%% You should probably cite draft-ietf-mmusic-traffic-class-for-sdp-05 instead of this revision.
@techreport{ietf-mmusic-traffic-class-for-sdp-04,
    number =    {draft-ietf-mmusic-traffic-class-for-sdp-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-mmusic-traffic-class-for-sdp/04/},
    author =    {James Polk and Subha Dhesikan and Paul Jones},
    title =     {{The Session Description Protocol (SDP) 'trafficclass' Attribute}},
    pagetotal = 28,
    year =      2013,
    month =     jul,
    day =       14,
    abstract =  {This document proposes a new Session Description Protocol (SDP) attribute to identify the traffic class a session is requesting in its offer/answer exchange.},
}