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Developing interactive multi-user VoIP applications using synchronization contracts with ECharts

Published: 01 August 2011 Publication History

Abstract

VoIP services are increasingly expected to support complex interactions among many autonomous users. A conferencing service, for example, must allow dial-in users to freely join and leave a call, and permit an administrator to control who may join a call and kick out participants who should be (temporarily or permanently) excluded. The need to maintain application state complicates development of VoIP applications on top of SIP [3], even in the case of single-user applications. For multi-user applications, the need to synchronize SIP threads that concurrently access shared application state when responding to messages from different users significantly increases this complexity [2].

References

[1]
Y. Huang, E. Cheung, L. K. Dillon, and R. E. K. Stirewalt. A thread synchronization model for SIP servlet containers. In IPTComm '09, pages 1--12, New York, NY, USA, 2009. ACM.
[2]
Y. Huang, L. K. Dillon, and R. E. K. Stirewalt. On mechanisms for deadlock avoidance in SIP servlet containers. In IPTComm '08, pages 196--216. Springer, 2008.
[3]
T. M. Smith and G. W. Bond. ECharts for SIP servlets: a state-machine programming environment for VoIP applications. In IPTComm '07, pages 89--98, New York, NY, USA, 2007. ACM.

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IPTcomm '11: Proceedings of the 5th International Conference on Principles, Systems and Applications of IP Telecommunications
August 2011
111 pages
ISBN:9781450309752
DOI:10.1145/2124436

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  • Illinois Institute of Technology

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 01 August 2011

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