@misc{rfc6443,
    series =    {Request for Comments},
    number =    6443,
    howpublished =  {RFC 6443},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC6443},
    url =       {https://www.rfc-editor.org/info/rfc6443},
    author =    {Brian Rosen and James Polk and Andy Newton and Henning Schulzrinne},
    title =     {{Framework for Emergency Calling Using Internet Multimedia}},
    pagetotal = 38,
    year =      2011,
    month =     dec,
    abstract =  {The IETF has standardized various aspects of placing emergency calls. This document describes how all of those component parts are used to support emergency calls from citizens and visitors to authorities. This document is not an Internet Standards Track specification; it is published for informational purposes.},
}