H.323 is a multimedia communications normal that defines the protocols and procedures for real-time, interactive audio and video communications over packet-switched networks. It was developed by the Worldwide Telecommunication Union (ITU) as a means to offer interoperability between totally different multimedia conferencing programs.
H.323 relies on the ITU-T H.320 normal, which defines the fundamental necessities for multimedia conferencing. H.323 provides help for a wider vary of audio and video codecs, in addition to options resembling name management, encryption, and bandwidth administration. H.323 has been extensively adopted by companies and organizations for video conferencing, distance studying, and different multimedia purposes.