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voip
(2505 results)-
Whitepapers
Optimizing Update Interval of Gateways in VoIP Call Using TGREP
January 1, 2013 12:00am PST
Telephony Gateway REgistration Protocol [TGREP] is a route registration protocol for telephone destinations on a gateway. TGREP allows PSTN gateways or soft switches to inform a signaling server...
Provided by: IJCSMR
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Whitepapers
Survey on Adaptive LMS Algorithm to Cancel Noise and Improve Audio Quality in VOIP
January 1, 2013 12:00am PST
In this paper, the authors propose a technique through which noise in the communication system of VOIP can be eliminated and the quality can be improved to a great extend. VOice over Internet...
Provided by: IJCSMR
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Whitepapers
Billing Attacks on SIP-Based VoIP Systems
January 1, 2013 12:00am PST
Billing is fundamental to any commercial VoIP services and it has direct impact on each individual VoIP subscriber. One of the most basic requirements of any VoIP billing function is that it must...
Provided by: George Mason University
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Whitepapers
The Protection Mechanism against DOS and SQL Injection Attack in SIP Based Infrastructure
January 1, 2013 12:00am PST
Voice over Inter Protocol (also called VoIP, IP Telephony, Internet Telephony, and Broadband Phone) is the routing of voice conversations over the Internet or through any other IP-based network....
Provided by: International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
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Whitepapers
Back-to-Back Networking for Traffic Characteristics on Digital Video Transmission System (DVTS)
December 21, 2012 12:00am PST
Nowadays, real-time video communication is an increasingly popular application for real-time demonstrations and/or interactive teleconferences offering original quality and assuring smooth...
Provided by: International Journal of Information and Electronics Engineering
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Whitepapers
Analysis Quality of Service from Internet Protocol Television (IP TV) Service
December 1, 2012 12:00am PST
IPTV was convergency product between broadcasting, telecommunication and information technology because it gave multimedia service such as TV broadcasting, video, audio, text, and data transmitted...
Provided by: Institute of Advanced Engineering and Science (IAES)
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Whitepapers
Comparative Study of QoS Parameters of Sip Protocol in 802.11a and 802.11b Network
December 1, 2012 12:00am PST
Present day, the Internet telephony growth is much faster than previous. Now the authors are familiar with digitized packet of voice stream. So, authors have required VOIP communication. SIP is...
Provided by: AIRCC
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Whitepapers
Implementing Security on a Voice over Internet Protocol (VoIP) Network: A Practical Approach
December 1, 2012 12:00am PST
The internet has been undergoing rapid and continuous growth over the past few years. The most significant development the telecommunication industry has witnessed is the evolution of Voice over...
Provided by: IOSR Journal of Engineering
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Whitepapers
Classification of SIP Messages by a Syntax Filter and SVMs
November 21, 2012 12:00am PST
The Session Initiation Protocol (SIP) is at the root of many sessions-based applications such as VoIP and media streaming that are used by a growing number of users and organizations. The increase...
Provided by: University of Tr�s-os-Montes and Alto Douro
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Whitepapers
QoS-Aware Multi-Plane Routing for Future IP-Based Access Networks
November 21, 2012 12:00am PST
With the increasing interest in continuous media streaming applications such as audio and video, Quality of Service (QoS) is becoming more and more important. Providing QoS guarantees in packet...
Provided by: University of Ljubljana
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Whitepapers
Extended Core Stateless Fair Queuing (ECSFQ) with Multiple Queue Priority Scheduler
November 8, 2012 12:00am PST
The Core Stateless Fair Queuing (CSFQ) is a distributed approach of fair queuing. The limitations of CSFQ include its inability to estimate fairness during large traffic flows which are short and...
Provided by: EuroJournals
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Whitepapers
Proposed Secure SIP Authentication Scheme Based on Elliptic Curve Cryptography
November 1, 2012 12:00am PDT
Session Initiation Protocol (SIP) is a powerful signaling protocol that increasingly used for administrating Voice over IP (VoIP) phone calls. In recent years, Session Initiation Protocol (SIP) is...
Provided by: International Journal of Computer Applications
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Whitepapers
Integrating Voice over Internet Protocol (VoIP) Technology as a Communication Tool on a Converged Network in Nigeria
November 1, 2012 12:00am PDT
Telecommunications in recent years has been undergoing a rapid growth all over the world. Prominent among the advancements of telecommunication is the evolution of modern converged network that...
Provided by: IRPN Press
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Whitepapers
An Efficient Encryption Algorithm for P2P Networks Robust Against Man-in-the-Middle Adversary
November 1, 2012 12:00am PDT
Peer-to-Peer (P2P) networks have become popular as a new paradigm for information exchange and are being used in many applications such as file sharing, distributed computing, video conference,...
Provided by: International Journal of Computer Science Issues
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Whitepapers
Performance Analysis of VoIP Codecs over WiMAX Networks
November 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 no longer confined to the wired domain and extended over wireless...
Provided by: International Journal of Computer Science Issues
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Whitepapers
Performance Analysis of Scheduling Algorithms For VoIP Services in IEEE 802.16 Systems
November 1, 2012 12:00am PDT
VoIP applications are being widely used in today's networks challenging their capabilities to provide a good quality of experience level to the users. In particular, there are several scheduling...
Provided by: International Journal of Computer Science Issues
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Whitepapers
Quality of Service (QoS) in Wireless Network and NS-3, VOIP Simulation Environment
November 1, 2012 12:00am PDT
Quality of Service (QoS) is what determines if a wireless technology can successfully deliver high value services such as voice and video. The UGS service flow handles the traffic generated by...
Provided by: International Journal of Soft Computing and Engineering (IJSCE)
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Whitepapers
Demystifying Unified Communications
October 21, 2012 12:00am PDT
To achieve UC and other next-generation benefits, companies must build the right foundation. Enterprises have committed to IP telephony, and completing the conversion to VoIP is just a matter of...
Provided by: ShoreTel
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Whitepapers
SIP Trunks - Benefits and Best Practices
October 21, 2012 12:00am PDT
Back in the days of wireline telephony, when all phone calls went over the Public Switched Telephony Network (PSTN), businesses would purchase "trunks" -dedicated lines or a bundle of circuits -...
Provided by: ShoreTel
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Whitepapers
Efficient Bandwidth Estimation Management for VOIP Concurrent Multipath Transfer
October 19, 2012 12:00am PDT
Concurrent multipath transfer distributes incoming traffic simultaneously between several paths to maximize network resource utilization and to improve quality of service. Voices over IP real time...
Provided by: Sathish Valluri
