Peer-to-peer internet telephony using SIP
NOSSDAV '05 Proceedings of the international workshop on Network and operating systems support for digital audio and video
SOSIMPLE: A Serverless, Standards-based, P2P SIP Communication System
AAA-IDEA '05 Proceedings of the First International Workshop on Advanced Architectures and Algorithms for Internet Delivery and Applications
A hierarchical P2P architecture for SIP communication
NGMAST '07 Proceedings of the The 2007 International Conference on Next Generation Mobile Applications, Services and Technologies
A virtual and distributed control layer with proximity awareness for group conferencing in P2PSIP
Principles, Systems and Applications of IP Telecommunications
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SIP-based Internet Telephony is an increasingly popular communication system that is used by various users and organizations. Most of deployments are based on client/server model in traditional SIP system. Especially, conferencing function is used for voice/video conference include file transfer and share remote applications through internet network. The conferencing system has an association between SIP user agents (Participants) and central point of control (Focus). The functionalities of SIP conference are organized in a centralized manner and heavily rely on dedicated servers. And it has some drawbacks to make the conferencing system is not reliable and scalable when participants increase. Peer-to-Peer (P2P) is another model different from client/server model. Every peer plays an equally important role in the network. P2P network is self-organized architecture, does not require any server in the network and hence make a good solution to those problems mentioned in above. In this paper, we describe the architecture designed to construct Peer-to-Peer (P2P) network collaborating with existing traditional SIP for conferencing system. The details in this paper include the operations of how to create, join, leave and terminate the conference in P2P-SIP conference network. We have shown that our proposed scheme compared to other recently schemes is more attractive in terms of scalability (e.g. based on pure P2P), working with traditional SIP, as well as interactive communication approach for all SIP clients and extend function join our P2P-SIP conference.