Real-time Transport Protocol (RTP) Payload for Comfort Noise (CN) Status of this Memo This document specifies an Internet standards track protocol for the
Robert Zopf · 2002
This document describes a Real-time Transport Protocol (RTP) payload format for transporting comfort noise (CN). The CN payload type is primarily for use with audio codecs that do not support comfort noise as part of the codec itself such as ITU-T Recommendations G.711, G.726, G.727, G.728, and G.722.