Results 201 to 210 of about 59,048 (264)
A comparative study of in-band and out-of-band VOIP protocols in layer 3 and layer 2.5 environments.
, 2010 George Pallis
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VoIPS: VoIP Secure Encryption VoIP Solution
2011VoIP technology allows voice messages transmitted through the network, but it also encounters information security threats such as packet sniffering and authentication. In this research we propose an integrated algorithm - VoIPS (VoIP Secure). It conduct a secured VoIP communication which afforded confidentiality and message authentication. Furthermore,
Chiung-Yi Wu +3 more
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Proceedings of the 1st international conference on Principles, systems and applications of IP telecommunications, 2007
VoIP services are becoming increasingly a big competition to existing telephony services (POTS / ISDN). The increasing number of customers using VoIP makes VoIP services a valuable target for attackers that want to bring down the service, take it over or simply abuse it to distribute their own content, like SPAM.
Jens Fiedler +4 more
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VoIP services are becoming increasingly a big competition to existing telephony services (POTS / ISDN). The increasing number of customers using VoIP makes VoIP services a valuable target for attackers that want to bring down the service, take it over or simply abuse it to distribute their own content, like SPAM.
Jens Fiedler +4 more
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VoIP University Solution: VoIP UEMA Project
Anais Estendidos do XLII Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos (SBRC 2024)VoIP University is a solution to enable the development of communication projects based on IP protocol. This paper presents a low-cost deployment called VoIP UEMA, the first project of VoIP University solution. The technical feasibility of deploying this project was checked in a proof of concept.
Carlos Henrique Rodrigues de Oliveira +8 more
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Proceedings of the 2014 ACM SIGSAC Conference on Computer and Communications Security, 2014
In today's IP telephony world, VoIP service providers and their customers are experiencing a common and rising trend of an attack where hackers compromise legitimate telephone subscriber accounts either from service provider networks, or from one of their customer sites.
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In today's IP telephony world, VoIP service providers and their customers are experiencing a common and rising trend of an attack where hackers compromise legitimate telephone subscriber accounts either from service provider networks, or from one of their customer sites.
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2008
The number of worldwide VoIP customers is well over 38 million and thanks to popularity of inexpensive, high quality services such as skype is projected to increase to nearly 250 million within the next three years. The future of voice transport has officially arrived. The VoIP Handbook: Applications, Technologies, Reliability, and Securitycaptures the
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The number of worldwide VoIP customers is well over 38 million and thanks to popularity of inexpensive, high quality services such as skype is projected to increase to nearly 250 million within the next three years. The future of voice transport has officially arrived. The VoIP Handbook: Applications, Technologies, Reliability, and Securitycaptures the
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Journal of Knowledge Management, Economics and Information Technology, 2012
This article focuses on existing technologies in telecommunications but also on a comparative analysis of VoIP protocols. There will also be listed ways to extend networks and processes that contribute to the steady operation of the network as a set SLA with the support of a large number of simultaneous ...
Floriana GEREA, Adrian GHENCEA
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This article focuses on existing technologies in telecommunications but also on a comparative analysis of VoIP protocols. There will also be listed ways to extend networks and processes that contribute to the steady operation of the network as a set SLA with the support of a large number of simultaneous ...
Floriana GEREA, Adrian GHENCEA
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VoIP Performance over HSPA with Different VoIP Clients
Wireless Personal Communications, 2010High Speed Packet Access (HSPA) Holma H, Toskala A (in HSDPA/HSUPA for UMTS, 2006) is expected to provide enough bandwidth for voice over IP (VoIP) service. In this article we assess the performance of VoIP over HSPA with different VoIP clients and voice codecs.
Leo Bhebhe, Rauli Parkkali
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BT Technology Journal, 2001
For a given voice quality, VoIP does not offer a particularly efficient transport solution. This becomes a concern in any bandwidth-constrained part of a network, in particular, a copper-based, access network. VoIP access systems need to be carefully designed if they are to offer an acceptable combination of quality and efficiency.
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For a given voice quality, VoIP does not offer a particularly efficient transport solution. This becomes a concern in any bandwidth-constrained part of a network, in particular, a copper-based, access network. VoIP access systems need to be carefully designed if they are to offer an acceptable combination of quality and efficiency.
openaire +1 more source