Administrator’s Guide for Yealink Video Conferencing Systems122Configuring SIP SettingsYealink VC400/VC120 video conferencing system support Session Initiation Protocol (SIP). Ifyour server supports SIP, you can use SIP to establish calls.SIP AccountTo establish calls using SIP, you can configure a SIP account for the system.SIP account parameters on the system are described below:Parameter Description Configuration MethodSIP AccountEnables or disables the SIP account.Default: EnabledRemote ControlWeb User InterfaceRegister NameConfigures the user name of the SIPaccount for register authentication.Default: BlankRemote ControlWeb User InterfaceUser NameSpecifies the user name to use forauthentication when registering witha SIP server.Default: BlankRemote ControlWeb User InterfacePasswordSpecifies the password associatedwith the user name used toauthenticate the system to the SIPserver.Default: BlankRemote ControlWeb User InterfaceServer/ServerHostConfigures the IP address or domainname of the SIP server for the SIPaccount.Default: BlankRemote ControlWeb User InterfaceSIP ServerPort/PortConfigures the port of the SIP server.Valid values: Integer from 0 to65535.Default: 5060Web User InterfaceOutbound/EnableOutbound ProxyServerEnables or disables the system tosend requests of the SIP account tothe outbound proxy server.Default: DisabledRemote ControlWeb User InterfaceOutbound Configures the IP address or domain Remote Control