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Mapping of Integrated Services Digital Network (ISDN) User Part (ISUP) Overlap Signalling to the Session Initiation Protocol (SIP) (RFC3578)

IP.com Disclosure Number: IPCOM000018856D
Original Publication Date: 2003-Aug-01
Included in the Prior Art Database: 2003-Aug-19
Document File: 14 page(s) / 27K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

G. Camarillo: AUTHOR [+4]

Abstract

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 text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 10% of the total text.

Network Working Group� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � G. Camarillo

Request for Comments: 3578� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � Ericsson

Category: Standards Track� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � A. B. Roach

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � dynamicsoft

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � J. Peterson

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � NeuStar

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � L. Ong

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � Ciena

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � August 2003

� � � � � � � � Mapping of Integrated Services Digital Network (ISDN)

� � � � � � � � � � � � � � � � � User Part (ISUP) Overlap Signalling

� � � � � � � � � � � � � � � to the Session Initiation Protocol (SIP)

Status of this Memo

� � 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.

Copyright Notice

� � Copyright (C) The Internet Society (2003).� All Rights Reserved.

Abstract

� � 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).

Camarillo, et al.� � � � � � � � � � Standards Track� � � � � � � � � � � � � � � � � � � � [Page 1]

RFC 3578� � � � � � � � � � � � ISUP Overlap Signalling to SIP� � � � � � � � � August 2003

Table of Contents

� � 1.� Introduction . . . . . . . . . . . . . . . . . . . . . . . . .� 3

� � 2.� Conversion of ISUP Overlap Signalling into SIP en-bloc

� � � � � � Signalling . . . . . . . . . . . . . . . . . . . . . . . . . .� 3

� � � � � � 2.1.� Waiting for the Minimum Amount of Digits . . . . . . . .� 4

� � � � � � 2.2.� The Minimum Amount of Digits has been Received . . . . .� 4

� � 3.� Sending Overlap Signalling to a SIP Network. . . . . . . . . .� 5

� � � � � � 3.1.� One vs. Several Transactions . . . . . . . . . . . . . .� 5

� � � � � � 3.2.� Generating Multiple INVITEs. . . . . . . . . . . . . . .� 6

� � � � � � 3.3.� Receiving Multip...