IAX-Based Peer-to-Peer VoIP Architecture

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Provided by: International Journal of Computer Science Issues
Topic: Security
Format: PDF
Now-a-days, Voice over IP (VoIP) constitutes a privileged field of service innovation. One benefit of the VoIP technology is that it may be deployed using a centralized or a distributed architecture. The majority of today's VoIP systems are deployed using the client - server centralized architecture. One of the most efficient approaches used in the deployment of centralized VoIP systems is based on the use of IAX (Inter-Asterisk Exchange), an open-source signaling/data exchange protocol. Even though they are currently widely used, client-server VoIP systems suffer from many weaknesses such as the presence of single points of failure, an inefficient resources management, and system non-scalability.
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