Remember to go over to our software to make full use of all the info we’ve got available. Research on audio and video over packet-switched networks dates back to the early Nineteen Seventies. The Internet Engineering Task Force (IETF) revealed RFC 741 in 1977 and began growing RTP in 1992,[1] and would go on to develop Session Announcement Protocol (SAP), the Session Description Protocol (SDP), and the Session Initiation Protocol (SIP).