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CMS
2010
149views Communications» more  CMS 2010»
11 years 10 months ago
Peer-to-Peer VoIP Communications Using Anonymisation Overlay Networks
Abstract. Nowadays, Voice over Internet Protocol (VoIP) which enables voice conversation remotely over packet switched networks gains much attentions for its low costs and flexible...
Ge Zhang, Simone Fischer-Hübner
TELSYS
2010
154views more  TELSYS 2010»
11 years 4 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
ICC
2007
IEEE
157views Communications» more  ICC 2007»
12 years 4 months ago
Performance Evaluation of Quality of VoIP Service Over UMTS-UTRAN R99
Release99 of UMTS (Universal Mobile Telecommunication System) network supports conversational services by means of UTRAN (Universal Terrestrial Radio Access Network) Dedicated tran...
Andrea Barbaresi, Andrea Mantovani
ICC
2000
IEEE
139views Communications» more  ICC 2000»
12 years 2 months ago
Adaptive Multimedia Communication over Satellite Routed IP
Since the IETF “TCPSAT” Working Group was chartered in 1997, numerous issues with TCP over satellite have been addressed. Although the difficulties encountered are the same, ...
Michael Welzl
GLOBECOM
2006
IEEE
12 years 3 months ago
Service Differentiation by a Link Layer Protocol Based on SR ARQ over a Satellite Channel
— This paper studies the case where multiple IP flows are aggregated over a single satellite channel and an error recovery by retransmissions is performed by SelectiveRepeat (SR...
Toshihiro Shikama, Takashi Watanabe, Tadanori Mizu...
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