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

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Internet real time laboratory demonstration

Internet Real-Time Laboratory demonstration

Prof. Henning Schulzrinne

[email protected]

http://www.cs.columbia.edu/IRT


Multimedia collaboration
Multimedia collaboration

sipconf

Telephone

Dial 212-9397139

IP phone

IP “soft” phone

Dial [email protected]

…enter 3 digit PIN…

…enter conference id…


Messaging and device control
Messaging and device control

DO sip:[email protected] SIP/2.0

…..

<Control>

<Action>turn lamp on</Action>

</Control>

Internet


Programmable call routing
Programmable Call Routing

Others’ call

Voicemail

upload

William’s call

PUBLISH

Call decision Tree (CPL scripts)


Service creation
Service Creation

<?xml version="1.0"?>

<cpl>

<incoming>

<time-switch>

<time dtstart="20031117T160000Z"

duration="PT1H">

<address-switch field="origin">

<address is="sip:[email protected]">

<alert ringstyle=“urgent">

<accept>

<string-switch field="subject">

<string is="lunch">

<location url="sip:[email protected]">

<call/>

</location>

</string>

</string-switch>

</accept>

</alert>

……


Example projects
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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