VoIP protocols-thesis




Network Address Translation (NAT) Traversal for VoIP protocols

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A comparative study of VoIP protocols
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Nowadays, Multimedia Communication has been developed and improved rapidly in order to enable users to communicate between each other over the Internet. In general, the multimedia communication consists of audio, video and instant messages communication

A generic technique for voice over internet protocol (voip) traffic detection
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obvious security implications. This paper presents generic techniques for the detection of traffic generated by all VoIP protocols both currently in existence and any future VoIP protocols that be used. The method proposed

An overview of voice over internet protocol (voip)
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The following topics will be covered: VoIP protocols Security issues Case study Potential Benefits of the Converged Network. 3 VoIP Protocols There are a number of protocols that be employed in order to provide the VoIP communication services

Session Initiation Protocol (SIP) and other Voice over IP ( VoIP ) protocols and applications
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The Session Initiation Protocol (SIP) is an Internet Engineering Task Force (IETF) standard used in Voice over IP (VoIP). The Real-Time Protocol (RTP) is used for the real-time transportation of data such as voice and video. The SIP protocol has its problems, in

VoIP performance over different interior gateway protocols
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Intel Application Report. B.Chatras, S. Garcin. Service drivers for selecting VoIP protocols . In Proceedings of 11th International Telecommunications Network Strategy and Planning Symposium, 13-16 June 2004. [7

QoS design consideration for enterprise and providers network at ingress and egress router for VoIP protocols
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Compliance with the Service Level Agreement (SLA) metric is a major challenge in a Multiprotocol Label Switching Virtual Private Network (MPLS VPN) because mandatory models must be maintained on both sides of the MPLS VPN in order to achieve end-to-end

Open source VoIP traffic monitoring
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Handling standard VoIP protocols as well, as much as possible, proprietary protocols For this reason, this work will focus only on (partially) open VoIP protocols as they allow monitoring applications to decode relevant call information

VoIP Telephony with Asterisk
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Page 1. VoIP Telephony with Asterisk BY Paul Mahler ISBN 09759992-0-6 Mahler, PS Asterisk and IP Telephony / Paul Mahler Page 2. Table of contents

PERFORMANCE COMPARISON OF IAX AND ITTP VoIP PROTOCOLS .
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VoIP is a technology used to transfer the voice calls over the Internet. There are many VoIP protocols proposed to transfer the voice calls over the Internet such as ITTP and IAX. This paper provides a comparative study for the ITTP and IAX protocols accompanied with

A comparative study of VoIP, MCS, instant messaging protocol and multimedia applications
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This paper surveys the functions and the privileges of different VoIP protocols (ie InterAsterisk eXchange Protocol (IAX), Session Initiation Protocol (SIP), and H.323 protocol), Multimedia Conferencing System (MCS) (ie Real Time Switching Control Protocol (RSW) and

An efficient interworking between heterogeneous networks protocols and multimedia computing applications
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This paper surveys the interworking functions between different VoIP protocols (ie InterAsterisk eXchange Protocol (IAX), Session Initiation Protocol (SIP), and H.323 protocol), Multimedia Conferencing System (MCS) (ie Real Time Switching Control Protocol (RSW) and

Data analysis and summarization to detect illegal VoIP traffic with call detail records
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The algorithm emphasizes primarily on Session Initiation Protocol (SIP) but it can be modified and used for all VoIP protocols like H.323 and Inter- Asterisk eXchange protocol (IAX2). The suggested method is based on analyzing the pcap files

VoIP Vulnerabilities-Registration Hijacking
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One such vulnerability is registration hijacking. In SIP (and other VoIP protocols ), a User Agent (UA)/IP phone must register itself with a SIP proxy/registrar (or IP PBX), which allows the proxy to direct inbound calls to the UA

Collective Study On Security Threats In VOIP Networks
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on the internet. As internet has no such specific design so it makes the unwanted users to misuse the VOIP protocols . There are two main protocols used in VOIP .i.Signalling Protocolii. Media Transport Protocol. Now a days

SOSIMPLE: A SIP/SIMPLE Based P2P VoIP and IM System
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This central proxy is a more sophisticated network element than a web proxy. These proxies are typically responsible for registration of UAs, location of users within the system, and routing signaling traffic between UAs. There are a number of VoIP protocols in wide use

Voice over internet protocol (VOIP): overview, direction and challenges
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It is on this basis that this paper tends to critically review this new technology VoIP, x-raying the different types. It further more discusses in detail the VoIP system, VoIP protocols and a comparison of different VoIP protocols

Security enhancement of voip protocols using ecc
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This paper explores the known VoIP related vulnerabilities and suggests solution to various security issues. This paper tries to reduce the gap between the vulnerabilities, detection and solutions to VoIP security issues. Understanding this gap will help to identify what issues

ITTP: A new transport protocol for VoIP applications
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Applications, pp.237-24 2009. T. Abbasi, S. Prasad, N. Seddigh and I. Lambadaris, A comparative study of the SIP and IAX VoIP protocols Canadian Conference on Electrical and Computer Engineering. J.-G. Doong and

BLAZE: A Mobile Agent Paradigm for VoIP Intrusion Detection Systems.
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Also, the functionality to perform the required recovery can be dynamically added to the mobile agents without changing the underlying VoIP protocols . We also present the concept of developing user profiles based on the users call behaviour

Patterns for VoIP signaling protocol architectures
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4. Conclusions We have presented two patterns that describe the architectures implied by the two main VoIP protocols . The H.323 Signaling Protocol Architecture pattern offers a way to complement and support the transport of data, voice and video packets in VoIP systems CSE PROJECTS

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