Microsoft® Computer Dictionary

Chapter 9. H

H n.

See henry n..

H.320 n.

An International Telecommunications Union (ITU) standard that enables interoperability among video-conferencing equipment from different manufacturers over circuit-switched services such as ISDN, thus making desktop video conferencing viable. H.320 establishes the common formats necessary to make audio and video inputs and outputs compatible and defines a protocol that makes it possible for a multimedia terminal to use audio/visual communications links and synchronization. See also ITU n., ISDN n., video conferencing n..

H.323 n.

An International Telecommunications Union (ITU) interoperability protocol enabling cross-communication of multimedia products and applications over packet-based networks. Under H.323, ...