%% You should probably cite rfc7655 instead of this I-D.
@techreport{ietf-payload-g7110-06,
    number =    {draft-ietf-payload-g7110-06},
    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-payload-g7110/06/},
    author =    {Michael A. Ramalho and Paul Jones and Noboru Harada and Muthu Arul Mozhi Perumal and Miao Lei},
    title =     {{RTP Payload Format for G.711.0}},
    pagetotal = 32,
    year =      2015,
    month =     may,
    day =       11,
    abstract =  {This document specifies the Real-time Transport Protocol (RTP) payload format for ITU-T Recommendation G.711.0. ITU-T Rec. G.711.0 defines a lossless and stateless compression for G.711 packet payloads typically used in IP networks. This document also defines a storage mode format for G.711.0 and a media type registration for the G.711.0 RTP payload format.},
}