Decentralized supplementary services for voice-over-IP telephony

Authors:
Christoph Spleiß;Gerald Kunzmann
Affiliations:
Technische Universität München, Munich, Germany;Technische Universität München, Munich, Germany
Venue:
EUNICE'07 Proceedings of the 13th open European summer school and IFIP TC6.6 conference on Dependable and adaptable networks and services
Year:
2007

Citing 1
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Chord: A scalable peer-to-peer lookup service for internet applications

Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications

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Abstract

As current Voice-over-IP (VoIP) systems encourage a direct communication between the callees they are similar in design to peer-to-peer (P2P) approaches. Therefore, we introduce a framework to build distributed supplementary services for VoIP. Some of these services like completion of calls on no reply or holding are already commonly established in public switched telephone networks or realized in centralized VoIP servers like Asterisk [1]. In order to foster the completely decentralization of these features we suggest corresponding services implemented on top of a structured P2P network. Using a resource-based approach new features can easily be deployed and announced.