Administrator’s Guide for Yealink Video Conferencing Systems1263. Select the desired value from the pull-down list of Transport.4. Press the Save soft key to accept the change.Configuring H.323 SettingsYealink VC400/VC120 video conferencing systems support H.323 protocol. If your network usesa gatekeeper, you can register an H.323 account for the system, and specify its H.323 name andextension. This allows others to call the system by entering the H.323 name or extension insteadof the IP address.SIP settings parameters on the system are described below:Parameter Description Configuration MethodH.323 ProtocolEnables or disables the H.323protocol.Default: Enabled.Note: Only when it is set to Enabled,can H.323 account be registered.When it is set to Enabled on bothsites, the VC400/VC120 can call thefar site by dialing an IP addressdirectly.Remote ControlWeb User InterfaceH.323 AccountEnables or disables the H.323account.Default: EnabledIf it is set to disabled, the systemcannot place or receive calls with theH.323 protocol.Remote ControlWeb User InterfaceH.323 NameSpecifies the name that gatekeepersand gateways use to identify thissystem. You can make point-to-pointcalls usingH.323 names if both system areregistered to a gatekeeper.Default: blankRemote ControlWeb User InterfaceH.323 ExtensionSpecifies the extension thatgatekeepers and gateways use toidentify this system.Default: blankNote: Users can place point-to-pointcalls using the extension if bothRemote ControlWeb User Interface