Estatística multivariada aplicada no correlacionamento da qualidade de serviços em chamadas VOIP e a qualidade da fala aferida pela recomendação ITU-T G.107. [PDF]
Sérgio Costa Martins de Alencar
openalex +1 more source
Analisis Unjuk Kerja Perubahan Jumlah Node dan RAW Station pada IEEE 802.11ah
Rapid development of wireless network impacts the development of IEEE 802.11x standard technology. However, the existing standard technologies still can not solve the problem of capacity, coverage, and power consumption.
Triani Wulandari +2 more
doaj
Applied Multiprotocol Routing in IP Telephony
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
Delay Variation Model with RTP Flows Behavior in Accordance with M/D/1 Kendall's Notation
This paper focuses on the design of a mathematical model of end-to-end delay of a VoIP connection, in particular on a delay variation. It describes all partial delay components and mechanisms, its generation, facilities and its mathematical formulations.
Miroslav Voznak, Michal Halas
doaj
User Access Control and Authentication System for VoIP Service in Mobile Communication Environments
VoIP, which is used to transmit voice data on the Internet, is being welcomed as a replacement for the PSTN. In VoIP, voice data are converted to IP data and transmitted in an ordinary IP network.
Ho-Kyung Yang +3 more
doaj +1 more source
Research on Open-Source VoIP Technologies for NGN Service Platform Deployment
Open-source VoIP technologies can be employed to setup VoIP platforms by deploying open-source software on x86 servers, which have many advantages such as low cost, flexibility and openness.
Lei Xia, Shaomin Wang, Qingfeng Zhong
doaj +2 more sources
Comparação dos tempos de geração e digitação de laudos radiológicos entre um sistema eletrônico baseado em voz sobre IP (VoIP) e um sistema tradicional baseado em papel [PDF]
Dácio Miranda Ferreira +3 more
openalex +1 more source
Extraction of Electronic Evidence from VoIP: Forensic Analysis of A Virtual Hard Disk Vs RAM
The popularity of Voice over the Internet Protocol (VoIP) is increasing as the cost savings and ease of use is realised by a wide range of home and corporate users. However, the technology is also attractive to criminals. This is because VoIP is a global
david irwin +3 more
doaj

