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The Diffusion of Ip Telephony and Vendors’ Commercialisation Strategies [PDF]

open access: yesJournal of Information Technology, 2009
The Internet telephony (IP telephony) has been presented as a technology that can replace existing fixed-line services and disrupt the telecommunications industry by offering new low-priced services. This study investigates the diffusion of IP telephony in Denmark by focusing on vendors’ commercialisation strategies. The theory of disruptive innovation
Ioanna D. Constantiou   +2 more
openaire   +6 more sources

Comparing the efficiency of IP and ATM telephony [PDF]

open access: yes1999 2nd International Conference on ATM. ICATM'99 (Cat. No.99EX284), 2003
Circuit switching, suited to providing real-time services due to the low and fixed switching delay, is not cost effective for building integrated services networks bursty data traffic because it is based on static allocation of resources which is not efficient with bursty data traffic. Moreover, since current circuit switching technologies handle flows
BALDI, MARIO   +1 more
openaire   +4 more sources

IP Telephony Applicability in Cloud Computing

open access: yesJournal of Science and Research, 2018
This paper carries out a research related to the applicability of VoIP over Cloud Computing to guarantee service stability and elasticity of the organizations.
Francisco Palacios   +3 more
doaj   +1 more source

Comparative analysis of traditional telephone and VoIP systems

open access: yesJISR on Computing, 2014
Pakistan is in the period of upgrading communication infrastructure. Therefore many communication techniques are taking birth day by day and building the effective way of communication and one of many is IP Telephony system.
Syed Mohammad Raza Sajjad   +1 more
doaj   +1 more source

Automatic Classification of Attacks on IP Telephony

open access: yesAdvances in Electrical and Electronic Engineering, 2013
This article proposes an algorithm for automatic analysis of attack data in IP telephony network with a neural network. Data for the analysis is gathered from variable monitoring application running in the network.
Jakub Safarik   +4 more
doaj   +1 more source

A Security Analysis on OpenSIPS

open access: yesIJAIT (International Journal of Applied Information Technology), 2020
IP Telephony, Internet Telephony, Digital Phone or often also called VoIP (Voice Over Internet Protocol) is a technology that allows long-distance voice conversations with the Internet.
Gandeva Bayu Satrya   +1 more
doaj   +1 more source

Session Initiation Protocol Proxy in a Role of a Quality of Service Control Application in Software-Defined Networks

open access: yesDesigns, 2022
This article deals with quality of service (QoS) in internet protocol (IP) telephony by applying software-defined networking (SDN) tools. The authors develop a new design that deterministically classifies real-time protocol (RTP) streams based on data ...
Dalibor Zeman   +3 more
doaj   +1 more source

An analytical simulator for deploying IP telephony [PDF]

open access: yesInternational Journal of Network Management, 2008
AbstractDeploying IP telephony or voice over IP (VoIP) is a major and challenging task. This paper describes an analytical design and planning simulator to assess the readiness of existing IP networks for the deployment of VoIP. The analytical simulator utilizes techniques used for network flows and queuing network analysis to compute two key ...
Khaled Salah 0001   +3 more
openaire   +1 more source

METHODS FOR ENHANCING SECURITY IN IP TELEPHONY

open access: yesInformation and Telecommunication Sciences
Background. The widespread adoption of IP telephony in corporate and operator networks has led to an increased risk of cyber threats such as fraud, eavesdropping, service interruptions and unauthorised access.
Serhii Fedorov, Rina Novogrudskaya
doaj   +1 more source

Building Model for the University of Mosul Computer Network Using OPNET Simulator

open access: yesTikrit Journal of Engineering Sciences, 2011
This paper aims at establishing a model in OPNET (Optimized Network Engineering Tool) simulator for the University of Mosul computer network. The proposed network model was made up of two routers (Cisco 2600), core switch (Cisco6509), two servers, ip 32 ...
Modhar A. Hammoudi
doaj   +1 more source

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