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Versions: 00 01 02 03 04 rfc3578                         Standards Track
A new Request for Comments is now available in online RFC libraries.

        RFC 3578

        Title:      Mapping of Integrated Services Digital Network
                    (ISDN) User Part (ISUP) Overlap Signalling
                    to the Session Initiation Protocol (SIP)
        Author(s):  G. Camarillo, A. B. Roach, J. Peterson, L. Ong
        Status:     Standards Track
        Date:       August 2003
        Mailbox:    Gonzalo.Camarillo@ericsson.com,
                    adam@dynamicsoft.com, jon.peterson@neustar.biz,
        Pages:      13
        Characters: 26667
        Updates/Obsoletes/SeeAlso:    None

        I-D Tag:    draft-ietf-sipping-overlap-04.txt

        URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3578.txt

This document describes a way to map Integrated Services Digital
Network User Part (ISUP) overlap signalling to Session Initiation
Protocol (SIP).  This mechanism might be implemented when using SIP in
an environment where part of the call involves interworking with the
Public Switched Telephone Network (PSTN).

This document is a product of the Session Initiation Proposal
Investigation Working Group of the IETF.

This is now a Proposed Standard Protocol.

This document specifies an Internet standards track protocol for
the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the
"Internet Official Protocol Standards" (STD 1) for the
standardization state and status of this protocol.  Distribution
of this memo is unlimited.

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