Results 11 to 20 of about 288,912 (293)

Quality assessment and usage behavior of a mobile voice-over-IP service [PDF]

open access: yes, 2015
Voice-over-IP (VoIP) services offer users a cheap alternative to the traditional mobile operators to make voice calls. Due to the increased capabilities and connectivity of mobile devices, these VoIP services are becoming increasingly popular on the ...
De Marez, Lieven   +4 more
core   +1 more source

ANALYSIS OF OPERATIONAL PROPERTIES OF VOIP NETWORK [PDF]

open access: yesActa Electrotechnica et Informatica, 2021
Voice transmission over the Internet network is now taken for granted. Many end-user applications address this issue. However, this paper focuses on the specific use of the SCCP protocol created by Cisco, its implementation in a computer network and end
Cyril Filip KOVACIK, Gabriel BUGAR
doaj   +1 more source

Feasibility of Voice over IP on the Internet [PDF]

open access: yes, 2006
VoIP (Voice over IP) services are using the Internet infrastructure to enable new forms of communication and collaboration. A growing number of VoIP service providers such as Skype, Vonage, Broadvoice, as well as many cable services are using the ...
Freund, Yoav, Nieh, Jason, Sherman, Alex
core   +2 more sources

Development and Performance Analysis of a Lossless Data Reduction Algorithm for VoIP [PDF]

open access: yesMehran University Research Journal of Engineering and Technology, 2014
VoIP (Voice Over IP) is becoming an alternative way of voice communications over the Internet. To better utilize voice call bandwidth, some standard compression algorithms are applied in VoIP systems.
Syed Misbahuddin, Noureddine Boulejfen
doaj  

9-1-1 Calls for Voice-over-IP [PDF]

open access: yes, 2003
This document enumerates some of the major opportunities and challenges for providing emergency call (9-1-1) services using IP technology. In particular, all VoIP devices are effectively mobile. The same IP telephony device works anywhere in the Internet,
Schulzrinne, Henning G.
core   +2 more sources

Quality in Measurement: Beyond the deployment barrier [PDF]

open access: yes, 2002
Network measurement stands at an intersection in the development of the science. We explore possible futures for the area and propose some guidelines for the development of stronger measurement techniques.
McGregor, Anthony James
core   +2 more sources

Migración de redes de voz IPv4 a IPv6 [PDF]

open access: yesTecnura, 2012
This article discusses the current state of voice networks and IP networks running on version 6, and the different architectures that can be implemented.
Octavio Salcedo   +2 more
doaj  

A Comprehensive Survey of Voice over IP Security Research [PDF]

open access: yes, 1997
We present a comprehensive survey of Voice over IP security academic research, using a set of 245 publications forming a closed cross-citation set. We classify these papers according to an extended version of the VoIP Security Alliance (VoIPSA) Threat ...
Keromytis, Angelos D.
core   +2 more sources

SPQER: Speech Quality Evaluation Using Word Recognition for VoIP Communication in Lossy and Mobile Networks

open access: yesIEEE Open Journal of the Computer Society, 2020
In this paper, we introduce SPQER (pronounced speaker), a novel approach to evaluate the quality of experience for real-time Voice over IP (VoIP) communication in mobile and lossy networks.
Bertram Schuetz, Nils Aschenbruck
doaj   +1 more source

Implementasi Sistem IP PBX menggunakan Briker

open access: yesJurnal Elkomika, 2013
ABSTRAK VoIP (Voice over Internet Protocol) adalah komunikasi suara jarak jauh yang digunakan melalui jaringan IP. Pada penelitian ini dirancang sistem IP PBX dengan menggunakan teknologi berbasis VoIP.
DWI ARYANTA   +2 more
doaj   +1 more source

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