%% You should probably cite draft-camarillo-rai-media-policy-dataset instead of this I-D.
@techreport{ietf-sipping-media-policy-dataset-16,
    number =    {draft-ietf-sipping-media-policy-dataset-16},
    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-sipping-media-policy-dataset/16/},
    author =    {Volker Hilt and Dale R. Worley and Gonzalo Camarillo and Jonathan Rosenberg},
    title =     {{A User Agent Profile Data Set for Media Policy}},
    pagetotal = 42,
    year =      2012,
    month =     apr,
    day =       16,
    abstract =  {This specification defines an XML document format to describe the media properties of Session Initiation Protocol (SIP) sessions. Examples for media properties are the codecs or media types used in the session. This document also defines an XML document format to describe policies that limit the media properties of SIP sessions.},
}