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Demonstration of Columbia IP telephony test bed. Presented by Wenyu Jiang, Kundan Singh and Xiaotao Wu Remote participant: Yi Qin. Overview. Multimedia communication Audio, video, text, screen sharing, … PSTN interworking, IVR, … Multi-devices IP-phone, telephone, X10, Ncast, …
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Demonstration of Columbia IP telephony test bed Presented by Wenyu Jiang, Kundan Singh and Xiaotao Wu Remote participant: Yi Qin
Overview • Multimedia communication • Audio, video, text, screen sharing, … • PSTN interworking, IVR, … • Multi-devices • IP-phone, telephone, X10, Ncast, … • Collaboration • Voicemail, discussion forum, … • Test and production systems Cinema/demo
SIP “forking” proxy Point to point call sip:wenyu@cs.columbia.edu +1 212 9397040 IP endpoint Telephone network Telephone subscriber SIP/PSTN gateway SIP server sip:7141@cs.columbia.edu Cinema/demo
Web server siph323: SIP-H.323 translator H.323 NetMeeting Multimedia conferencing Department PBX SIP/PSTN Gateway Telephone 7040 Video encoder IP phones (cisco, grandstream) sipconf Conference server SQL database Web based configuration Soft phones (sipc, jsipc, messenger) Cinema/demo
Non real-time collaboration • Voicemail • Answering machine on no-answer or busy • Auto-attendant to access Inbox • Web interface • Configuration and profile Cinema/demo
Device control • MESSAGE sip:lamp@cs.columbia.edu • DO sip:stereo@cs.columbia.edu • SUBSCRIBE sip:door@alice.home.net • NOTIFY sip:alice@work.com X10 device SIP lamp DO sip:stereo@cs.columbia.edu SIP/2.0 ….. <Control> <Action>tune AM 103K</Action> </Control> MESSAGE sip:lamp@cs.columbia.edu SIP/2.0 ….. turn on Cinema/demo
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, voicemail, file sharing Cinema/demo