https://app.knowbase.one/vault/rfc/docid/3184
RFC2871: A Framework for Telephony Routing over IP
Network Working Group J. Rosenberg Request for Comments: 2871 dynamicsoft Category: Informational H. Schulzrinne Columbia University ...
https://app.knowbase.one/vault/rfc/docid/4236
RFC3872: Management Information Base for Telephony Routing over IP (TRIP)
Network Working Group D. Zinman Request for Comments: 3872 D. Walker Category: Standards Track J. Jiang September 2004 ...