2002•Unpublished venueRequires access

Session Initiation Protocol for Telephones (SIP-T): Context and Architectures Status of this Memo This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements. Distribution of this memo is unlimited.

A. Vemuri, Jon Peterson

Abstract

The popularity of gateways that interwork between the PSTN (Public Switched Telephone Network) and SIP networks has motivated the publication of a set of common practices that can assure consistent behavior across implementations. This document taxonomizes the uses of PSTN-SIP gateways, provides uses cases, and identifies mechanisms necessary for interworking. The mechanisms detail how SIP provides for both 'encapsulation' (bridging the PSTN signaling across a SIP network) and 'translation' (gatewaying).

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Key concepts: Session Initiation Protocol, Public switched telephone network, SIP trunking, Computer network, Computer science, The Internet, Next-generation network, Bridging (networking)