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voip
(2507 results)-
Whitepapers
Secure SIP From DoS Based Massage Flooding Attack
June 1, 2011 12:00am PDT
Over IP network the SIP-based VoIP system build, so it is precious by the IP network security problem. In this paper, the authors concentrate on the issue of Denial of Service (DoS) attacks which...
Provided by: International Journal of Computer Applications in Engineering Sciences (IJCAES)
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White Papers
The Near-extreme Density Of Intraday Log-returns
May 31, 2011 12:00am PDT
The extreme event statistics plays a very important role in the theory and practice of time series analysis. The reassembly of classical theoretical results is often undermined by non-stationarity...
Provided by: Cornell University
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White Papers
Penalty Methods For The Numerical Solution Of HJB Equations - Continuous Control And Obstacle Problems
May 30, 2011 12:00am PDT
In this paper, the authors present a novel penalty approach for the numerical solution of continuously controlled HJB equations and HJB obstacle problems. The results include estimates of the...
Provided by: Cornell University
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White Papers
Multichannel Virtual Access Points for Seamless Handoffs in IEEE 802.11 Wireless Networks
May 23, 2011 12:00am PDT
Within IEEE 802.11 Wireless Local Area Networks (WLANs), client stations can move freely, but because of the short range of their Access Points (APs), they usually need to reassociate with...
Provided by: IMAG
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White Papers
Indoor Seamless Roaming for VoIP Using IPv6 Location Assisted Network
May 23, 2011 12:00am PDT
In this paper, the authors present an approach to estimate the location of mobile unit in an indoor WiFi network environment. The estimated location information is then used to perform seamless...
Provided by: Universiti Teknologi Malaysia
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Discussion Threads
10 things you can do to conserve Internet bandwidth
May 22, 2011 7:05pm PDT
10 things you can do to conserve Internet bandwidth article root http://www.jordanforworld.com ??????????????? Cheap. Hot sale. Discount - BEST QUALITY GUARANTEE!! ??????????????? welcome to...
35 Started by dfwefegyxdgr | Latest comment by danekan
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Whitepapers
Using Voice over IP (VoIP) in Mobile Networks
May 12, 2011 12:00am PDT
Early in the last decade, service providers viewed VoIP as a threat to their traditional revenue streams. This has turned out to be true and is made possible by VoIP and the Internet, which is not...
Provided by: Global Knowledge
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Case Studies
Leading European Telecoms Operator
May 5, 2011 12:00am PDT
The company provides high-quality fixed and mobile telephony, Internet and digital television services and products, and is an all-round provider of ICT services for consumers. It also provides an...
Provided by: Capgemini
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White Papers
Consistency, Availability, and Convergence
May 3, 2011 12:00am PDT
The authors examine the limits of consistency in fault-tolerant distributed storage systems. In particular, they identify fundamental tradeoffs among properties of consistency, availability, and...
Provided by: University of Texas
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White Papers
Comparative Study of VoIP Over WiMax and WiFi
May 1, 2011 12:00am PDT
Recently wireless technology has grown immensely in popularity and usage becoming a medium of choice for networks. The wireless communication revolution is bringing fundamental changes to data...
Provided by: University of Karachi
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White Papers
Endpoint-Based Call Admission Control and Resource Management for VoWLAN
May 1, 2011 12:00am PDT
This paper examines two specific aspects of resource management in Wireless Local Area Networks (WLANs) - Call Admission Control (CAC) and handling of Link Adaptation (LA) events. A...
Provided by: Institute of Electrical and Electronics Engineers
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Whitepapers
An Approach of Covert Communication Based on the Adaptive Steganography Scheme on Voice over IP
April 26, 2011 12:00am PDT
An effective covert communication system can be achieved based on steganography in stream media such as VoIP (Voice over IP), and the LSB-based (Least-Significant-Bit) methods are the most popular...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
A MOS-based Routing Approach for Wireless Mesh Networks
April 26, 2011 12:00am PDT
In this paper, the authors propose a routing approach aimed at enhancing the quality of Voice-over-IP transmissions in multipath Wireless Mesh Networks. The proposed approach executes a path...
Provided by: Institute of Electrical & Electronic Engineers
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White Papers
A Sharp Analysis On The Asymptotic Behavior Of The Durbin-watson Statistic For The First-order Autoregressive Process
April 17, 2011 12:00am PDT
The purpose of this paper is to provide a sharp analysis on the asymptotic behavior of the Durbin-Watson statistic. The authors focus the attention on the first-order autoregressive process where...
Provided by: Cornell University
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White Papers
Evaluating the Perceived Quality of Infrastructure-Less VOIP
April 14, 2011 12:00am PDT
Voice over IP (VoIP) is one of the most popular Internet applications. Many VoIP protocols (e.g. SIP) are based on a central-server scheme in which a caller needs to query the central server first...
Provided by: National Cheng Kung University
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White Papers
Phonotactic Reconstruction of Encrypted VoIP Conversations: Hookt on fon-iks
April 11, 2011 12:00am PDT
In this paper, the authors unveil new privacy threats against Voice-over-IP (VoIP) communications. Although prior work has shown that the interaction of variable bit-rate codecs and...
Provided by: University of North Carolina
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Q&A
Is there any Ubuntu 10.04 - VOIP Phone Software similar to Inter-Tel?
April 8, 2011 1:32pm PDT
Is there any Ubuntu 10.04 - VOIP Phone Software similar to Inter-Tel? We currently use Inter-Tel 8602 on Windows. We would like to switch over to Ubuntu 10.04. We connect through an IPRC card. I...
2 Started by NoLuck17 | Latest comment by Peconet Tietokoneet
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Discussion Threads
VoIP softphone development
April 7, 2011 1:52am PDT
VoIP softphone development StarTele Logic's mobile Softphone applications is that they are 'intended for service providers'. These are services which offer end-to-end Mobile softphone...
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Discussion Threads
Android Video call
April 7, 2011 1:29am PDT
Android Video call Android Video Calling software especially given all the media hype surrounding the new Android Phone. Startele Logic already tweet my displeasure that the new Android Phone...
1 Started by startelelogic | Latest comment by startelelogic
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Whitepapers
Adaptive VoIP Multiplexing in LTE Backhaul
April 5, 2011 12:00am PDT
LTE has a distributed system architecture optimized for IP connectivity. Circuit switched technology is not supported by LTE at all; therefore it provides VoIP based voice service only. In LTE,...
Provided by: Institute of Electrical & Electronic Engineers
