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voip
(2512 results)-
Whitepapers
Performance Analysis of DiffServ Based Quality of Service in a Multimedia Wired Network and VPN Effect Using OPNET
May 17, 2012 12:00am PDT
Quality of Service (QoS) techniques are applied in IP networks to utilize available network resources in the most efficient manner to minimize delays and delay variations (jitters) in network...
Provided by: Cornell University
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Whitepapers
Load Balancing in IP/MPLS Networks: A Survey
May 15, 2012 12:00am PDT
The present era has witnessed tremendous growth of the Internet and various applications that are supported by it. There is an enormous pressure on Internet Service Providers (ISPs) to make...
Provided by: Scientific Research
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Whitepapers
Simulation of VoIP Over UDP With Bandwidth on Demand Analysis
May 10, 2012 12:00am PDT
This paper analyses resource provisioning for enterprise Voice-over-IP (VoIP) networks. Simulation and analytical methods are used to enhance the provisioning process, which ultimately aims to...
Provided by: International Journal of Computer Science and Communication Networks (IJCSCN)
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Whitepapers
A Call Admission Control Scheme for Multimedia Support Over IEEE 802.11 Wireless LANs
May 9, 2012 12:00am PDT
These days there is an increasing interest for VoIP over wireless LANs. QoS support for real-time services like voice in the IEEE 802.11 WLAN is an important issue. Since, IEEE 802.11 uses...
Provided by: Interscience Open Access Journals
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White Papers
A Lightweight Payment Scheme for Real-Time Services Based on SIP
May 4, 2012 12:00am PDT
In the Session Initiation Protocol (SIP), payments have been proposed as a way for vendors to obtain profit from the services they provide. Payments in SIP have also been proposed for microbilling...
Provided by: Springer Science+Business Media
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Whitepapers
Detection and Prevention of SIP Flooding Attacks in Voice Over IP Networks
May 4, 2012 12:00am PDT
As Voice over IP (VoIP) increasingly gains popularity, traffic anomalies such as the SIP flooding attacks are also emerging and becoming into a major threat to the technology. Thus, detecting and...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Implementation of Blake and RSA in a Fast Authentication Protocol for Wireless Mesh Networks on FPGA
May 1, 2012 12:00am PDT
Encryption techniques like BLAKE and RSA is implemented in a fast authentication protocol based on tickets, which supports fast handoff mainly in real time applications like VoIP in Wireless Mesh...
Provided by: International forum of researchers Students and Academician
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Whitepapers
Improving ertPS Grant Allocation for VoIP Traffic in Silence Duration
May 1, 2012 12:00am PDT
This paper proposes a new uplink scheduling algorithm that can increase the uplink VoIP user capacity for ertPS scheduling in 802.16e networks. This algorithm solves the problems of uplink...
Provided by: International Journal of Information and Electronics Engineering
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Whitepapers
Improving Quality of VoIP over WiMAX
May 1, 2012 12:00am PDT
Real-time services such as VoIP are becoming popular and are major revenue earners for network service providers. These services are no longer confined to the wired domain and are being extended...
Provided by: International Journal of Computer Science Issues
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Whitepapers
Adaptive Coding and Energy Efficient Packet Rate Transmission Over Wireless LAN Friendly VOIP
May 1, 2012 12:00am PDT
Energy efficiency takes important in wireless communication systems where networked low-power devices relying on batteries should be able to communicate transparently. Current wireless network...
Provided by: IOSR Journal of Engineering
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Whitepapers
Comparative Analysis of Video Streaming Services in H.323 Application Layered Protocol Coexisting of WLAN with Wireless Broadband Standard Networks
May 1, 2012 12:00am PDT
Intellectual mobile terminals (or users) of next generation wireless networks are expected to initiate/Establish Voice Over IP (VoIP) calls using session set-up protocols like H.323 or SIP...
Provided by: International Journal of Computer Applications
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Whitepapers
A Novel Approach for Security Issues in VoIP Networks in Virtualization With IVR
May 1, 2012 12:00am PDT
VoIP (Voice over Internet Protocol) is a growing technology during last decade. It provides the audio, video streaming facility on successful implementation in the network. However, it provides...
Provided by: Cornell University
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White Papers
Secure Communication Using Electronic Identity Cards for Voice over IP Communication, Home Energy Management, and eMobility
April 30, 2012 12:00am PDT
Using communication services is a common part of everyday life in a personal or business context. Communication services include Internet services like voice services, chat service, and web 2.0...
Provided by: IARIA
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Whitepapers
Towards Statistical Analysis of the Impact of Playout Buffer on Quality of Experience in VoIP Applications
April 30, 2012 12:00am PDT
The speech quality of Voice over IP (VoIP) applications can be assessed subjectively as Quality of Experience (QoE) and objectively as Quality of Service (QoS). QoE is multifaceted, which ties...
Provided by: IARIA
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White Papers
Analyzing the Effect of Playout Buffer Adjustment on Voice Quality for VoIP Based Social-Network Applications
April 23, 2012 12:00am PDT
Social networks are making the dream of real time group communication a reality. Voice over Internet Protocol (VoIP)based social network applications are becoming popular but are also suffering...
Provided by: Universal Association of Computer and Electronics Engineers
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Whitepapers
Modelling and Simulation of Voice Over Internet Protocol (VOIP)
April 1, 2012 12:00am PDT
Real time voice transmission is now widely used over the Internet and has become a very significant application. Voice quality is still however an open problem due to the loss of voice packets and...
Provided by: International Journal of Engineering and Innovative Technology (IJEIT)
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Whitepapers
Privacy and Packet Dispersion of Voice Applications in P2P Networks-VoIP
April 1, 2012 12:00am PDT
In this paper, the authors are mainly focusing about how to improve privacy in peer to peer VOIP network without the involvement of third party. Currently they have the technologies like skype,...
Provided by: International Journal of Computer Applications
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White Papers
Perceptual Evaluation of Playout Buffer Algorithm for Enhancing Perceived Quality of Voice Transmission Over IP Network
April 1, 2012 12:00am PDT
Voice over Internet Protocol (VoIP) is a technology that allows you to make voice calls using a broadband Internet connection instead of a regular (or analog) phone line. Voice over Internet...
Provided by: Academy & Industry Research Collaboration Center
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Whitepapers
Android Driven Security in Sip Based VoIP Systems Using ZRTP on GPRS Network
April 1, 2012 12:00am PDT
Voice has always been the poor cousin of data security. In VoIP networks, most of the packets are transmitted without Encryption. Any unauthorized person can capture the packets with the use of...
Provided by: International Journal of Computer Networks and Wireless Communications (IJCNWC)
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Discussion Threads
Six reasons why tablets will replace desk phones
March 23, 2012 8:32am PDT
Eeerily Similar Good points! The technical visionary at the company I work at gave a very similar presentation a week ago, What started first as the piercing of the Blackberry barrier by the...
23 Started by thomas.cauley@... | Latest comment by ChyrillStucker
