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Voice-over-IP Security: Research and Practice [PDF]
, 2010 Consumers and enterprises alike are rapidly adopting voice-over-IP (VoIP) technologies, which offer higher flexibility and more features than traditional telephony infrastructures. They can also potentially lower costs through equipment consolidation and,
Keromytis, Angelos D.
core +2 more sources
Investigation of Mobile IPv6 and SIP integrated architectures for IMS and VoIP applications [PDF]
, 2008 Mobile IPv6 and SIP are protocols designed to support different types of mobility. Mobile IPv6 has been used to support mobility in IP networks and SIP has been used for voice over IP applications.
Lohi, M. +5 more
core +1 more source
Development and Performance Analysis of a Lossless Data Reduction Algorithm for VoIP [PDF]
Mehran 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
Multicast broadcast services support in OFDMA-based WiMAX systems [Advances in mobile multimedia] [PDF]
, 2007 Multimedia stream service provided by broadband wireless networks has emerged as an important technology and has attracted much attention. An all-IP network architecture with reliable high-throughput air interface makes orthogonal frequency division ...
Chen, HH, Jiang, T, Ni, Q, Xiang, W
core +1 more source
Migración de redes de voz IPv4 a IPv6 [PDF]
Tecnura, 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
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Performance Analysis of VoIP Data over IP Networks [PDF]
International Journal of Electronics and Telecommunications, 2021 The paper presents the results of research and analysis of voice data transmission quality in IP packet networks. It analyses mechanisms allowing for the assessment of packet telephony data transmission quality.
Dariusz Strzęciwilk
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IEEE 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
HIGH QUALITY LOW BITRATE VOICE CODEC FOR TRANSMISSION OVER ADVANCED LTE
Iraqi Journal of Information & Communication Technology, 2021 In mobile communication systems bit-rate reductions while maintaining an acceptable voice quality are necessary to achieve efficiency in channel bandwidth utilization and users satisfaction.
Noor N. Edan, Nasser N. Khamiss
doaj +1 more source
, 2020 The implications of ambimorphic archetypes have been far-reaching and pervasive. After years of natural research into consistent hashing, we argue the simulation of public-private key pairs, which embodies the confirmed principles of theory. Such a hypothesis might seem perverse but is derived from known results.
Anggi Cecilia Safaningrum +2 more
openaire +2 more sources
LTE enhancements for Public Safety and Security communications to support Group Multimedia Communications [PDF]
, 2015 Currently Public Safety and Security communication systems rely on reliable and secure Professional Mobile Radio (PMR) Networks that are mainly devoted to provide voice services.
Carlà, Lorenzo +4 more
core +2 more sources