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VoIP - beyond replicating the limitations of the past

VoIP - beyond replicating the limitations of the past

VoIP - beyond replicating the limitations of the past. Henning Schulzrinne Dept. of Computer Science, Columbia University, New York

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1.51k views • 139 slides
VoIP: Not your grandmother's phone any more

VoIP: Not your grandmother's phone any more

VoIP: Not your grandmother's phone any more. Henning Schulzrinne Dept. of Computer Science, Columbia University, New York (based on work in collaboration with IRT students & staff, as well as the IETF GEOPRIV and SIMPLE WGs) hgs@cs.columbia.edu Rutgers University April 2009. Outline.

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1.05k views • 104 slides
SIP and Beyond

SIP and Beyond

SIP and Beyond. Henning Schulzrinne Department of Computer Science Columbia University hgs@cs.columbia.edu Collaboration in the Enterprise February 10, 2005 (Leesburg, VA). Overview. SIP as the glue for collaboration Context-aware communications The need for standards in collaboration

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688 views • 68 slides
Henning Schulzrinne Columbia University (Sprint Labs, Burlingame, CA)

Henning Schulzrinne Columbia University (Sprint Labs, Burlingame, CA)

Global Ubiquitous Computing. Henning Schulzrinne Columbia University (Sprint Labs, Burlingame, CA). Agenda. SIP overview SIP for ubiquitous computing Location-based services Emergency calling Services, carriers and service creation Security issues. SIP Overview.

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656 views • 65 slides
Advanced Multimedia and Presence Services using Classical and P2P SIP

Advanced Multimedia and Presence Services using Classical and P2P SIP

Advanced Multimedia and Presence Services using Classical and P2P SIP. Henning Schulzrinne (with Kundan Singh, Ron Shacham, Xiaotao Wu, Jonathan Lennox and others) Department of Computer Science Columbia University hgs@cs.columbia.edu University of Twente May 20, 2005. Overview.

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576 views • 57 slides
Evaluation of Existing Voice over Internet Protocol Security Mechanisms &

Evaluation of Existing Voice over Internet Protocol Security Mechanisms &

Evaluation of Existing Voice over Internet Protocol Security Mechanisms & A Recommended Implementation for a SIP-based VoIP Phone Brett Wilson Hakan Evecek. Overview. Basic Voice Over IP (VoIP) Architecture Basic VoIP Calling Procedure VoIP Service Issues

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513 views • 32 slides

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