%% You should probably cite draft-ietf-payload-tetra-03 instead of this revision.
@techreport{ietf-payload-tetra-01,
    number =    {draft-ietf-payload-tetra-01},
    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-tetra/01/},
    author =    {Andreas Reisenbauer and Udo Brandhuber and Joachim Hagedorn and Klaus-Peter Höhnsch and Stefan Wenk},
    title =     {{RTP Payload Format for the TETRA Audio Codec}},
    pagetotal = 14,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {This document specifies a Real-time Transport Protocol (RTP) payload format for TETRA encoded speech signals. The payload format is designed to be able to interoperate with existing TETRA transport formats on non-IP networks. A media type registration is included, specifying the use of the RTP payload format and the storage format.},
}