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A Framework for Session Initiation Protocol (SIP) Session Policies

Document type: Replaced Internet-Draft (sipping WG)
Document stream: IETF
Last updated: 2006-10-18 (latest revision 2006-06-28)
Intended RFC status: Unknown
Other versions: (expired, archived): plain text, pdf, html

IETF State: WG Document
Document shepherd: No shepherd assigned

IESG State: Replaced by draft-ietf-sip-session-policy-framework
Responsible AD: (None)
Send notices to: No addresses provided

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found here:


Proxy servers play a central role as an intermediary in the Session Initiation Protocol (SIP) as they define and impact policies on call routing, rendezvous, and other call features. However, there is currently no standard mechanism by which a proxy can define or influence policies on sessions such as the codecs or media types to be used. This document specifies a framework for SIP session policies that provides this capability to proxies. It defines a model, an overall architecture and the protocol components for session policies.


Volker Hilt <>

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