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Title : Extensions to the Session Initiation Protocol (SIP) for the support of the Call Completion Services for the European Telecommunications Standards Institute,
Author(s) : J. Poetzl, et al.
Filename : draft-poetzl-sipping-call-completion-02.txt
Pages : 29
Date : 2007-3-1
This document specifies the extensions to the Session Initiation
Protocol (SIP) for the call completion services provided in the
context of ETSI Next Generation Networks (NGN). Therefore this
document describes a SIP event package that enables subscribing to
and managing call completion queues. Furthermore this document
extends the usage of the Allows-events header field to 180 Ringing
and 486 Busy responses, and specifies an indication used for the
prioritization of call-completion calls.
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