https://app.knowbase.one/vault/rfc/docid/7486
RFC6873: Format for the Session Initiation Protocol (SIP) Common Log Format (CLF)
Internet Engineering Task Force (IETF) G. Salgueiro Request for Comments: 6873 Cisco Systems Category: Standards Track V. Gurbani ISSN: 2070-1721 Bell Labs, Alcatel-Lucent ...