https://app.knowbase.one/vault/rfc/docid/6390
RFC5876: Updates to Asserted Identity in the Session Initiation Protocol (SIP)
Internet Engineering Task Force (IETF) J. Elwell Request for Comments: 5876 Siemens Enterprise Communications Updates: 3325 April 2010 Category: Informational ISSN: 2070-1721 Updates to Asserted Identity in ...