https://app.knowbase.one/vault/rfc/docid/6291
RFC5768: Indicating Support for Interactive Connectivity Establishment (ICE) in the Session Initiation Protocol (SIP)
Internet Engineering Task Force (IETF) J. Rosenberg Request for Comments: 5768 jdrosen.net Category: Standards Track April 2010 ISSN: 2070-1721 Indicating Support for Interactive Connectivity Establi...