RFC 3550 RTP July 2003 If Every software produces its CNAME independently, the resulting CNAMEs will not be identical as can be required to offer a binding across a number of media resources belonging to 1 participant inside of a set of similar RTP sessions. If cross-media binding is needed, https://net3322221.jts-blog.com/29133654/a-secret-weapon-for-net33-rtp