Abstract: “Nowadays, Multimedia Communication has been developed and improved rapidly in order to enable users to communicate between each other over the Internet. In general, the multimedia communication consists of audio, video and instant messages communication. This paper surveys the functions and the privileges of different VoIP protocols (i.e. InterAsterisk eXchange Protocol (IAX), Session Initiation Protocol (SIP), and H.323 protocol), Multimedia Conferencing System (MCS) (i.e. Real Time Switching Control Protocol (RSW) and Multipoint File Transfer System (MFTS), and multimedia applications (i.e. ISO MPEG-4 standards). As well as, this paper make some comparisons among them in terms of codec, transport protocol, call setup format, etc”

Keywords: Multimedia, VoIP, Instant messages (IM), Multimedia Conferencing Systems (MCS), InterAsterisk eXchange Protocol (IAX), Session Initiation Protocol (SIP), H.323 protocol, Multipoint File Transfer System (MFTS), Real Time Switching Control Criteria (RSW), ISO MPEG-4 standards