Demonstration of Columbia IP telephony test bed Presented by Wenyu Jiang, Kundan Singh and Xiaotao Wu Remote participant: Yi Qin
July 29, 2003 Cinema/demo2 Overview Multimedia communication Audio, video, text, screen sharing, … PSTN interworking, IVR, … Multi-devices IP-phone, telephone, X10, Ncast, … Collaboration Voic , discussion forum, … Test and production systems
July 29, 2003 Cinema/demo3 Point to point call Telephone network SIP/PSTN gateway SIP server IP endpoint Telephone subscriber SIP “forking” proxy
July 29, 2003 Cinema/demo4 Multimedia conferencing Telephone 7040 SIP/PSTN Gateway Department PBX Web based configuration Web server SQL database sipconf Conference server NetMeeting H.323 siph323: SIP-H.323 translator Video encoder IP phones (cisco, grandstream) Soft phones (sipc, jsipc, messenger)
July 29, 2003 Cinema/demo5 Non real-time collaboration Voic Answering machine on no-answer or busy Auto-attendant to access Inbox Web interface Configuration and profile
July 29, 2003 Cinema/demo6 Device control DO SIP/2.0 ….. tune AM 103K lamp X10 device MESSAGE DO SUBSCRIBE NOTIFY SIP MESSAGE SIP/2.0 ….. turn on
July 29, 2003 Cinema/demo7 Summary SIP-based architecture Heterogeneous endpoints Telephone, SIP phone, H.323 Devices like lamp, video encoder Advanced services Programmable call routing, voice mail, interactive voice response Multimedia collaboration Synchronous: conference, IM Offline: discussion board, voic , file sharing