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JNSM
2007
109views more  JNSM 2007»
13 years 4 months ago
Routing Management in the PSTN and the Internet: A Historical Perspective
Abstract. Two highly visible public communication networks are the publicswitched telephone network (PSTN) and the Internet. While they typically provide different services and the...
Deep Medhi
IFIP
2007
Springer
13 years 10 months ago
Decentralized Supplementary Services for Voice-over-IP Telephony
As current Voice-over-IP (VoIP) systems encourage a direct communication between the callees they are similar in design to peerto-peer (P2P) approaches. Therefore, we introduce a f...
Christoph Spleiß, Gerald Kunzmann
TELSYS
2010
154views more  TELSYS 2010»
12 years 11 months ago
Blocking attacks on SIP VoIP proxies caused by external processing
As Voice over IP (VoIP) applications become increasingly popular, they are more and more facing security challenges that have not been present in the traditional Public Switched Te...
Ge Zhang, Simone Fischer-Hübner, Sven Ehlert