%% You should probably cite rfc7866 instead of this I-D.
@techreport{ietf-siprec-protocol-02,
    number =    {draft-ietf-siprec-protocol-02},
    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-siprec-protocol/02/},
    author =    {Leon Portman and Alan Johnston and Henry Lum and Andrew Hutton},
    title =     {{Session Recording Protocol}},
    pagetotal = 26,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {This document specifies the use of the Session Initiation Protocol (SIP), the Session Description Protocol (SDP), and the Real Time Protocol (RTP) for delivering real-time media and metadata from a Communication Session (CS) to a recording device. The Session Recording Protocol specifies the use of SIP, SDP, and RTP to establish a Recording Session (RS) from the Session Recording Client (SRC), which is on the path of the CS, to a Session Recording Server (SRS) at the recording device.},
}