@techreport{haerens-sip-in-01,
    number =    {draft-haerens-sip-in-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-haerens-sip-in/01/},
    author =    {Vidhi Rastogi and Vijay K. Gurbani and F Haerens},
    title =     {{SIP-IN Interworking Protocol Architecture and Procedures}},
    pagetotal = 32,
    year =      2001,
    month =     jul,
    day =       23,
    abstract =  {This draft gives a first input on the SIP-IN Interworking Protocol Architecture and Procedures for further discussion into the IETF as part of the SIP-IN Interworking (SIN design team).},
}