%% You should probably cite rfc3802 instead of this I-D.
@techreport{ietf-vpim-vpimv2r2-32k-03,
    number =    {draft-ietf-vpim-vpimv2r2-32k-03},
    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-vpim-vpimv2r2-32k/03/},
    author =    {Glenn Parsons and Gregory Vaudreuil},
    title =     {{Toll Quality Voice - 32 kbit/s Adaptive Differential Pulse Code Modulation (ADPCM) MIME Sub-type Registration}},
    pagetotal = 7,
    year =      2002,
    month =     feb,
    day =       15,
    abstract =  {This document describes the registration of the MIME sub-type audio/32KADPCM Adaptive Differential Pulse Code Modulation for toll quality audio. This audio encoding is defined by the ITU-T in Recommendation G.726. {[}STANDARDS-TRACK{]}},
}