Definitions for "H.323"
The ITU-T umbrella standard defining multimedia videoconferencing on a LAN.
The H.323 spec defines packet standards which provide a foundation for audio, video and data communications across IP-based networks, including the Internet. Gateway systems that convert data voice to PCM voice are often termed "H.323 gateways".
ITU-T ‘umbrella’ recommendation that covers the technical requirements for packet-based multimedia communications systems. Typically used over IP networks.
Keywords:  hairpin