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Internet Real-Time Laboratory demonstration

Internet Real-Time Laboratory demonstration. Prof. Henning Schulzrinne hgs@cs.columbia.edu http://www.cs.columbia.edu/IRT. Multimedia collaboration. sipconf. Telephone. Dial 212-9397139. IP phone. IP “soft” phone. Dial staffmeet@cs.columbia.edu. …enter 3 digit PIN…

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Internet Real-Time Laboratory demonstration

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  1. Internet Real-Time Laboratory demonstration Prof. Henning Schulzrinne hgs@cs.columbia.edu http://www.cs.columbia.edu/IRT

  2. Multimedia collaboration sipconf Telephone Dial 212-9397139 IP phone IP “soft” phone Dial staffmeet@cs.columbia.edu …enter 3 digit PIN… …enter conference id…

  3. Messaging and device control DO sip:lamp@cs.columbia.edu SIP/2.0 ….. <Control> <Action>turn lamp on</Action> </Control> Internet

  4. Programmable Call Routing Others’ call Voicemail upload William’s call PUBLISH Call decision Tree (CPL scripts)

  5. Service Creation <?xml version="1.0"?> <cpl> <incoming> <time-switch> <time dtstart="20031117T160000Z" duration="PT1H"> <address-switch field="origin"> <address is="sip:hgs@columbia.edu"> <alert ringstyle=“urgent"> <accept> <string-switch field="subject"> <string is="lunch"> <location url="sip:hz@columbia.edu"> <call/> </location> </string> </string-switch> </accept> </alert> ……

  6. Example projects • Location-based services: i-button, badge • Voice and video mail • Email access and notification by phone • Emergency 911 call routing • File sharing among conference participants • Integrating IP telephony with virtual games • UDP-based link simulator • Wireless ad-hoc networks • . . .

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