Webopedia Staff
Last Updated May 24, 2021 7:44 am
H.225.0 is a key protocol in the H.323 VoIP architecture defined by ITU-T. H.225.0 describes how audio, video, data and control information on a packet based network can be managed to provide conversational services in H.323 equipment. H.225.0 has two major parts: Call signaling and RAS (Registration, Admission and Status).