@techreport{wing-sipping-spam-score-02,
    number =    {draft-wing-sipping-spam-score-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-wing-sipping-spam-score/02/},
    author =    {Dan Wing and Saverio Niccolini and Martin Stiemerling and Hannes Tschofenig},
    title =     {{Spam Score for SIP}},
    pagetotal = 12,
    year =      2008,
    month =     feb,
    day =       24,
    abstract =  {This document defines a mechanism for SIP proxies to communicate a spam score to downstream SIP proxies and to SIP user agents. This information can then be used as input to other decision making engines, for example, to provide alternate call routing or call handling.},
}