https://app.knowbase.one/vault/rfc/docid/8106
RFC7462: URNs for the Alert-Info Header Field of the Session Initiation Protocol (SIP)
Internet Engineering Task Force (IETF) L. Liess, Ed. Request for Comments: 7462 R. Jesske Updates: 3261 Deutsche Telekom AG Category: Standards Track A. Johnston IS...
https://app.knowbase.one/vault/rfc/docid/9137
RFC8433: A Simpler Method for Resolving Alert-Info URNs
Independent Submission D. Worley Request for Comments: 8433 Ariadne Category: Informational August 2018 ISSN: 2070-1721 A Simpler Method for Resolving Alert-Info UR...