https://app.knowbase.one/vault/rfc/docid/7958
RFC7329: A Session Identifier for the Session Initiation Protocol (SIP)
Internet Engineering Task Force (IETF) H. Kaplan Request for Comments: 7329 Oracle Category: Informational August 2014 ISSN: 2070-1721 A Session Identifier for the Session Initiation Prot...