@misc{rfc3389,
    series =    {Request for Comments},
    number =    3389,
    howpublished =  {RFC 3389},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC3389},
    url =       {https://www.rfc-editor.org/info/rfc3389},
    author =    {Robert Zopf},
    title =     {{Real-time Transport Protocol (RTP) Payload for Comfort Noise (CN)}},
    pagetotal = 8,
    year =      2002,
    month =     oct,
    abstract =  {This document describes an RTP {[}2{]} 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 {[}3{]}, G.726 {[}4{]}, G.727 {[}5{]}, G.728 {[}6{]}, and G.722 {[}7{]}.},
}