IP Telephony

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IP telephony: mobility and security IP telephony: mobility and security

With the introduction of IP based telephony services, the Internet has started to challenge the traditional PSTN networks as an infrastructure for providing real-time interactive services. This upcoming paradigm shift is not only driven by the desire to provide cost efficient solutions, but by basing the communication on IP we expect that the end-users will experience a greater set of attractiv...

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The convergence of traditional telecommunications and the Internet is creating new network-based service delivery opportunities for telecommunications companies carriers, service providers, and network equipment providers. Voice over Wireless IP is one of the most exciting new developments emerging within the telephony market. It is set to revolutionize the delivery of mobile voice Services and...

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Dimensioning Links for IP Telephony

Packet loss is an important parameter for dimensioning network links or traffic classes carrying IP telephony traffic. We present a model based on the Markov modulated Poisson process (MMPP) which calculates packet loss probabilities for a set of superpositioned voice input sources and the specified link properties. We do not introduce another new model to the community, rather try and verify o...

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Building Blocks for IP Telephony

The global telephony infrastructure is rapidly evolving from circuit-switching to IP-based packet-switching. Voice over IP (VoIP) is becoming common and is the intended base technology for corporate giants such as AT&T and Qwest. The marketing research firm, IDC, states “IP telephony is poised to become the fastest-growing, network services market of the decade” [1]. Reference [2] reviews the m...

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Configuring IP Telephony End Systems

This document is an Internet-Draft and is in full conformance with all provisions of Section 10 of RFC2026. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that other groups may also distribute working documents as Internet-Drafts. Internet-Drafts are draft documents valid for a maximum of six months and may be updated...

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ژورنال

عنوان ژورنال: The Journal of The Institute of Image Information and Television Engineers

سال: 2006

ISSN: 1881-6908,1342-6907

DOI: 10.3169/itej.60.163