%% You should probably cite draft-mccobb-xv-media-type instead of this I-D.
@techreport{mccobb-xplusv-media-type-04,
    number =    {draft-mccobb-xplusv-media-type-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-mccobb-xplusv-media-type/04/},
    author =    {Gerald McCobb},
    title =     {{XHTML+Voice - application/xhtml-voice+xml}},
    pagetotal = 6,
    year =      2005,
    month =     jun,
    day =       10,
    abstract =  {This document describes the registration of the MIME sub-type application/xhtml-voice+xml. This sub-type is intended for use as a media descriptor for XHTML+Voice multimodal language documents. The XHTML+Voice 1.2 language specification is maintained by the VoiceXML Forum at \textless{}http://www.voicexml.org/specs/multimodal/x+v/12/\textgreater{}.},
}