{
  "draft": "draft-ietf-sip-ice-option-tag-02",
  "doc_id": "RFC5768",
  "title": "Indicating Support for Interactive Connectivity Establishment (ICE) in the Session Initiation Protocol (SIP)",
  "authors": [
    "J. Rosenberg"
  ],
  "format": [
    "TEXT",
    "HTML"
  ],
  "page_count": "6",
  "pub_status": "PROPOSED STANDARD",
  "status": "PROPOSED STANDARD",
  "source": "Session Initiation Protocol",
  "abstract": "This specification defines a media feature tag and an option tag for use with the Session Initiation Protocol (SIP).  The media feature tag allows a User Agent (UA) to communicate to its registrar that it supports ICE.  The option tag allows a UA to require support for ICE in order for a call to proceed. [STANDARDS-TRACK]",
  "pub_date": "April 2010",
  "keywords": [
    "SIP",
    "NAT"
  ],
  "obsoletes": [],
  "obsoleted_by": [],
  "updates": [],
  "updated_by": [],
  "see_also": [],
  "doi": "10.17487/RFC5768",
  "errata_url": null
}