Results 11 to 20 of about 281,121 (333)

Signalling in voice over IP Networks [PDF]

open access: yes, 2001
Voice signalling protocols have evolved, keeping with the prevalent move from circuit to packet switched networks. Standardization bodies have provided solutions for carrying voice traffic over packet networks while the main manufacturers are already ...
Larrabeiti López, David   +2 more
core   +8 more sources

Selected issues of IP telephony

open access: yesCommunications, 2004
Technologies for transporting voice over networks based on IP protocol, known under various names, e.g., Voice Over IP (VoIP), Voice on the Net (VoN), IP telephony (below IP telephony), made a great progress in the last decade.
Martin Klimo   +2 more
doaj   +1 more source

Analisis Data Digital Evidence pada Layanan Voice Over Internet Protocol (VoIP)

open access: yesJEPIN (Jurnal Edukasi dan Penelitian Informatika), 2016
Teknologi  VoIP  (Voice  Over  Internet  Protocol) merupakan  teknologi  yang  mampu  melewatkan  panggilan  suara, video  dan  data  dalam  jaringan  IP.
Muhamad Arsad Adam   +2 more
doaj   +1 more source

Detecting Steganography in Inactive Voice-Over-IP Frames Based on Statistic Characteristics of Fundamental Frequency

open access: yesIEEE Access, 2020
Steganography in inactive Voice-over-IP frames is a new technique of information hiding, which can achieve large steganographic capacity while maintaining excellent imperceptibility.
Hui Tian   +4 more
doaj   +1 more source

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

An Application of SVM to Lost Packets Reconstruction in Voice-Enabled Services [PDF]

open access: yes, 2002
Voice over IP (VoIP) is becoming very popular due to the huge range of services that can be implemented by integrating different media (voice, audio, data, etc.).
Díaz de María, Fernando   +4 more
core   +3 more sources

Practical cross-layer testing of HARQ-induced delay variation on IP/RTP QoS and VoLTE QoE

open access: yesEURASIP Journal on Wireless Communications and Networking, 2021
As the PHY/MAC-layer IR-HARQ and RLC-layer ARQ error recovery procedures, adopted in LTE, may impose additional delay when their code-block retransmissions occur, the arising question is whether these significantly contribute to IP and consequently RTP ...
Adriana Lipovac   +3 more
doaj   +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

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

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

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