An apparatus to provide audio-visual communications across Local Area Networks (LAN) had been successfully handled by H.323 at a time when a broader arena in the transportation of multimedia applications was beginning to develop. The success of H.323 was acknowledged by the International Telecommunications Union (ITU-T ) when H.323 was introduced to meet increasing demands being created by the development and increased use of VoIP. In addition to its ready availability H.323 also provided supplementary services required to resolve future commercial communication activities. H.323 was the first VoIP standard to adopt the Internet Engineering Task Force (IETF) standard Real Time Protocol (RTP) to send audio and video over IP networks.