%% You should probably cite rfc6503 instead of this I-D.
@techreport{ietf-xcon-ccmp-15,
    number =    {draft-ietf-xcon-ccmp-15},
    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-xcon-ccmp/15/},
    author =    {Mary Barnes and Chris Boulton and Simon Pietro Romano and Henning Schulzrinne},
    title =     {{Centralized Conferencing Manipulation Protocol}},
    pagetotal = 119,
    year =      2011,
    month =     aug,
    day =       2,
    abstract =  {The Centralized Conferencing Manipulation Protocol (CCMP) allows a Centralized Conferencing (XCON) system client to create, retrieve, change, and delete objects that describe a centralized conference. CCMP is a means to control basic and advanced conference features such as conference state and capabilities, participants, relative roles, and details. CCMP is a stateless, XML-based, client server protocol that carries, in its request and response messages, conference information in the form of XML documents and fragments conforming to the centralized conferencing data model schema. {[}STANDARDS-TRACK{]}},
}