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ABSTRACT Towards Junking the PBX: Deploying IP Telephony

By Wenyu Jiang, Jonathan Lennox, Henning Schulzrinne and Kundan Singh


We describe the architecture and implementation of our Internet telephony test-bed intended to replace the departmental PBX (telephone switch). It interworks with the traditional telephone networks via a PSTN/IP gateway. It also serves as a corporate or campus infrastructure for existing and future services like web, email, video and streaming media. Initially intended for a few users, it will eventually replace the plain old telephones from our offices, due to the cost benefit and new services it offers. We also discuss common inter-operability problems between the PBX and the gateway

Topics: VoIP test-bed, PSTN/IP interoperability, SIP
Year: 2008
OAI identifier: oai:CiteSeerX.psu:
Provided by: CiteSeerX
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