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Early Media and Ringback Tone Generation in the Session Initiation Protocol

Document Type Expired Internet-Draft (individual)
Expired & archived
Authors Gonzalo Camarillo , Henning Schulzrinne
Last updated 2003-07-01
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document describes how to manage early media in SIP using two models; the gateway model and the application server model. It also describes which inputs need to be taken into consideration to define local policies for ringback tone generation.


Gonzalo Camarillo
Henning Schulzrinne

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)