@techreport{roach-sip-isup-parameters-00,
    number =    {draft-roach-sip-isup-parameters-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-roach-sip-isup-parameters/00/},
    author =    {Adam Roach},
    title =     {{ISUP parameters expected in SIP messages}},
    pagetotal = 4,
    year =      1999,
    month =     jun,
    day =       10,
    abstract =  {To assure inter-operability between gateways which may choose to transit ISUP messages inside a SIP network, this document seeks to outline the types of ISUP messages which an implementation can sensibly expect to arrive in each given SIP message.},
}