@misc{rfc4475,
    series =    {Request for Comments},
    number =    4475,
    howpublished =  {RFC 4475},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4475},
    url =       {https://www.rfc-editor.org/info/rfc4475},
    author =    {Henning Schulzrinne and Jonathan Rosenberg and Alan Hawrylyshen and Alan Johnston and Robert Sparks},
    title =     {{Session Initiation Protocol (SIP) Torture Test Messages}},
    pagetotal = 53,
    year =      2006,
    month =     may,
    abstract =  {This informational document gives examples of Session Initiation Protocol (SIP) test messages designed to exercise and "torture" a SIP implementation. This memo provides information for the Internet community.},
}