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Integration of call signaling and resource management for IP telephony

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7 Author(s)

One challenge to realizing a robust Internet Telephony service is the need to integrate resource management with a call signaling architecture. Also important in deploying the service is the need to preserve user privacy and security. The Distributed Open Signaling Architecture meets these requirements. DOSA establishes a framework for coordination between call signaling, which controls access to telephony-specific services, and resource management, which controls access to network-layer resources. The authors describe the architecture and an implementation approach that has proved viable in detailed simulations from real usage data

Published in:

Internet Computing, IEEE  (Volume:3 ,  Issue: 3 )