[rfc-dist] RFC 5503 on Private Session Initiation Protocol (SIP) Proxy-to-Proxy Extensions for Supporting the PacketCable Distributed Call Signaling Architecture

rfc-editor@rfc-editor.org rfc-editor at rfc-editor.org
Fri Mar 13 17:47:03 PDT 2009


A new Request for Comments is now available in online RFC libraries.

        
        RFC 5503

        Title:      Private Session Initiation Protocol (SIP) 
                    Proxy-to-Proxy Extensions for Supporting the 
                    PacketCable Distributed Call Signaling Architecture 
        Author:     F. Andreasen, B. McKibben,
                    B. Marshall
        Status:     Informational
        Date:       March 2009
        Mailbox:    fandreas at cisco.com, 
                    B.McKibben at cablelabs.com, 
                    wtm at research.att.com
        Pages:      34
        Characters: 80201
        Obsoletes:  RFC3603

        I-D Tag:    draft-andreasen-sipping-rfc3603bis-07.txt

        URL:        http://www.rfc-editor.org/rfc/rfc5503.txt

In order to deploy a residential telephone service at a very large
scale across different domains, it is necessary for trusted elements
owned by different service providers to exchange trusted information
that conveys customer-specific information and expectations about the
parties involved in the call.  This document describes private
extensions to the Session Initiation Protocol, RFC 3261, for
supporting the exchange of customer information and billing
information between trusted entities in the PacketCable Distributed
Call Signaling Architecture.  These extensions provide mechanisms for
access network coordination to prevent theft of service, customer
originated trace of harassing calls, support for operator services
and emergency services, and support for various other regulatory
issues.  The use of the extensions is only applicable within closed
administrative domains, or among federations of administrative
domains with previously agreed-upon policies where coordination of
charging and other functions is required.  This memo provides 
information for the Internet community.


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