Configuring Call Preferences1055. Select SIP Direct Call, and then press .6. Select the desired value from the pull-down list of Transport.7. Press the Save soft key to accept the change.Yealink VC110 video conferencing endpoints support H.323 protocol. If your networkuses a gatekeeper, you can register an H.323 account for the endpoint, and specify itsH.323 name and extension. This allows others to call the endpoint by entering the H.323name or extension instead of the IP address.H.323 settings parameters on the endpoint are described below:Parameter Description Configuration MethodH.323 ProtocolEnables or disables the H.323protocol.Default: Enabled.Note: only when it is set toenabled, can H.323 account beregistered. When it is set toenabled on both sites, theVC110 endpoint can call the farsite by dialing IP addressdirectly.Remote ControlWeb User InterfaceH.323 ActiveEnables or disables the H.323account.Default: EnabledIf it is set to disabled, theendpoint cannot place orreceive calls with the H.323protocol.Remote ControlWeb User InterfaceH.323 NameSpecifies the name thatgatekeepers and gateways useto identify this endpoint. Youcan make point-to-point callsusingH.323 names if both endpointsare registered to a gatekeeper.Default: BlankRemote ControlWeb User InterfaceH.323 Extension Specifies the extension thatgatekeepers and gateways useRemote ControlWeb User Interface