Results 121 to 130 of about 76,170 (304)

Analisis Unjuk Kerja Perubahan Jumlah Node dan RAW Station pada IEEE 802.11ah

open access: yesJurnal Nasional Teknik Elektro dan Teknologi Informasi, 2017
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  

VoIP teknolojilerinde güvenlik [PDF]

open access: yes, 2009
VoIP is a technology that enables the transport of data packets on the Internet. This technology has shown a rapid development and utilization rate has reached important dimensions. VoIP technology obtains low cost, easy and flexible structure that can be developed, such factors as ease of setup and use. So, VoIP became widespread.
openaire   +1 more source

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  

User Access Control and Authentication System for VoIP Service in Mobile Communication Environments

open access: yesInternational Journal of Distributed Sensor Networks, 2014
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

Prevención frente a ataques en VOIP

open access: yes, 2016
This Project analyzes a complete deployment of a securitization process over VoIP infrastructure. It includes a real experience, covering all the steps of the security chain. The experience is developed over a multi office company, which requires the implementation of a communication system adjusted to their needs. After analyzing different options, we
openaire   +2 more sources

Delay Variation Model with RTP Flows Behavior in Accordance with M/D/1 Kendall's Notation

open access: yesAdvances in Electrical and Electronic Engineering, 2010
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  

Research on Open-Source VoIP Technologies for NGN Service Platform Deployment

open access: yesDianxin kexue, 2012
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

VoIP: What is it Good for? [PDF]

open access: bronze, 2004
Sudhir R. Ahuja, R. C. K. Ensor
openalex   +1 more source

VoIP Security: Not an Afterthought [PDF]

open access: bronze, 2004
Douglas Sicker, Tom Lookabaugh
openalex   +1 more source

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