%% You should probably cite rfc4396 instead of this I-D.
@techreport{ietf-avt-rtp-3gpp-timed-text-15,
    number =    {draft-ietf-avt-rtp-3gpp-timed-text-15},
    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-avt-rtp-3gpp-timed-text/15/},
    author =    {Yoshinori Matsui and Jose Rey},
    title =     {{RTP Payload Format for 3rd Generation Partnership Project (3GPP) Timed Text}},
    pagetotal = 66,
    year =      2005,
    month =     jun,
    day =       12,
    abstract =  {This document specifies an RTP payload format for the transmission of 3GPP (3rd Generation Partnership Project) timed text. 3GPP timed text is a time-lined, decorated text media format with defined storage in a 3GP file. Timed Text can be synchronized with audio/video contents and used in applications such as captioning, titling, and multimedia presentations. In the following sections, the problems of streaming timed text are addressed, and a payload format for streaming 3GPP timed text over RTP is specified. {[}STANDARDS-TRACK{]}},
}