Page 2 LTD. declares that this phone is in conformity with the essential requirements and other relevant provisions of the CE, FCC. You can find the CE and FCC information from the label on the bottom of the VC110 all-in-one unit. Statements of compliance can be obtained by contacting support@yealink.com.
Page 3 WEEE must not be regarded as unsorted municipal waste and must be collected and disposed of separately by a competent authority. We are striving to improve our documentation quality and we appreciate your feedback. Email your opinions and comments to DocsFeedback@yealink.com.
Page 5 About This Guide Thank you for choosing the Yealink VC110 full HD video conferencing endpoint. It is an all-in-one unit that supports 1080P-full HD video conferencing and includes outstanding features such as good compatibility, easy deployment and intelligent network adaptability. These make it the best choice for SME.
Page 6 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint device. You can download the latest firmware for your product online: http://support.yealink.com/documentFront/forwardToDocumentFrontDisplayPage For more information on how to upgrade the endpoint firmware, refer to Upgrading Firmware on page 223. This administrator guide includes the following chapters: Chapter 1, ―VC110 Video Conferencing Endpoint...
Page 7 About This Guide Video Recording on page  Screenshot on page  Major updates have occurred to the following sections: Icon Instructions on page  Setup Wizard on page  Configuring LAN Properties on page  Call Protocol on page ...
Page 8 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint viii...
Page 9: Table Of Contents
Changes for Release 21, Guide Version 21.15 ..............vi Changes for Release 10, Guide Version 10.11 ..............vii Table of Contents ..............ix VC110 Video Conferencing Endpoint Introduction ....1 VoIP Principles ..........................1 Physical Features of Endpoint ......................2 Packaging Contents ........................
Page 10 Endpoint Startup ..........................48 Setup Wizard ..........................49 Enabling Communication with Other Endpoints ................ 52 Placing a Test Call from the Yealink VC110 endpoint ..............53 Configuring Network .............. 55 Preparing the Network ........................55 Configuring LAN Properties ......................56 DHCP ............................
Page 11 Table of Contents Do Not Disturb ..........................129 Auto Answer ..........................131 Call Match ............................ 132 History Record ..........................133 Bandwidth ............................ 134 Video Size Mode ......................... 136 Ringback Timeout ........................137 Auto Refuse Timeout ........................138 SIP IP Call by Proxy ........................139 Default Layout of Single Screen ....................
Page 12 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Configuring Security Features ..........203 User Mode ........................... 203 Administrator Password ......................204 Web Server Type.......................... 206 Transport Layer Security ......................208 Secure Real-Time Transport Protocol ..................215 H.235 ............................. 218 Attack Defense in Public Network ....................219 Abnormal Call Answering ....................
Page 13: Vc110 Video Conferencing Endpoint Introduction
VC110 Video Conferencing Endpoint Introduction This chapter contains the following information about VC110 video conferencing endpoint: VoIP Principles  Physical Features of Endpoint  Packaging Contents  Endpoint Component Instructions  Icon Instructions  LED Instructions  User Interfaces ...
Page 14 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint SIP (Session Initiation Protocol) is the Internet Engineering Task Force‘s (IETF‘s) standard for multimedia conferencing over IP. It is an ASCII-based, application-layer control protocol (defined in RFC 3261) that can be used to establish, maintain, and terminate calls between two or more endpoints.
Page 15 VCM30 video conferencing microphone array. You can purchase any combination according to your needs: Note We recommend that you use the accessories provided or approved by Yealink. The use of unapproved third-party accessories may result in reduced performance...
Page 16 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint VC110 All-in-one Unit  Cable Hub  L-Bracket (for installing the VC110 one-in-one unit)  Mounting Accessories (for installing the VC110 one-in-one unit)  VCR10 Remote Control  AAA Batteries× 2 ...
Page 17 VC110 Video Conferencing Endpoint Introduction Power Adapter  Cables  Velcro× 2  Cable Ties× 5  VC110 Quick Start Guide  VCM60 Video Conferencing Wireless Microphone  Power Adapter ...
Page 18 VCP40 video conferencing phone with the 7.5m Ethernet cable. VCP40 video conferencing phone can work as an audio device for the VC110 endpoint. You can also place calls, answer calls or view directory and history on the VCP40 video conferencing...
Page 19 VCP41 video conferencing phone with the 7.5m Ethernet cable. VCP41 Video conferencing phone can work as an audio device for the VC110 endpoint. You can also place calls, answer calls or view directory and history on the VCP41 video conferencing...
Page 20: Vc110 All-In-One Unit
Locate the Audio In port of the cable hub, and connect it to the Audio Out port of the VCM30 with the 7.5m Ethernet cable. VCM30 video conferencing microphone array can work as the audio input device for the VC110 endpoint. For more information, refer to Audio Input Device on page162.
Page 21 The HD camera supports 2xdigital zoom, white balance and automatic gain. You can place the VC110 all-in-one unit on the table or mount it on a wall. The LED indicator in front of the camera indicates different statuses of the endpoint. For more information,...
Page 22 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Infrared Sensor The infrared sensor is located within the Yealink logo. Aim the remote control at the camera IR sensor to operate the unit. Note When the endpoint is powered on, avoid physically turning the camera. This may cause permanent damage to the camera.
Page 23 The left side of the VC110 all-in-one unit Port Name Description Allows you to connect a universal security cable to Security Slot VC110 all-in-one unit, so you can lock it down. The ② endpoint cannot be removed when locked. The back of VC110 all-in-one unit Port Name...
Page 24: Cable Hub
The VCM60 is a video conferencing wireless microphone which can work as the audio input device for VC110 video conferencing endpoint. It supports 360-degree audio pickup at a radius of up to 2 meters. There are a mute button and a battery indicator...
Page 25 VC110 Video Conferencing Endpoint Introduction There is a power switch on its bottom. You can turn off this switch if the VCM60 is not in use for a long period of time. Name Description Indicates the battery information. For more...
Page 26: Vcm60 Video Conferencing Wireless Microphone
You can turn off this switch if the VCM60 is not in use for a long period of time. To ensure good voice quality, VCM60 video conferencing wireless microphone can be connected to the VC110 video conferencing endpoint to work as the audio input device. To connect the VCM60 to the VC110 video conferencing endpoint, do the following:...
Page 27 VC110 Video Conferencing Endpoint Introduction The display device prompts ―Dongle connected!‖, and the (unregistered) icon appears on the status bar. Turn on the VCM60. The VCM60 registers with the dongle automatically. If successful, the (unregistered) icon will change to (registered). Current capacity appears on the right side of the icon.
Page 28 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint To remove the VCM60 from the VC110 video conferencing endpoint, do the following: Remove the dongle from the VC110 all-in-one unit. The display device prompts ―Dongle remove!‖. And the icon disappears from the status bar.
Page 29 When the dongle is connected to the USB port of the VC110 one-in one unit, you can view VCM60 status via the remote control or web user interface. Available information of VCM60 includes: Dongle status ...
Page 30 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint To view the VCM60 information via web user interface: Click on Status. To view the VCM60 information via the remote control: Select Menu->Status->Wireless Micpod. The VCM60 video conferencing wireless microphone and dongle are automatically ‖paired‖...
Page 31 VC110 Video Conferencing Endpoint Introduction To deregister the VCM60 via web user interface: Click on Setting->Wireless Micpod. Click DeRegisted. Click Confirm to deregister the video conferencing wireless microphone. The paired information will be cleared. The VCM60 video conferencing wireless microphone will enter offline standby mode and the mute indicator LED slowly flashes orange.
Page 32 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint The web user interface starts 120-second countdown for pairing the dongle and video conferencing wireless microphone. Tap and hold the mute button on the VCM60 video conferencing wireless microphone for 5 seconds until the mute indicator LED flashes orange.
Page 33 VC110 Video Conferencing Endpoint Introduction The VPM60 can work normally during charging. If you charge the VCM60 when it is working, the display device prompts ―The battery is charging!‖, and the (charging) icon appears on the status bar. During charging, the battery LED indicator will flash green. And it will illuminate solid green when the battery capacity reaches 100%.
Page 34: Video Conferencing Phone
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint RF Carrier Index (DECT tester Numbering) Freq (MHz) Taiwan Korea Brazil Japan 2(F3) 1899.072 1(F4) 1900.800 0(F5) 1902.528 1904.256 1905.984 1907.712 1909.440 1911.168 1912.896 1914.624 1916.352 1918.080 1919.808 1921.536 1923.264 1924.992 1926.720 1928.448...
Page 35 VC110 Video Conferencing Endpoint Introduction Connect the VCP40 video conferencing phone to the cable hub. It can work as an audio device for the VC110. You can also place calls, answer calls or view directory and history on the VCP40 video conferencing phone.
Page 36 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Item Description • Missed call information • Time and date Label automatically to identity their context-sensitive ② Soft Keys features. On-hook Key Rejects or ends a call or returns to the previous screen.
Page 37 PC or mobile audio using your VCP41 video conferencing phone. You can connect a PC or mobile device to the VCP41 when your VC110 video conferencing endpoint is idle, is placing a call or during a call.
Page 38 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint To connect a PC or mobile device to your VCP41: Connect one end of the 3.5mm audio cable to the PC/mobile port on the VCP41 phone, and connect the other end to the headset jack on the mobile device or the AUX/MIC jack on the PC.
Page 39: Cpe80 Expansion Microphone
VC110 Video Conferencing Endpoint Introduction To remove the PC or mobile device, disconnect the 3.5mm audio cable from the VCP41. If your video conferencing room is large, you can add extra CPE80 expansion microphones to the MIC ports on the video conferencing phone to expand the audio range.
Page 40 The VCM30 is a video conferencing microphone array which can work as the audio input device for VC110 video conferencing endpoint. It has 3 built-in microphones which support 360-degree audio pickup at a radius of up to 3 meters. There is a mute button on its top.
Page 41 VC110 Video Conferencing Endpoint Introduction There is a mute button at the top of the VCM30. You can mute or unmute it in the following scenarios: If you do not want to have your voice broadcast during a conference, you can tap ...
Page 42 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint To view the VCM30 information via web user interface Click Status. To view the VCM30 information via the remote control: Select Menu->Status->Wired Micpod.
Page 43: Vcr10 Remote Control
VC110 Video Conferencing Endpoint Introduction VCR10 remote control is compact, and has definite function zoning. Users can organize conferences easily using infrared signals. Hardware components of the remote control: Item Description ① Sleep Key Puts the endpoint to sleep or wakes the endpoint up.
Page 44 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Item Description Located at the bottom right of the screen. Label identifies context-sensitive features. ④ Blue Shortcut Key In the idle screen, this is used to save and check the camera preset position, and corresponds to the Preset soft key.
Page 45 VC110 Video Conferencing Endpoint Introduction Item Description Enters the pre-dialing screen.  Stores the preset position of the camera.  Generates a special characters ―.‖. Video Recording  ⑱ Starts/Stops recording video.  Generates a pound key (#).  ⑲...
Page 46 The standby time of VCM60 is less than one hour Dual screen mode Dual video sources (when a PC is connected to the PC port on the cable hub) A USB flash drive is inserted to the USB port of the VC110 all-in-one unit Local contact...
Page 47 VC110 Video Conferencing Endpoint Introduction Icon Description VPN is enabled Icons appearing on the video conferencing phone are described in the following table: Icon Description Network is unavailable (Flashing) SIP account is registered (the icon flashes when the SIP account is not registered successfully) H.323 account is registered (the icon...
Page 48 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Indicator LED on the VC110 all-in-one unit: LED Status Description Solid green The VC110 is powered on. Solid red The VC110 is in sleep mode. The VC110 is abnormal (e.g., network unavailable, Solid orange update failure).
Page 49: User Interfaces
Detailed operation steps will be introduced in the feature section. You can use the remote control and display device to configure and use the VC110 video conferencing endpoint. For more information on the function of each key on the remote control, refer to...
Page 50 Administrator has full permission to access every menu in the web user interface. User can log into the web user interface with user credentials. The web structure tree of VC110 is shown as below, (the red highlight is hidden for users with user credentials): You can monitor or place calls via web user interface.
Page 51 VC110 Video Conferencing Endpoint Introduction Adjusting the position and focus of the camera  Saving the camera preset  Capturing the video images  Note Although the web user interface is used to initiate the call, it is the video conferencing...
Page 52 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint...
Page 53: Endpoint Connection And Installation
Ensure that the purchased display device supports HDMI input. When connecting only one display device to the VC110 all-in-one unit, Display1 port is econdary the only available port.
Page 54 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Do the following: Locate the DVI port on the back of the VC110 all-in-one unit, and connect it to the DVI port of the cable hub with the supplied DVI cable. Locate the Display1 port of the VC110 all-in-one unit, and connect it to the HDMI port on the display device with the supplied HDMI cable (Make sure the display device is powered on).
Page 55 Getting Started Locate the DC19V port of the VC110 all-in-one unit, and connect it to an AC power outlet with the supplied power adapter and power cord. The cable hub also can be powered from a PoE-compliant switch or hub. For more...
Page 56 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint You can choose to mount the VC110 all-in-one unit on your TV or a wall, depending on your actual needs. Mounting the VC110 all-in-one unit on a TV When the thickness of your TV is between 35-120 mm, you can mount the VC110 all-in-one unit on your TV.
Page 57 Move the setscrews on the L-bracket to the left holes. Lock the L-bracket to the wall with T4× 30 screws. Connect one end of the DVI cable to the VC110 all-in-one unit and put the other end of the DVI cable through the L-bracket.
Page 58 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Replace the battery cover. Never make wrong polarity connection when charging and discharging battery  packs. Avoid crushing, puncturing, or putting a high degree of pressure on any battery, as  this can cause an internal short-circuit, resulting in overheating.
Page 59 Yealink original power adapter (12V/2A) only. Power over Ethernet With the included or a regular Ethernet cable, the VC110 video conferencing endpoint can be powered from a PoE-compliant switch or hub. To connect the PoE: Locate the Internet port on the cable hub, and connect it to the port on the in-line power switch/hub with the Ethernet cable.
Page 60 After the initializing process, the endpoint will complete startup by cycling the following steps: The LED indicator on the VC110 all-in-one unit illuminates solid green. The display device displays the boot up screen. The camera pans to the middle position automatically.
Page 61 Getting Started The main screen displays the following: Time and date  Endpoint IP address and site name  Status icon  Soft key labels  Video image  The video conferencing phone starts up normally. The phone‘s LCD screen displays the site name, status icon, soft keys, time and date.
Page 62 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Set the date and time. Press (Next soft key) to continue or press (Previous soft key) to return to the previous screen. Edit the site name. The default site name is ―Yealink VC110‖.
Page 63 Getting Started Thedefalt administrator password is ―0000‖. Note Do remember the new administrator password or keep a copy of the password in a safe place. If you forget the password, you will need to reset the endpoint to the factory settings, and then reset the password or use the default password‖0000‖.
Page 64 If you use Network Address Translation (NAT) to assign a public IP address to your  VC110 endpoint for communication with devices outside your private network, you must enable NAT on your VC110 endpoint before placing calls. For more information, refer to Network Address Translation on page 90.
Page 65 Getting Started Yealink Demo1 to Yealink Demo3 are three default contacts stored in the local directory. You can place a test call to the default contact, and the test call will be routed to the Yealink demo video conferencing endpoint. Yealink demo contacts can help users to...
Page 66 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint...
Page 67: Configuring Network
Configuring Network This chapter provides information on how to configure network settings for the endpoint. Proper network settings allow the endpoint work efficiently in your network environment. This chapter provides the following sections: Preparing the Network  Configuring LAN Properties ...
Page 68 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint DHCP (Dynamic Host Configuration Protocol) is a network protocol used to dynamically allocate network parameters to network hosts. The automatic allocation of network parameters to hosts eases the administrative burden of maintaining an IP network. The endpoint complies with the DHCP specifications documented in RFC 2131.
Page 69 Configuring Network Parameter DHCP Option Description Address client's subnet. Network Time Specifies a list of the NTP servers available to Protocol the client by IP address. Servers Vendor-Specific Identifies the vendor-specific information. Information Vendor Class Identifies the vendor type. Identifier Identifies a TFTP server when the 'name' field TFTP Server in the DHCP header has been used for DHCP...
Page 70 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method DHCP server via DHCP option 12. Host name is optional, so it is not a mandatory configuration item. For more information, contact your network administrator. If you change this parameter, the endpoint will reboot to make the change take effect.
Page 71 Configuring Network To configure DHCP via the remote control: Select Menu->Advanced (default password: 0000) ->LAN Configuration->IPv4. Check the DHCP checkbox. Press the Save soft key to accept the change. The display device prompts ―Reboot now?‖. Select OK to reboot the endpoint immediately. Even though DHCP is enabled, you can manually configure the static DNS address(es).
Page 72 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method the "Static IPv4 DNS" is set to On. If you change this parameter, the endpoint will reboot to make the change take effect. To configure static DNS address when DHCP is used via web user interface: Click on Network->LAN Configuration.
Page 73 Configuring Network The display device prompts ―Reboot now?‖. Select OK to reboot the endpoint immediately. If DHCP is disabled or the endpoint cannot obtain network settings from the DHCP server, you need to configure them manually. The following parameters should be configured for endpoints to establish network connectivity: IP Address: Configure the endpoint to use the assigned IP address.
Page 74 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method parameter, the endpoint will reboot to make the change take effect. Configures the subnet mask assigned to the endpoint. Default: Blank Remote Control Subnet Mask Note: If you change this...
Page 75 Configuring Network To configure the IP address mode via web user interface: Click on Network->LAN Configuration. Select desired value from the pull-down list of IPv4/IPv6. Click Confirm to accept the change. A dialog box pops up to prompt that settings will take effect after a reboot. Click OK to reboot the phone.
Page 76 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Enter the desired values in the IP Address, Subnet Mask, Gateway, Primary DNS and Secondary DNS fields. Click Confirm to accept the change. A dialog box pops up to prompt that settings will take effect after a reboot.
Page 77 IPv4 protocol. IPv6 is developed by the Internet Engineering Task Force (IETF) to deal with the long-anticipated problem of IPv4 address exhaustion. Yealink IP Phone supports IPv4 addressing mode, IPv6 addressing mode, as well as an IPv4&IPv6 dual stack addressing mode.
Page 78 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint DHCPv6 How the IP phone obtains the IPv6 address and network settings? The IP phone can obtain the IPv6 address and the other network Enabled settings via DHCPv6. IPv6 Network parameters need to be configured manually on the endpoints are described below.
Page 79 Configuring Network Parameter Description Configuration Method reboot to make the change take effect. Triggers the static IPv6 DNS feature to on or off. Default: Off Remote Control Static DNS/Static Note: If you change this IPv6 DNS Web User Interface parameter, the endpoint will reboot to make the change take effect.
Page 80 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint If you mark the Static IP radio box, configure the IPv6 address and other configuration parameters in the corresponding fields. (Optional.) If you mark the DHCP radio box, you can configure the static DNS address in the corresponding fields.
Page 81 Configuring Network A dialog box pops up to prompt that the settings will take effect after a reboot. Click OK to reboot the phone. To configure IPv6 address assignment method via phone user interface: Select Menu->Advanced (default password: 0000) ->LAN Configuration. Select IPv4 &...
Page 82 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint sharing transmission capabilities and then selecting the highest performance transmission mode supported by both endpoints. Half-duplex Half-duplex transmission refers to transmitting voice or data in both directions, but in one direction at a time; this means one endpoint can send data on the line, but not receive data simultaneously.
Page 83: Vlan
Configuring Network To configure the network speed via web user interface: Click on Network->Advanced. Select the desired value from the pull-down list of Network Speed. Click Confirm to accept the change. A dialog box pops up to prompt that settings will take effect after a reboot. Click Confirm to reboot the endpoint immediately.
Page 84: Lldp
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint In addition to manual configuration, the endpoint also supports automatic VLAN discovery via LLDP or DHCP . The assignment takes effect in the following order: assignment via LLDP , manual configuration, then assignment via DHCP .
Page 85 Configuring Network TLV Type TLV Name Description Description of the endpoint. System Description Description includes firmware version of the endpoint. The supported and enabled endpoint capabilities. System Capabilities The Telephone capability is supported and enabled by default. Description of port that sends data unit. Port Description The default value is ―WAN PORT‖.
Page 86 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint TLV Type TLV Name Description Number Inventory – Manufacturer name of the endpoint. Manufacturer Name The default value is ―IP_Phone‖. Inventory – Model Model name of the endpoint. Name The default value is ―VC110‖.
Page 87 Configuring Network Enter the desired time interval in the Packet Interval (1-3600s) field. Click Confirm to accept the change. A dialog box pops up to prompt that the settings will take effect after a reboot. Click Confirm to reboot the endpoint immediately. To configure LLDP via the remote control: Select Menu->Advanced (default password: 0000) ->Advanced Network.
Page 88 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method Configures VLAN ID for the Internet (WAN) port. Default: 1 Remote Control VID(1-4094) Note: If you change this Web User Interface parameter, the endpoint will reboot to make the change take effect.
Page 89: Dhcp Vlan
Configuring Network Click Confirm to accept the change. A dialog box pops up to prompt that the settings will take effect after a reboot. Click OK to reboot the phone. To configure VLAN via the remote control: Select Menu->Advanced (default password: 0000) ->Advanced Network. In the VLAN block, check the Active checkbox.
Page 90: X Authentication
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method reboot to make the change take effect. To configure DHCP VLAN discovery via web user interface: Click on Network->Advanced. In the VLAN block, select the desired value from the pull-down list of DHCP VLAN Active.
Page 91 The endpoint supports the authentication protocols EAP-MD5, EAP-TLS, PEAP-MSCHAPv2 and EAP-TTLS/EAP-MSCHAPv2 for 802.1X authentication. Yealink 802.1X Authentication For more information on 802.1X authentication, refer to 802.1X feature parameters on the endpoint are described below: Parameter...
Page 92 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method EAP-TTLS/EAP-MSCHAPV2. Note: If you change this parameter, the endpoint will reboot to make the change take effect. Configures the access URL of the device certificate when the 802.1x authentication mode is configured as EAP-TLS.
Page 93 Configuring Network 3) In the CA Certificates field, click Browse to locate the desired CA certificate (*.pem,*.crt, *.cer or *.der) from your local endpoint. 4) In the Device Certificates field, click Browse to locate the desired client certificate (*.pem or *.cer) from your local endpoint. 5) Click Upload to upload the certificates.
Page 94 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint 4) Click Upload to upload the certificate. d) If you select EAP-TTLS/EAP-MSCHAPv2: 1) Enter the user name for authentication in the Identity field. 2) Enter the password for authentication in the MD5 Password field.
Page 95: H.323 Tunneling
Configuring Network 4) Click Upload to upload the certificate. Click Confirm to accept the change. A dialog box pops up to prompt that the settings will take effect after a reboot. Click Confirm to reboot the endpoint immediately. To configure the 802.1X via the remote control: Select Menu->Advanced (default password: 0000) ->Advanced Network.
Page 96 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint If H.323 tunneling feature is disabled, the setup processes of an H.323 call are shown below:...
Page 97 Configuring Network If H.323 tunneling feature is enabled on both sites, the setup processes of an H.323 call are shown below: The parameter of the H.323 tunneling feature on the endpoint is described below: Parameter Description Configuration Method Enables or disables the H.323 Remote Control tunneling on the endpoint.
Page 98 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint To configure H.323 tunneling via web user interface: Click on Account->H323. Select the desired value from the pull-down list of H.323 Tunneling. Click Confirm to accept the change. To configure H.323 tunneling via the remote control: Select Menu->Advanced (default password: 0000) ->H.323.
Page 99: Reserved Ports
Unless the firewall is designed to work with video conferencing equipment, you must configure the firewall to allow incoming and outgoing traffic to the VC110 endpoint through the reserved ports. Users placing calls through a firewall to endpoints may experience one-way audio or video if the firewall is not properly configured.
Page 100 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint The following tables identify the number of ports required per connection by protocol and the type of call. Required ports for an H.323 two-way call: Call Type Number of Required Ports 8 UDP ports (6 if presentation is disabled)
Page 101 Configuring Network Parameter Description Configuration Method the configured ports. If you change this parameter, the endpoint will reboot to make the change take effect. To configure reserved ports via web user interface: Click on Network->NAT/Firewall. In the Reserve Port block, configure the UDP port range in the UDP Port Scope field. In the Reserve Port block, configure the TCP port range in the TCP Port Scope field.
Page 102 (ALG), simple traversal of UDP through NAT (STUN), and H.460 firewall traversal. If NAT/Firewall devices do not support the ALG. VC110 video conferencing endpoint must be configured with the static NAT. Static NAT defines a one-to-one mapping from one IP subnet to another IP subnet. The mapping includes destination IP address translation in one direction and source IP address translation in the reverse direction.
Page 103 Manual—the endpoint uses  the manually configured NAT public address. Auto—the endpoint obtains  the NAT public address from the Yealink-supplied server. Default: Disabled Displays the NAT public  address automatically obtained from the Yealink-supplied server if Remote Control NAT Public IP the static NAT is set to Auto.
Page 104 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method Default: Disabled Note: Static NAT works only if this parameter is set to StaticNat. To configure static NAT via web user interface: Click on Network->NAT/Firewall. Select the desired value from the pull-down list of Static NAT.
Page 105 Configuring Network Select StaticNat from the pull-down list of NAT_Traversal. Click Confirm to accept the change. To configure Static NAT for SIP IP call via web user interface: Click on Account->SIP IP Call. Select StaticNat from the pull-down list of NAT_Traversal. Click Confirm to accept the change.
Page 106 For more information, refer to RFC3489. Capturing packets after you enable the STUN feature, you can find that the VC110 video conferencing endpoint sends Binding Request to the STUN server, and then mapped IP address and port is placed in the Binding Response: Binding Success Response MAPPED-ADDRESS: 59.61.92.59:19232.
Page 107 Configuring Network STUN feature parameters on the endpoint are described below: Parameter Description Configuration Method Enables or disables the STUN (Simple Traversal of UDP over Remote Control Active NATs) feature on the endpoint. Web User Interface Default: Disabled Configures the IP address or the domain name of the STUN Remote Control (Simple Traversal of UDP over...
Page 108 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Enter the port of the STUN server in the Port field. Click Confirm to accept the change. To configure STUN for SIP account via web user interface: Click on Account->SIP Account. Select STUN from the pull-down list of NAT_Traversal.
Page 109 Configuring Network Click Confirm to accept the change. To configure STUN for SIP IP call via web user interface: Click on Account->SIP IP Call. Select STUN from the pull-down list of NAT_Traversal. Click Confirm to accept the change. To configure STUN server via the remote control: Select Menu->Advanced (default password: 0000) ->NAT/Firewall.
Page 110 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Restricted Cone: A restricted cone NAT is one where all requests from the same internal IP address and port are mapped to the same external IP address and port. Unlike a full cone NAT, an external host (with IP address X) can send a packet to the internal host only if the internal host had previously sent a packet to IP address X.
Page 111 Configuring Network Enter the keep alive interval in the Keep Alive Interval field. Click Confirm to accept the change. Rport in 3581, allows a client to request that the server sends the response back to the source port from which the request came. Rport feature depends on support from a SIP server.
Page 112 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Select the desired value from the pull-down list of RPort. Click Confirm to accept the change. To configure rport feature for SIP IP call via web user interface: Click on Account->SIP IP Call.
Page 113: H.460 Firewall Traversal
Configuring Network H. 323 includes signal based on TCP , while the STUN solution cannot realize the NAT traversal of TCP . Before the emergence of H.460, Enterprises have their own firewall/NAT traversal solutions, which are incompatible with each other. Therefore, IP communication between enterprises is difficult.
Page 114: Intelligent Firewall Traversal
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint To configure H.460 firewall traversal via web user interface: Click on Account->H323. Select the desired value from the pull-down list of H.460 Active. Click Confirm to accept the change. To configure H.460 firewall traversal via the remote control: Select Menu->Advanced (default password: 0000) ->H.323.
Page 115: Quality Of Service
Configuring Network Parameter Description Configuration Method feature on the endpoint. Default: Disabled To configure intelligent firewall traversal via web user interface: Click on Network->NAT/Firewall. Select the desired value from the pull-down list of Intelligent Firewall Traversal. Click Confirm to accept the change. Quality of Service (QoS) is the ability to provide different priorities for different packets in the network.
Page 116 QoS only if the voice, video and data packets are given priority over other kinds of network traffic. Yealink video conferencing endpoints support the DiffServ model of QoS. DSCPs for voice, video and data packets that can be specified respectively.
Page 117 Configuring Network Data QoS To ensure good call quality, data packets (e.g., SIP signaling and H.225 call signaling) emanated from the endpoint should be configured with a high transmission priority. QoS feature parameters on the endpoint are described below. Parameter Description Configuration Method Specifies the DSCP value for...
Page 118: Vpn
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint In the QoS block, enter the desired values in the corresponding fields. Click Confirm to accept the change. A dialog box pops up to prompt that the settings will take effect after a reboot.
Page 119 VPN-related files are: certificates (ca.crt and client.crt), key (client.key) and the OpenVPN configuration file (vpn.cnf) of the VPN client. For more information, refer to Feature on Yealink IP Phones VPN feature parameters on the endpoint are described below. Parameter Description...
Page 120 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method first before enabling the VPN feature. If you change this parameter, the endpoint will reboot to make the change take effect. Uploads the compressed Upload VPN package of VPN-related files...
Page 121 Configuring Network To configure VPN via the remote control: Select Menu->Advanced (default password: 0000) ->Advanced Network. Check the VPN checkbox. Press the Save soft key to accept the change. The display device prompts ―Reboot now?‖. Select OK to reboot the endpoint immediately.
Page 122 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint...
Page 123: Configuring Call Preferences
Auto Refuse Timeout  Yealink VC110 video conferencing endpoint supports Session Initiation Protocol (SIP). If your server supports SIP , you can use SIP to establish calls. To establish calls using SIP , you can configure a SIP account for the endpoint.
Page 124 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method authentication. Default: Blank Specifies the user name to use for authentication when registering Remote Control User Name with a SIP server. Web User Interface Default: Blank Specifies the password...
Page 125 Configuring Call Preferences Parameter Description Configuration Method signaling. DNS-NAPTR—performs the  DNS NAPTR and SRV queries for the service type and port if no server port is given. Default: TCP Note: TLS is available only when the endpoint is registered with a SIP server that supports TLS.
Page 126 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint To configure SIP account via the remote control: Select Menu->Advanced (default password: 0000) ->SIP Account. Configure the SIP account settings. Press the Save soft key to accept the change. After successful registration, the display device displays...
Page 127 Select the desired value from the pull-down list of Transport. Press the Save soft key to accept the change. Yealink VC110 video conferencing endpoints support H.323 protocol. If your network uses a gatekeeper, you can register an H.323 account for the endpoint, and specify its H.323 name and extension.
Page 128 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method Enables or disables the H.323 account. Default: Enabled Remote Control H.323 Active If it is set to Disabled, the Web User Interface endpoint cannot place or receive calls with the H.323 protocol.
Page 129 Configuring Call Preferences Parameter Description Configuration Method gatekeeper. Auto—the endpoint  automatically discovers a gatekeeper. Manual—specify the IP  address and port for the gatekeeper manually. Default: Disabled Remote Control Gatekeeper IP Configures the IP address of the Address 1 primary gatekeeper.
Page 130 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method tunneling on the endpoint. Web User Interface Default: Disabled For more information, refer to H.323 Tunneling on page 83. Specifies the H.235 type for the H.323 account. Disabled—do not use ...
Page 131 Configuring Call Preferences Configure the H.323 account settings. Click Confirm to accept the change. After successful registration, the display device displays , and the LCD screen of the video conferencing phone displays To configure H.323 account via the remote control: Select Menu->Advanced (default password: 0000) ->H323.
Page 132 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint DTMF Keypad Frequencies: 1209 Hz 1336 Hz 1447 Hz 1633 Hz 697 Hz 770 Hz 852 Hz 941 Hz Three methods of transmitting DTMF digits on SIP calls: RFC 2833 -- DTMF digits are transmitted by RTP Events compliant to RFC 2833.
Page 133 Configuring Call Preferences DTMF parameters on the endpoint are described below: Parameter Description Configuration Method Configures the DTMF type. You can configure it for the SIP account or SIP IP call separately. INBAND—DTMF digits are  transmitted in the voice band.
Page 134 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint If SIP INFO or RFC2833+ SIP INFO is selected, select the desired value from the pull-down list of DTMF Info Type. Enter the desired value in the DTMF Payload Type(96~127) field. Click Confirm to accept the change.
Page 135 Configuring Call Preferences Enter the desired value in the DTMF Payload Type(96~127) field. Click Confirm to accept the change. DTMF parameters for H.323 protocol on the endpoint are described below: Parameter Description Configuration Method Configures the DTMF type for H.323 protocol. INBAND—DTMF digits are ...
Page 136: Codecs On
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Select the desired value from the pull-down list of DTMF Type. Click Confirm to accept the change. CODEC is an abbreviation of COmpress-DECompress, and is capable of coding or decoding a digital data stream or signal by implementing an algorithm. The object of the algorithm is to represent the high-fidelity audio/video signal with a minimum number of bits while retaining quality.
Page 137 Web User Interface which may lead to the audio sequence incompatibility problems between Yealink and certain devices. You can enable the special audio codec byte sequence feature to solve these incompatibility problems. To configure audio codecs via web user interface: Click on Account->Codec.
Page 138: Video Codecs
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint (Optional.) If Yealink device has audio problems with certain device, select Enabled from the pull-down list of Special audio codec byte sequence. Click Confirm to accept the change. The video codec that the endpoint uses to establish a call should be supported by the server.
Page 139 Configuring Call Preferences Video codecs parameters on the endpoint are described below: Parameter Description Configuration Method Specifies the enabled video codecs for the endpoint to use. Enable Codecs Web User Interface Note: All support video codecs are enabled on the endpoint by default.
Page 140: Call Protocol
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint The endpoint supports SIP and H.323 protocols for incoming and outgoing calls. H.323 is commonly used to communicate to other video conferencing endpoint. SIP is commonly used to communicate with other VoIP devices. The default call protocol on the endpoint is Auto.
Page 141: Do Not Disturb
Configuring Call Preferences Select the desired value from the pull-down list of Call Protocol. Click Confirm to accept the change. To configure call protocol via the remote control: Select Menu->Call Features ->Call Protocol. Select the desired value from the pull-down list of Call Protocol. Press the Save soft key to accept the change.
Page 142 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Select the desired value from the pull-down list of DND. Click Confirm to accept the change. If Enabled is selected, the display device will display , and the LCD screen of the video conferencing phone will display To configure DND via the remote control: Select Menu->Call Features.
Page 143: Auto Answer
Configuring Call Preferences The auto answer feature allows the endpoint to answer incoming calls automatically. The auto answer mute feature allows the endpoint to turn off the microphone when an incoming call is answered automatically. The auto answer mute feature is available only when the auto answer feature is enabled.
Page 144: Call Match
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Select the desired value from the pull-down list of Auto Answer Multiway. Click Confirm to accept the change. If Enabled is selected, the display device will display , and the LCD screen of...
Page 145: History Record
Configuring Call Preferences To configure call match via web user interface: Click on Setting->Call Features. Select the desired value from the pull-down list of Call Match. Click Confirm to accept the change. To configure call match via the remote control: Select Menu->Call Features.
Page 146 The endpoint automatically detects the available bandwidth for call connection by default. The VC110 supports connecting to other devices with different bandwidth. If a device with lower bandwidth joins a call, the video quality will stay the same or will not reduce a lot.
Page 147: Bandwidth
Configuring Call Preferences Bandwidth settings parameters on the endpoint are described below: Parameter Description Configuration Method Specifies the maximum transmitting bandwidth for the endpoint. Remote Control Uplink Bandwidth Default: Auto Web User Interface If Auto is selected, the endpoint will negotiate the appropriate uplink bandwidth automatically.
Page 148: Video Size Mode
Select the desired value from the pull-down list of Downlink Bandwidth. Press the Save soft key to accept the change. You can configure video size mode for the VC110 video conferencing endpoint according to current network environment. The video size mode parameters on the endpoint are described below:...
Page 149: Ringback Timeout
Select the desired value from the pull-down list of Video Size Mode. Click Confirm to accept the change. Ringback timeout defines a specific period of time within which the VC110 video conferencing endpoint will cancel the dialing if the call is not answered.
Page 150: Auto Refuse Timeout
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Select the desired value from the pull-down list of Ringback Timeout(30-240). Click Confirm to accept the change. Auto refuse timeout defines a specific period of time within which the video conferencing endpoint will stop ringing if the call is not answered.
Page 151: Sip Ip Call By Proxy
Configuring Call Preferences Select the desired value from the pull-down list of Auto Refuse Timeout (30-240). Click Confirm to accept the change. If the account of far site is an URI address (Username@Server), near site can use SIP IP call or SIP account to connect to the far site. The SIP IP call by proxy parameters on the endpoint are described below: Parameter Description...
Page 152: Default Layout Of Single Screen
Select the desired value from the pull-down list of SIP IP Call by proxy. Click Confirm to accept the change. When only one display device is connected to the VC110 all-in-one unit (single screen), you can configure the default screen layout when a call is established.
Page 153 Configuring Call Preferences Parameter Description Configuration Method Default: Remote Full screen If it is set to Remote big Local small, the remote video image is shown in big size, and the local video image along the right side of the screen is shown in small size when a call is established.
Page 154 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint...
Page 155: Configuring Endpoint Settings
Configuring Endpoint Settings This chapter provides information for making configuration changes for the endpoint, such as language, time and date, backlight of the video conferencing phone, vido&audio settings and camera settings: Topics include: General Settings  Audio Settings  Adjusting MTU of Video Packets ...
Page 156 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method Default: Yealink VC110 To configure the site name via web user interface: Click on Setting->General. Edit the site name in the Site Name field. Click Confirm to accept the change.
Page 157: Language
Configuring Endpoint Settings The backlight parameter on video conferencing phone is described below: Parameter Description Configuration Method Configures the backlight time of the video conferencing phone. Backlight Time Web User Interface Default: Always On To configure the backlight time of the video conferencing phone via web user interface: Click on Setting->General.
Page 158 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method phone. Default: English To specify the language for the web user interface via web user interface: Click Language at the top of the web page. Select the desired language from the pull-down list of Language.
Page 159 Configuring Endpoint Settings Daylight Saving Time Daylight Saving Time (DST) is the practice of temporary advancing clocks during the summertime so that evenings have more daylight and mornings have less. Typically, clocks are adjusted forward one hour at the start of spring and backward in autumn. Many countries have used DST at various times, details vary by location.
Page 160 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Configuration Parameter Description Method end time and offset according to your needs. Automatic-use DST.  DST will be configured automatically. You do not need to manually configure the start time, end time and offset.
Page 161 Configuring Endpoint Settings Configuration Parameter Description Method method is set to By Week. DST Start Day of Week Configures the time to start DST. DST Start Day of Week Last Note: It only works if the value in Month of the Daylight Saving Time is set to Enabled.
Page 162: Date & Time
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Configuration Parameter Description Method MM/DD/YY  DD MMM YYYY  WWW DD MMM  Default: YYYY-MM-DD To configure the NTP server, time zone and DST via web user interface: Click on Setting-> Date& Time.
Page 163 Configuring Endpoint Settings Day of Week and DST Stop Day of Week Last in Month. Enter the desired time in the Start Hour of Day field. Enter the desired time in the End Hour of Day field. Enter the desired offset time in the Offset (minutes) field. Click Confirm to accept the change.
Page 164: Automatic Sleep Time
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Select the desired value from the pull-down list of Date Format. Click Confirm to accept the change. To configure the time and date format via the remote control: Select Menu->Basic->Date & Time.
Page 165: Hide Ip Address
Configuring Endpoint Settings Parameter Description Configuration Method disabled automatically. To protect the display device, you should configure the automatic sleep time immediately. To configure the automatic sleep time via web user interface: Click on Setting->General. Select desired value from the pull-down list of Automatic Sleep Time. Click Confirm to accept the change.
Page 166: Relogofftime
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint To enable the hide IP address feature via web user interface: Click on Setting->General. Select Enabled from the pull-down list of Hide IP Address. Click Confirm to accept the change. The IP address is hidden from the status bar of the display device.
Page 167: Key Tone
Configuring Endpoint Settings Enter the desired time in the ReLogOffTime (1-1000min) field. Click Confirm to accept the change. You can enable the key tone feature for the endpoint to make a keyboard click sound effect (key tone) when pressing a key on the remote control. If you disable this feature or endpoint , the endpoint will not play a key tone when you ringer volume is adjusted to 0...
Page 168: Hiding Icons In A Call
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Click Confirm to accept the change. To configure the key tone via the remote control: Select Menu->Basic. Mark the radio box in the Key Tone field. Press the Save soft key to accept the change.
Page 169 Configuring Endpoint Settings Parameter Description Configuration Method displays mute icon during a call. Default: Disabled Enables or disables the endpoint to hide camera icon ( during a call. Disabled- the endpoint does  not display camera icon during a call. Hide with UI- the endpoint ...
Page 170 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method Hide with UI- the endpoint  displays site name icon during a call, but the site name icon will hide with UI. Enabled- the endpoint  displays site name icon during a call.
Page 171 Configuring Endpoint Settings Parameter Description Configuration Method volume is set to 0: ) during a call. Disabled- the endpoint does  not display output mute icon during a call. Hide with UI- the endpoint  displays output mute icon during a call, but the output mute icon will hide with UI.
Page 172: Audio Output Device
By default, the endpoint automatically selects the audio output devices with highest priority. The priority is: VCS Phone> HDMI>Line Output. If the audio output device with highest priority is removed from the VC110, the VC110 will select the next highest priority device.
Page 173  Remote Control Audio Output speakerphone connected to Web User Interface the Line Out port on the VC110 all-in-one unit. VCS Phone - selects the  video conferencing phone. Default: Auto. If VCS Phone is selected as the audio output device manually or...
Page 174: Audio Settings
Wired Micpod (VCM30)  Wireless Micpod (VCM60)  Built-in Micphone (built-in micphone of VC110)  Line Input (microphone connected to the Line In port on the VC110 all-in-one unit)  Line In + VCS Phone  Line In + Wired Micpod ...
Page 175 By default, the VC110 automatically selects the audio input devices with the highest priority. If you select ―Line In + device‖ option, the VC110 will use microphone connected to the Line In port and the device to pick up audio at the same time.
Page 176 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method selects microphone connected to the Line In port on the VC110 all-in-one unit and VCM30 video conferencing microphone array. Line In + Wireless Micpod-  selects the microphone...
Page 177 Configuring Endpoint Settings To configure the audio input device via web user interface: Click on Setting->Video & Audio. Select the desired value from the pull-down list of Audio Input. Click Confirm to accept the change. To configure the audio input device via the remote control: Select Menu->Video &...
Page 178 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint The MTU parameter on the endpoint is described below. Parameter Description Configuration Method Specifies the maximum MTU size (in bytes) of video packets sent by the endpoint. Valid Values: Integer from 1000 to...
Page 179: Dual-Stream Protocol
The Yealink video conferencing endpoint supports the standard H.239 protocol and BFCP (Binary Floor Control Protocol). H.239 protocol is used when sharing content with the far site in H.323 calls. BFCP protocol is used when sharing content with the far site in SIP calls.
Page 180 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Select the desired value from the pull-down list of H.239. Click Confirm to accept the change. To configure dual-stream protocol for SIP call via web user interface: Click on Account->SIP Account.
Page 181 Configuring Endpoint Settings Select the desired value from the pull-down list of BFCP. Click Confirm to accept the change. To configure dual-stream protocol for SIP IP call via web user interface: Click on Account->SIP IP Call. Select the desired value from the pull-down list of BFCP. Click Confirm to accept the change.
Page 182: Mix Sending
Content sharing allows users to share content with other conference participants during a call. When a PC is connected to the PC port on the VC110 all-in-one unit, the display device can display both the camera video and the shared content. The content sharing feature is very useful in the conference scenario in which content sharing is needed (e.g., a slide or a flash).
Page 183 Configures the white balance mode of the camera. Remote Control White Balance Auto—Yealink recommends  Mode Web User Interface this setting for most situations. It calculates the best white balance setting...
Page 184 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method based on lighting conditions in the room. One push—Use the  predefined color temperature settings to provide acceptable color reproduction. ATW—Automatically adjust  the white balance based on the video image shoot by the camera.
Page 185 Configuring Endpoint Settings Parameter Description Configuration Method and clear, but moderate to heavy motion at low call rates can cause some frames to be dropped. Configures the brightness of the camera. Remote Control Brightness Valid Values: 0-100 Web User Interface Default: 50 Configures the contrast of the camera.
Page 186 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method Reversed. Enables or disables the preview of camera presets. Remote Control Default: On Camera Map Web User Interface Note: If it is set to On, you can view the pre-saved camera presets.
Page 187: Far-End Camera Control
Configuring Endpoint Settings To configure camera settings via the remote control: Select Menu->Video & Audio->Camera General Settings. Configure the camera settings. Press the Save soft key to accept the change. Local video is displayed on the display device of the far site during a call. For the best view, you can enable the Far Control of Near Camera feature to allow the far site to control the focus and angle of the local camera.
Page 188: Camera Control Protocol
Make the desired changes. Press the Save soft key to accept the change. VC110 video conferencing endpoint supports camera control protocols: FECC (Far End Camera Control). You can enable the FECC protocol for SIP call or H.323 call. If far site wants to control the local camera, both the far site and near site should enable the camera control protocol simultaneously.
Page 189 Configuring Endpoint Settings Parameter Description Configuration Method control near camera in H.323 calls. Default: Enabled Enables or disables the FECC (SIP) protocol for far site to control near camera in SIP calls FECC(SIP) Web User Interface or SIP IP calls. Default: Disabled To configure camera control protocol for H.323 calls via web user interface: Click on Account->H323.
Page 190 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Select the desired value from the pull-down list of FECC(SIP). Click Confirm to accept the change. To configure camera control protocol for SIP IP call via web user interface: Click on Account->SIP IP Call.
Page 191: Output Resolution
VC110 video conferencing endpoint supports output resolution adjustment. You can adjust output resolution of primary/secondary display device respectively. Make sure the display device has connected to the VC110 all-in-one unit before configuration. The output resolution parameters on the endpoint are described below.
Page 192: Video Recording
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Select the desired value from the pull-down list of Display2. Click Confirm to accept the change. You can record local video via the remote control when the endpoint is idle. During a call, the video and presentation which are shown on the display device can be recorded via the remote control and video conferencing phone.
Page 193 Configuring Endpoint Settings Parameter Description Configuration Method Note: The auto recording feature is available only when the recording feature is enabled. To configure video recording via web user interface: Click on Setting->Video & Audio. Select the desired value from the pull-down list of Recording. Select the desired value from the pull-down list of Auto Recording.
Page 194: Screenshot
You can capture the screenshot from the camera via the remote control or web user interface. Before capturing the screenshot, you need to insert a USB flash drive to the USB port on the VC110 all-in-one unit to store screenshots. The screenshot parameter on the endpoint is described below.
Page 195: Tones
Configuring Endpoint Settings Select the desired value from the pull-down list of Screenshot. Click Confirm to accept the change. To capture screenshots via web user interface: Click Home->Screenshot when the endpoint is idle or during a call. To capture screenshots via the remote control: Press when the endpoint is idle or during a call.
Page 196 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Czech  Czech ETSI  Denmark  Finland  France  Germany  Great Britain  Greece  Hungary  Lithuania  India  Italy  Japan  Mexico  New Zealand ...
Page 197 Configuring Endpoint Settings Parameter Description Configuration Method Default: Custom Customizes the ring-back tone for the endpoint. tone = element1[,element2] [,element3]…[,element8] Where element = [!]Freq1[+Freq2][+Freq3][+Freq4 ] /Duration Freq: the frequency of the tone (ranges from 200Hz to 7000 Hz). If it is set to 0Hz, it means the tone is not played.
Page 198 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method Default: Blank Note: It only works if the parameter ―Select Country‖ is set to Custom. Customizes the call waiting tone for the endpoint. For more information on how to customize the tone, refer to the parameter ―Ring Back‖.
Page 199 Configuring Endpoint Settings Click Confirm to accept the change.
Page 200 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint...
Page 201: Local Directory
Dual Screen  The VC110 endpoint can store up to 500 local contacts. You can add multiple numbers for a contact (at most 3). You can import or export the contact list to share the local directory. The endpoint only supports the XML and CSV format contact lists.
Page 202 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Click Confirm to accept the change. To edit contacts via web user interface: Click on Directory->Local Directory. Hover your cursor over the contact you want to edit. Click in the pop-up detail box.
Page 203 Endpoint Management Click Browse to locate a contact list file (file format must be *.xml) from your local endpoint. Click Confirm to import the contact list. The web user interface prompts "Contacts imported successfully!". To import a CSV file of contact list via web user interface: Click on Directory->Local Directory.
Page 204 LDAP (Lightweight Directory Access Protocol) is an application protocol for accessing and maintaining information services for the distributed directory over an IP network. Yealink VC110 endpoint is configurable to interface with a corporate directory server that supports LDAP version 2 or 3. The following LDAP servers are supported:...
Page 205 Endpoint Management Microsoft Active Directory  Sun ONE Directory Server  Open LDAP Directory Server  Microsoft Active Directory Application Mode (ADAM)  The biggest plus for LDAP is that users can access the central LDAP directory of the corporation using the endpoint. Therefore they do not have to maintain the local directory.
Page 206 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint LADP parameters are described below: Parameter Description Configuration Method Enables or disables the LDAP feature on the endpoint. LDAP Enable Web User Interface Default: Disabled Configures the name attribute for LDAP searching.
Page 207 Endpoint Management Parameter Description Configuration Method Configures the maximum number Max Hit(1~32000) of search results to be returned Web User Interface by the LDAP server. Configures the name attributes of each record to be returned by the LDAP server. LDAP Name Web User Interface Attributes Note: multiple name attributes...
Page 208 Select the desired values from the corresponding pull-down lists. Click Confirm to accept the change. The VC110 video conferencing endpoint maintains call history lists of All Calls, Missed Calls, Placed Calls and Received Calls. Call history lists supports up to 100 entries. You can view the call history, place a call or delete an entry from the call history list.
Page 209 Endpoint Management To view call history via web user interface: Click on Directory->History. The web user interface displays all call history. Click All Calls, select the desired call history list. To place a call from the call history list via web user interface: Click on Directory->History.
Page 210 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Click Delete Calllog, and select Selected. The web user interface prompts ‖Delete the calllog ‗xxx‘？‖ Click Confirm to delete the call log. You can also select Delete All from the from the pull-down list of Delete Calllog to delete all call log.
Page 211 The VC110 has two display ports. When connecting only one display device to the VC110 all-in-one unit, Display1 port is the only available port. To make it easier for users to view video images, users can connect two display devices to Display1 and Display2 ports respectively.
Page 212 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint When the endpoint is idle and starts a presentation.  In the primary display device, the local video image is shown in full size. In the secondary display device, the presentation is shown in full size (no menu and status bar).
Page 213 Endpoint Management The secondary display device displays the selected content. The icon is displayed on the focus content. After reassigning the display content on the secondary display device, the presentation will automatically be displayed on the primary display device.
Page 214 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint...
Page 215: Configuring Security Features
Configuring Security Features This chapter provides information for making configuration changes for the following security-related features: User Mode  Administrator Password  Web Server Type  Transport Layer Security  Secure Real-Time Transport Protocol  H.235  Attack Defense in Public Network ...
Page 216 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method user to access the menus or log into the web user interface. Note: It can only be configured when the user mode is enabled. The endpoint supports ASCII characters 32-126(0x20-0x7E) in passwords.
Page 217: Administrator Password
Configuring Security Features Parameter Description Configuration Method Enters the old administrator password. Remote Control Old Password Note: The default administrator Web User Interface password is ―0000‖. Configures a new administrator password. Remote Control New Password Note: You can leave the Web User Interface password blank.
Page 218: Web Server Type
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Web server type determines the access protocol of the endpoint‘s web user interface. The endpoint supports both HTTP and HTTPS protocols for accessing the web user interface. HTTP is an application protocol that runs on top of the TCP/IP suite of protocols.
Page 219 Configuring Security Features Parameter Description Configuration Method user to access the web user interface of the endpoint. Valid Values: 1-65535 Default: 443 Note: Ensure that the configured port is not used. If you change this parameter, the endpoint will reboot to make the change take effect.
Page 220 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint The display device prompts ―Reboot now?‖. Select OK to reboot the endpoint immediately. TLS is a commonly-used protocol for providing communications privacy and managing the security of message transmission, allowing the endpoint to communicate with other remote parties and connect to the HTTPS URL for provisioning in a way that is designed to prevent eavesdropping and tampering.
Page 221 Configuring Security Features EXP1024-RC4-SHA  EXP1024-RC4-MD5  EXP-EDH-RSA-DES-CBC-SHA  EXP-EDH-DSS-DES-CBC-SHA  EXP-DES-CBC-SHA  EXP-RC4-MD5  The following figure illustrates the TLS messages exchanged between the endpoint and TLS server to establish an encrypted communication channel: Step1: The endpoint sends ―Client Hello‖ message proposing SSL options. Step2: Server responds with ―Server Hello‖...
Page 222 *.pem and *.cer. A unique server certificate: It is installed by default and is unique to a endpoint (based on the MAC address) and issued by the Yealink Certificate Authority (CA). A generic server certificate: It is installed by default and is issued by the Yealink Certificate Authority (CA).
Page 223 Configuring Security Features Parameter Description Configuration Method trusted certificates list. Only when the authentication succeeds, will the endpoint trust the server. If you change this parameter, the endpoint will reboot to make the change take effect. Enables or disables the endpoint to mandatorily validate the CommonName or SubjectAltName of the certificate...
Page 224 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method Custom Certificates  Default: Default Certificates Note: If you change this parameter, the endpoint will reboot to make the change take effect. Upload the custom device certificate to the endpoint.
Page 225 Configuring Security Features Click Confirm to reboot the endpoint immediately. To configure TLS for the SIP account via web user interface: Click on Account->SIP Account. Select TLS from the pull-down list of the Transport. Click Confirm to accept the change.
Page 226 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint To upload a CA certificate via web user interface: Click on Security->Trusted Certs. Click Browse to locate the certificate (*.pem,*.crt, *.cer or *.der) from your local endpoint. Click Upload to upload the certificate.
Page 227: Secure Real-Time Transport Protocol
Configuring Security Features To upload a device certificate via web user interface: Click on Security->Server Certs. Click Browse to locate the certificate (*.pem or *.cer) from your local endpoint. Click Upload to upload the certificate. During a confidential call, you can configure Secure Real-Time Transport Protocol (SRTP) to encrypt RTP streams to avoid interception and eavesdropping.
Page 228 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint a=rtpmap:9 G722/8000 a=fmtp:101 0-15 a=rtpmap:101 telephone-event/8000 a=ptime:20 a=sendrecv The callee receives the INVITE message with the RTP encryption algorithm, and then answers the call by responding with a 200 OK message which carries the negotiated RTP encryption algorithm.
Page 229 Configuring Security Features Rules of SRTP for media encryption in SIP calls: Near Compulsory Optional Disabled Compulsory SRTP Call SRTP Call Fail to establish call Optional SRTP Call SRTP Call RTP Call Disabled Fail to establish call RTP Call RTP Call When SRTP is enabled on both endpoints, RTP streams will be encrypted, and the lock icon appears on the display device of each endpoint after successful negotiation.
Page 230: H.235
Select the desired value from the pull-down list of SRTP. Click Confirm to accept the change. Yealink VC110 video conferencing endpoints support H.235 128-bit AES algorithm using the Diffie-Hellman key exchange protocol in H.323 calls. To use H.235 feature for H.323 calls, the participants in the call must enable the H.235 feature simultaneously.
Page 231 Configuring Security Features Near Compulsory Optional Disabled Compulsory Encrypted Call H.235 Call Fail to establish call Optional H.235 Call H.235 Call Unencrypted Call Disabled Fail to establish a call RTP Call RTP Call When H.235 is enabled on both endpoints, calls will be encrypted, and the lock icon appears on the display device of each endpoint during a call..
Page 232: Abnormal Call Answering
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint The abnormal call answering parameters on the endpoint are described below: Parameter Description Configuration Method Specifies the account type for answering SIP incoming call from public network. Disabled—reject the SIP  incoming call from public network.
Page 233 Configuring Security Features Select the desired value from the pull-down list of Abnormal call answering. Click Confirm to accept the change. You can configure safe mode call feature to handle abnormal H.323 calls. The safe mode call parameters on the endpoint are described below: Parameter Description Configuration Method...
Page 234 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint To configure safe mode call via web user interface: Click on Setting->Call Features. Select the desired value from the pull-down list of Safe mode call. Click Confirm to accept the change.
Page 235: Endpoint Maintenance
The newly released firmware version may add new features. Because of this, Yealink recommends you to update the latest firmware. You can upgrade the endpoint firmware via web user interface. The firmware name of the VC110 video conferencing endpoint is: 50.x.x.x.rom (x is the actual firmware version). You can download the latest firmware version from the Yealink website.
Page 236 Don‘t close or refresh the web page when upgrading the firmware via web user interface. We may need you to provide the endpoint configurations for the Yealink field application engineers to help analyze problems. You can import configurations to your endpoint to configure your endpoint quickly.
Page 237 It is not possible to undo a factory reset. But you can export the configuration first, and then you can re-import the configuration to recovery the endpoint after the reset. You can reset the endpoint via the reset key on the VC110 all-in-one unit, remote control or web user interface.
Page 238 SNMP server. The SNMP server may send requests from any available source port to the configured port on the client, while the client responds to the source port on the SNMP server. Yealink endpoints only support the GET request from the SNMP server.
Page 239 Endpoint Maintenance Description For example, Yealink VCS. The physical location of the endpoint. 1.3.6.1.2.1.37459.2.1. YEALINK-MIB For example, Server Room The time (in milliseconds) since the 1.3.6.1.2.1.37459.2.1. network management portion of the YEALINK-MIB endpoint was last re-initialized. 1.3.6.1.2.1.37459.2.1. YEALINK-MIB The firmware version of the endpoint.
Page 240 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method reboot to make the change take effect. Specifies the SNMP port. Valid Values: 1-65535 Default: 161 Port Web User Interface Note: If you change this parameter, the endpoint will reboot to make the change take effect.
Page 241 Endpoint Maintenance Multiple IP addresses or domain names should be separated by spaces. Click Confirm to accept the change. A dialog box pops up to prompt that the settings will take effect after a reboot. Click Confirm to reboot the endpoint immediately.
Page 242 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint...
Page 243: Troubleshooting
Troubleshooting This chapter provides an administrator with general information for troubleshooting some common problems that he (or she) may encounter while using the VC110 video conferencing endpoint. The endpoint can provide feedback in a variety of forms, such as log files, packets, status indicators and so on, which can help an administrator to find the endpoint problem more easily and resolve it.
Page 244 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method Server-export the endpoint  log to the specified server. Default: Local Specify the server address where the log will be exported. Web User Interface Note: It only works if the Server Name parameter ―Export System Log‖...
Page 245 Troubleshooting To export a log file to the local endpoint via web user interface: Click on Setting->Configuration. Mark the Local radio box In the Export System Log field. Click Export to open the file download window, and then save the file to your local endpoint.
Page 246 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Mark the Server radio box in the Export System Log field. Enter the IP address or domain name of the syslog server in the Server Name field. A dialog box pops up to prompt that settings will take effect after a reboot.
Page 247 Troubleshooting Parameter Description Configuration Method packet filter string. SIP or H245 or H225—Capture  SIP, H245 and H225 packets. RTP—Capture RTP packets.  Default: SIP or H245 or H225 Customizes the packet filter string. Syntax: Protocol+Direction+Host(s)+ Value +Logical Operations+Other Expression Protocol: Values: ether, fddi, ip, arp, rarp, decnet, lat, sca, moprc, mopdl, tcp...
Page 248 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Parameter Description Configuration Method precedence and associate left to right. For example: "not tcp port 3128 and tcp port 23" is equivalent to "(not tcp port 3128) and tcp port 23". "not tcp port 3128 and tcp port 23" is NOT equivalent to "not (tcp port...
Page 249: Icon Instructions On
Troubleshooting Click Export to open the file download window, and then save the file to your local endpoint. To capture packets using the Ethernet software: Connect the Internet ports of the endpoint and the PC to the same HUB, and then use Sniffer, Ethereal or Wireshark software to capture the signal traffic.
Page 250 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint You can enter the view call statistics screen during an active call. Information includes: Total Bandwidth: Uplink Bandwidth and Downlink Bandwidth.  Video: Resolution, Codec, Bandwidth, Frame Rate, Jitter, Total Packet Lost, Packet ...
Page 251 The display device displays the network diagnose information. Press the Back soft key to return to the Diagnose menu. If the test is successful, the VC110 endpoint lists the hops between the endpoint and the IP address you entered. You can check whether congestion happens via the time cost between hops.
Page 252: Troubleshooting Solutions
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint The web page displays the diagnosis: Click Stop to complete diagnosing. You can click Copy to copy the content to the clipboard. This chapter provides general troubleshooting solutions to help you solve the problems you might encounter when using your endpoint.
Page 253 Troubleshooting Check whether the display device is connected properly to the VC110 all-in-one  unit. Check whether the endpoint is in sleep mode. Press any key on the video  conferencing phone or remote control to resume endpoint operation. Check whether the display device is in sleep mode or is turned off. Press the power ...
Page 254 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Check whether the far site rejects your call.  Check whether the firewall blocks the inbound traffics from the other site.  Check whether the far site has already up to maximum call-in limitation.
Page 255 Troubleshooting You can adjust the camera when the endpoint is idle or during a call. The camera  cannot be adjusted when the endpoint is in the menu screen. Ensure that the batteries in the remote control are in good working condition, and ...
Page 256 For more information, refer to Audio Codecs on page 124. For best results, ensure that the caller is using a Yealink VC110 video conferencing  endpoint. Audio quality from your VC110 video conferencing endpoint will vary when calling a non-Yealink endpoint.
Page 257 Check the screen layout to see whether the remote video image is shown in full  size. Check whether the Display1 port of VC110 all-in-one unit is connected to the HDMI  port on the display device. Check whether a PC is connected to the VC110 all-in-one unit.
Page 258 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint have the same effect as a static image. Configure the automatic sleep time to be 1 hours or less.  Consider decreasing the monitor‘s sharpness, brightness, and contrast settings if  they are set to their maximum values.
Page 259: Appendix
Appendix Time Zone Time Zone Name −11:00 Samoa −10:00 United States-Hawaii-Aleutian −10:00 United States-Alaska-Aleutian −09:30 French Polynesia −09:00 United States-Alaska Time −08:00 Canada(Vancouver, Whitehorse) −08:00 Mexico(Tijuana, Mexicali) −08:00 United States-Pacific Time −07:00 Canada(Edmonton, Calgary) −07:00 Mexico(Mazatlan, Chihuahua) −07:00 United States-Mountain Time −07:00 United States-MST no DST −06:00...
Page 260 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Time Zone Time Zone Name Greenland Denmark-Faroe Islands(Torshavn) Ireland(Dublin) Portugal(Lisboa, Porto, Funchal) Spain-Canary Islands(Las Palmas) United Kingdom(London) Morocco +01:00 Albania(Tirane) +01:00 Austria(Vienna) +01:00 Belgium(Brussels) +01:00 Caicos +01:00 Chad +01:00 Spain(Madrid) +01:00 Croatia(Zagreb)
Page 261 Appendix Time Zone Time Zone Name +03:00 Iraq(Baghdad) +03:00 Russia(Moscow) +03:30 Iran(Teheran) +04:00 Armenia(Yerevan) +04:00 Azerbaijan(Baku) +04:00 Georgia(Tbilisi) +04:00 Kazakhstan(Aktau) +04:00 Russia(Samara) +04:30 Afghanistan(Kabul) +05:00 Kazakhstan(Aqtobe) +05:00 Kyrgyzstan(Bishkek) +05:00 Pakistan(Islamabad) +05:00 Russia(Chelyabinsk) +05:30 India(Calcutta) +05:45 Nepal(Katmandu) +06:00 Kazakhstan(Astana, Almaty) +06:00 Russia(Novosibirsk, Omsk) +06:30 Myanmar(Naypyitaw)
Page 262 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Time Zone Time Zone Name +13:00 Tonga(Nukualofa) +13:30 Chatham Islands +14:00 Kiribati Yealink IP phones trust the following CAs by default: DigiCert High Assurance EV Root CA  Deutsche Telekom AG Root CA-2 ...
Page 263  Note Yealink endeavors to maintain a built-in list of most common 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 not in the list above, you can send a request to your local distributor.
Page 264 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint...
Page 265 Index Numeric Configuring Network Speed and Duplex 802.1x Authentication Mode Configuring Packets Configuring Safe Mode Call Abnormal Call Answering Configuring Security Features About This Guide Configuring SIP Settings Adjusting MTU of Video Packets Configuring the Endpoint for Use with a Administrator Password Firewall or NAT Analyzing Configuration Files...
Page 266 Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint Getting Started Packaging Contents Physical Features of Endpoint H.235 Placing a Test Call from the Yealink Video H.323 Tunneling Conferencing Endpoint H.460 Firewall Traversal Powering the Endpoint On and Off Hide IP Address...
Page 267: Index
Index User Interfaces User Mode Using Diagnostic Methods VC110 All-in-One Unit VC110 Video Conferencing Endpoint Introduction...
Page 268: Video & Audio Issues
Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint VCM30 Video Conferencing Microphone Array VCM60Video Conferencing Wireless Microphone VCR10 Remote Control Video & Audio Issues Video Conferencing Phone Video Recording Video Size Mode Viewing Call Statistics Viewing Log Files VLAN VoIP Principles...

Yealink VC110 Administrator's Manual

Table of Contents

VC110 Video Conferencing Endpoint Introduction

Configuring Network

Configuring Call Preferences

Configuring Endpoint Settings

Endpoint Management

Configuring Security Features

Endpoint Maintenance

Troubleshooting

Appendix

Index

Quick Links

Troubleshooting

Need help?

Questions and answers

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Summary of Contents for Yealink VC110

Table of Contents