Patent ID: 6925076

Claim:
A method of supporting an H.323 call using an H.323 system, the H.323 system including an edge device and a call-switching device, the edge device coupled in communication with the call-switching device, the edge device having a first H.323 port, the method comprising: receiving from an H.323 node a first admission request transmitting from the edge device to the call-switching device a second admission request for the H.323 call; responsive to transmitting the second admission request, receiving from the call-switching device at the edge device an admission confirmation for the H.323 call indicating that the H.323 call can proceed; storing on the edge device call state information corresponding to a state of the H.323 call; updating the call state information on the edge device after receiving the admission confirmation, responsive to receiving at the edge device a first registration request associated with the H.323 call, transmitting from the edge device to the call-switching device a second registration request corresponding to the first registration request; responsive to transmitting the second registration request, receiving from the call-switching device on the edge device a first response to the second registration request; and updating the call status information on the edge device after receiving the first response to the corresponding request.