog details such as IP address or host name, server type, facility, and the severity level of events you want to log.
  • Page 98 | Troubleshooting Methods | 98 Default Web UI Setting > Configuration > Syslog > Syslog Transport Type Parameter static.syslog.level <y0000000000xx>.cfg Description It configures the lowest level of syslog information that displays in the syslog. Permitted Values 0-Emergency: system is unusable 1-Alert: action must be taken immediately 2-Critical: critical conditions 3-Critical: error conditions...
  • Page 99 | Troubleshooting Methods | 99 Permitted Values 0-kernel messages 1-user-level messages 2-mail system 3-system daemons 4-security/authorization messages (note 1) 5-messages generated internally by syslogd 6-line printer subsystem 7-network news subsystem 8-UUCP subsystem 9-clock daemon (note 2) 10-security/authorization messages (note 1) 11-FTP daemon 12-NTP subsystem 13-log audit (note 1)

  • Page 100: Packets Capture

    Ethernet Software Capturing Configuration Capturing the Packets via Web User Interface For Yealink Teams devices, you can export the packets file to the local system and analyze it. Yealink Teams devices support the following two modes for capturing the packets: Normal: Export the packets file after stopping capturing.

  • Page 101: Ethernet Software Capturing Configuration

    We recommend you to edit the exported CFG file instead of the BIN file to change the device’s current settings. The config.bin file is an encrypted file. For more information on the config.bin file, contact your Yealink reseller. • Exporting BIN Files from the Device •...

  • Page 102: Device Status

    | Troubleshooting Methods | 102 If you change this parameter, the device will reboot to make the change take effect. Device Status Available information on device status includes: • • Version information ( Firmware Version, Hardware Version, Partner APP Version, Company Portal Version and Teams Version).

  • Page 103: Resetting The Device To Custom Factory Settings

    | Troubleshooting Methods | 103 Resetting the Device to Custom Factory Settings After you enable the custom factory feature, you can import the custom factory configuration file, and then reset the device to custom factory settings. Procedure 1. From the web user interface, click Setting > Configuration > Factory Configuration. 2.

  • Page 104: Device Reboot

    2. Save the screenshot to your local system. Troubleshooting Solutions This section describes the solutions to common issues that may occur while using the Teams device. Upon encountering a case not listed in this section, contact your Yealink reseller for further support. • IP Address Issues •...

  • Page 105: Ip Address Issues

    Scenario 2: Yealink devices support using FTP, TFTP, HTTP, and HTTPS protocols to download configuration files or resource files. You can use one of these protocols for provisioning. When provisioning your device to obtain an IPv6 address, the provisioning server should support IPv6 and the format of the access URL of the provisioning server can be “tftp://[IPv6 address or domain name]”.

  • Page 106: Display Issues

    | Troubleshooting Solutions | 106 Display Issues • The device LCD screen blank • The device displays “Offline” The device LCD screen blank Do one of the following: • Ensure that the device is properly plugged into a functional AC outlet. •...

  • Page 107: Fail To Export The System Log From A Provisioning Server (Ftp/Tftp Server)

    | Troubleshooting Solutions | 107 Fail to export the system log from a provisioning server (FTP/TFTP server) Do one of the following: • Ensure that the FTP/TFTP server is downloaded and installed on your local system. • Ensure that you have configured the FTP/TFTP server address correctly via the web user interface on your device.

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