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Multiparty voice-over-IP (MVolP) services allow a group of people to freely communicate with each other via the Internet, which have many important applications such as online gaming and teleconferencing. In this paper, we present a peer-to-peer MVolP system called peerTalk. Compared to traditional approaches such as server-based mixing, peerTalk achieves better scalability and failure resilience...
Technologies that use the Internet network to deliver voice communications have the potential to reduce costs and improve access to communications services around the world. However, these new technologies pose several challenges in terms of confidentiality of the conversations and anonymity of the conversing parties. Call authentication and encryption techniques provide a way to protect confidentiality,...
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