Configuring Call Preferences127Parameter Description Configuration Methodsystems are registered with agatekeeper.Gatekeeper ModeConfigures the gatekeeper mode. Disabled—the system does notuse a gatekeeper. Auto—the system automaticallydiscovers a gatekeeper. Manual—specify the IP addressand port for the gatekeepermanually.Default: DisabledRemote ControlWeb User InterfaceGatekeeper IPAddress 1Configures the IP address of theprimary gatekeeper.Remote ControlWeb User InterfaceGatekeeper IPAddress 2Configures the IP address of thesecondary gatekeeper.Remote ControlWeb User InterfaceGatekeeperAuthenticationEnables or disables support forgatekeeper authentication.Default: DisabledNote: When GatekeeperAuthentication is enabled, thegatekeeper ensures that only trustedH.323 systems are allowed to accessthe gatekeeper.Remote ControlWeb User InterfaceGatekeeperUsernameSpecifies the user name forauthentication with gatekeeper.Default: blankRemote ControlWeb User InterfaceGatekeeperPasswordSpecifies the password forauthentication with gatekeeper.Default: blankRemote ControlWeb User InterfaceH.460 ActiveEnables or disables H.460 firewalltraversal feature on the system.Default: DisabledFor more information, refer to H.460Firewall Traversalon page 91.Remote ControlWeb User InterfaceH.323 Tunneling Enables or disables the H.323tunneling on the system.Remote ControlWeb User Interface