Patent ID: 8675637

Claim:
A method comprising: receiving, into memory of a first gateway device, a SIP INVITE request from a second gateway device; establishing a media communication channel between a first H.320 or H.324 endpoint device associated with the first gateway device and a second H.320 or H.324 endpoint device associated with the second gateway device based on their respective capabilities; wherein establishing the media communication channel includes, sending by the first gateway device a SETUP message to the first H.320 or H.324 endpoint device; sending by the first gateway device a SIP 100 TRYING message to the second gateway device; receiving by the first gateway device a CONNECT message from the first H.320 or H.324 endpoint device; obtaining by the first gateway device information from the first H.320 or H.324 endpoint device indicative of the capabilities supported by the first H.320 or H.324 endpoint device, and responding by the first gateway device to the SIP INVITE request received from the second gateway device after the information has been obtained by the first gateway device that is indicative of the capabilities supported by the first H.320 or H.324 endpoint device.