The request message for the operation isEnabled(). The response message for the operation isEnabled(). The request message for the operation setEnabled(). The response message for the operation setEnabled(). The request message for the operation setCallee(). The response message for the operation setCallee(). The request message for the operation getCallee(). The response message for the operation getCallee(). The request message for the operation setSeconds(). The response message for the operation setSeconds(). The request message for the operation getSeconds(). The response message for the operation getSeconds(). Check if enabled. Set state enabled. Set callee id. Get callee id. Set forwarding delay in seconds. Get forwarding delay in seconds.