https://app.knowbase.one/vault/rfc/docid/4713
RFC4317: Session Description Protocol (SDP) Offer/Answer Examples
Network Working Group A. Johnston Request for Comments: 4317 Tello Corporation Category: Informational R. Sparks Estacado Systems ...
https://app.knowbase.one/vault/rfc/docid/5847
RFC5369: Framework for Transcoding with the Session Initiation Protocol (SIP)
Network Working Group G. Camarillo Request for Comments: 5369 Ericsson Category: Informational October 2008 Framework for Transcoding with the Session Initiation Protocol (SIP) S...