RFC 3550 RTP July 2003 2.2 Audio and Video clip Convention If the two audio and video media are used in a convention, They're transmitted as different RTP periods. Which is, independent RTP and RTCP packets are transmitted for each medium using two various UDP port pairs and/or multicast addresses. https://net33rtp99988.spintheblog.com/30026070/not-known-factual-statements-about-net33-rtp