RFC 4961: BCP 131: Symmetric RTP / RTP Control Protocol (RTCP)
Best Current Practice
- D. Wing
- July 2007
- IETF publication
Abstract
This document recommends using one UDP port pair for both communication directions of bidirectional RTP and RTP Control Protocol (RTCP) sessions, commonly called "symmetric RTP" and "symmetric RTCP". This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.