Results 1 to 10 of about 369 (188)

Selected issues of IP telephony [PDF]

open access: yesCommunications, 2004
Technologies for transporting voice over networks based on IP protocol, known under various names, e.g., Voice Over IP (VoIP), Voice on the Net (VoN), IP telephony (below IP telephony), made a great progress in the last decade.
Martin Klimo   +2 more
doaj   +2 more sources

Adaptable and Automated Small UAV Deployments via Virtualization [PDF]

open access: yesSensors, 2018
In this paper, we present a practical solution to support the adaptable and automated deployment of applications of Small Unmanned Aerial Vehicles (SUAVs).
Borja Nogales   +3 more
doaj   +2 more sources

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
exaly   +5 more sources

Security Risks in IP Telephony

open access: yesAdvances in Electrical and Electronic Engineering, 2010
This paper deals with VoIP communication security and various techniques of VoIP attacks. We divided these threats in several categories according to their specific behaviour and their impact on the affected system.
Filip Rezac, Miroslav Voznak
doaj   +2 more sources

Applied Multiprotocol Routing in IP Telephony

open access: yesAdvances in Electrical and Electronic Engineering, 2010
The aim of the project was to create a multi-protocol system using SIP, H.323 and MGCP standards, which would ensure routing to various types of VoIP networks. The priority was to provide multi-protocol support to SIP and H.323 signalling and the support
Miroslav Voznak, Filip Rezac, Jan Rozhon
doaj   +2 more sources

An Efficient Method to Enhance IP Telephony Performance in IPV6 Networks

open access: yesCybernetics and Information Technologies, 2021
IP telephony have played an essential role during the COVID 19 pandemic lockdown. One of the issues that lower the service level of the IP telephony solutions is the inefficient bandwidth exploitation.
Abualhaj Mosleh M.   +3 more
doaj   +1 more source

Implementasi Trunk Interkoneksi Multi Server menggunakan Singleboard Komputer

open access: yesJurnal Jaringan Telekomunikasi, 2021
Voice over Internet Protocol (juga disebut VoIP, IP Telephony, Internet telephony atau Digital Phone) adalah teknologi yang memungkinkan percakapan suara jarak jauh melalui media internet.
Alwalid Nouvatie   +2 more
doaj   +1 more source

Nicotinamide riboside and pterostilbene reduces markers of hepatic inflammation in NAFLD: A double‐blind, placebo‐controlled clinical trial

open access: yesHepatology, EarlyView., 2022
NRPT 1X reduces ALT and ceramide 14:0 in 65% of subjects as compared to only 28% in the placebo group. Abstract Background and Aims The prevalence of NAFLD is increasing globally and on a path to becoming the most frequent cause of chronic liver disease. Strategies for the prevention and treatment of NAFLD are urgently needed.
Ryan W. Dellinger   +7 more
wiley   +1 more source

Building blocks for IP telephony [PDF]

open access: yesIEEE Communications Magazine, 2000
Convergence between the existing telephone networks and data transfer over the Internet not only demands that new software be written to handle telephony applications which span both networks, but also makes new and innovative applications possible. Rather than writing these applications from the ground up, it would be helpful to have a relatively high-
Donna Bergmark, Srinivasan Keshav
openaire   +1 more source

Ensuring information security in corporate communication systems [PDF]

open access: yesE3S Web of Conferences, 2021
The paper considers a secure information transfer protocol for corporate IP-telephony system. In the article are analized the advantages and disadvantages of the known protocols.
Matrokhina K.V.   +2 more
doaj   +1 more source

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