Refering to Multiple Resources in the Session Initiation Protocol (SIP)

Document Type Expired Internet-Draft (individual)
Author Gonzalo Camarillo 
Last updated 2004-02-09
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines extensions to the SIP REFER method so that this method can be used to refer to multiple resources. These extensions include the use of pointers to URI-lists in the Refer-To header field, the use of bodies to describe the requests to be sent by the server, and the use of a new event package to report the state of several transactions.


Gonzalo Camarillo (

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