Indicating Exclusive Support of RTP and RTP Control Protocol (RTCP) Multiplexing Using the Session Description Protocol (SDP)
RFC 8858

Received changes through RFC Editor sync (created alias RFC 8858, changed title to 'Indicating Exclusive Support of RTP and RTP Control Protocol (RTCP) Multiplexing Using the Session Description Protocol (SDP)', changed abstract to 'This document defines a new Session Description Protocol (SDP) media-level attribute, 'rtcp-mux-only', that can be used by an endpoint to indicate exclusive support of RTP and RTP Control Protocol (RTCP) multiplexing.  The document also updates RFC 5761 by clarifying that an offerer can use a mechanism to indicate that it is not able to send and receive RTCP on separate ports.', changed pages to 9, changed standardization level to Proposed Standard, changed state to RFC, added RFC published event at 2021-01-18, changed IESG state to RFC Published, created updates relation between draft-ietf-mmusic-mux-exclusive and RFC 5761)