%% You should probably cite draft-ietf-sip-xcap-config instead of this I-D.
@techreport{ietf-sipping-xcap-config-00,
    number =    {draft-ietf-sipping-xcap-config-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-ietf-sipping-xcap-config/00/},
    author =    {Daniel Petrie},
    title =     {{Extensions to the Session Initiation Protocol (SIP) User Agent Profile Delivery Change Notification Event Package for the Extensible Markup Language Language Configuration Access Protocol (XCAP)}},
    pagetotal = 11,
    year =      2006,
    month =     jun,
    day =       2,
    abstract =  {The SIP User Agent profile delivery framework describes how a User Agent can retrieve its data using a variety of protocols and defines a SIP event package for notifications of changes to those profiles. This document extends that event package to support XCAP (XML Configuration Access Protocol).},
}