Results 11 to 20 of about 410,715 (365)

Steganography and Steganalysis in Voice over IP: A Review [PDF]

open access: yesSensors, 2021
The rapid advance and popularization of VoIP (Voice over IP) has also brought security issues. VoIP-based secure voice communication has two sides: first, for legitimate users, the secret voice can be embedded in the carrier and transmitted safely in the
Zhijun Wu   +3 more
doaj   +3 more sources

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

open access: greenTelecommunications Systems, 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 ...
Toon De Pessemier   +4 more
core   +5 more sources

Simulation and Analysis of Quality of Service (QoS) Parameters of Voice over IP (VoIP) Traffic through Heterogeneous Networks [PDF]

open access: greenarXiv.org, 2017
Identifying those causes and parameters that affect the Quality of Service (QoS) of Voice-over-Internet Protocol (VoIP) through heterogeneous networks such as WiFi, WiMAX and between them are carried out using the OPNET simulation tool.
Mahdi H. Miraz   +4 more
openalex   +3 more sources

An Enhanced Steganographic Code and its Application in Voice-Over-IP Steganography

open access: yesIEEE Access, 2019
Voice-over IP (VoIP) technology is a kind of digital transmission technology based on IP network. It is one of the important methods to use voice service in VoIP as steganographic carrier to ensure secure transmission.
Lejun Zhang   +4 more
doaj   +2 more sources

An Effective Machine Learning (ML) Approach to Quality Assessment of Voice Over IP (VoIP) Calls

open access: greenIEEE Networking Letters, 2020
This letter puts forward a supervised ML technique to determine the Quality of Experience (QoE) of VoIP calls. It takes its beginning from an investigation on VQmon, an enhanced E-model version that estimates the quality of IP-based voice calls adopting ...
Elena Cipressi, Maria Luisa Merani
openalex   +3 more sources

FractalNet-based key generation for authentication in Voice over IP using Blockchain

open access: goldAin Shams Engineering Journal
Voice over Internet Protocol (VoIP) has seen significant growth since the proliferation of the Internet, primarily due to its low-cost structure and simplicity in deployment.
Vajjala Sreenivasulu   +1 more
doaj   +2 more sources

Comparative Analysis of VPN Protocols at Layer 2 Focusing on Voice Over Internet Protocol

open access: yesIEEE Access, 2023
Voice over Internet Protocols (VoIP) is an IP-based communication technology or commonly known as Internet Protocols (IP). In which, IP is currently widely used for mobile communication activities.
Setiyo Budiyanto, Dadang Gunawan
doaj   +2 more sources

Voice over Internet Protocol (VoIP) Based IP PBX System Design

open access: diamond, 2016
: Voice over internet Protocol (VoIP) technologies are integral to trendy telecommunications attributable to their advanced options, flexibility, and economic advantages.
Sonali Golhar   +35 more
openalex   +2 more sources

Voice over IP over GPRS

open access: green, 2008
The Voice over IP (VoIP) technology has become prevalent today due to its lower cost than traditional telephony and its ability to support new value-added services. Additionally, the increasing availability of wireless internet access has led to research studies examining the combination of wireless network access with voice over IP.
Homayoun Derakhshanno
openaire   +2 more sources

Threshold-based generic scheme for encrypted and tunneled Voice Flows Detection over IP Networks

open access: hybridJournal of King Saud University: Computer and Information Sciences, 2015
VoIP usage is rapidly growing due to its cost effectiveness, dramatic functionality over the traditional telephone network and its compatibility with public switched telephone network (PSTN). In some countries, like Pakistan, the commercial usage of VoIP
M. Mazhar U. Rathore
doaj   +2 more sources

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