RFC 3880: Call Processing Language (CPL): A Language for User Control of Internet Telephony Services

This document defines the Call Processing Language (CPL), a language to describe and control Internet telephony services. It is designed to be implementable…

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Incoming relationships (2 related RFCs)

Informatively referenced by — RFC 4480: RPID: Rich Presence Extensions to the Presence Information Data Format (PIDF)
Informatively referenced by — RFC 4740: Diameter Session Initiation Protocol (SIP) Application