Results 21 to 30 of about 5,018 (225)
Designs, 2022 This article deals with quality of service (QoS) in internet protocol (IP) telephony by applying software-defined networking (SDN) tools. The authors develop a new design that deterministically classifies real-time protocol (RTP) streams based on data ...
Dalibor Zeman +3 more
doaj +1 more source
Past, present and future of IP telephony [PDF]
, 2008 “Copyright © [2008] IEEE. Reprinted from International Conference on Communication Theory, Reliability, and Quality of Service, 2008. CTRQ '08. ISBN:978-0-7695-3190-8. This material is posted here with permission of the IEEE. Internal or personal use of
Neves, P.A.C.S. +2 more
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METHODS FOR ENHANCING SECURITY IN IP TELEPHONY
Information and Telecommunication SciencesBackground. The widespread adoption of IP telephony in corporate and operator networks has led to an increased risk of cyber threats such as fraud, eavesdropping, service interruptions and unauthorised access.
Serhii Fedorov, Rina Novogrudskaya
doaj +1 more source
DeepVoCoder: A CNN model for compression and coding of narrow band speech [PDF]
, 2019 This paper proposes a convolutional neural network (CNN)-based encoder model to compress and code speech signal directly from raw input speech. Although the model can synthesize wideband speech by implicit bandwidth extension, narrowband is preferred for
Ilk, Hakki Gokhan +3 more
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Building Model for the University of Mosul Computer Network Using OPNET Simulator
Tikrit Journal of Engineering Sciences, 2011 This paper aims at establishing a model in OPNET (Optimized Network Engineering Tool) simulator for the University of Mosul computer network. The proposed network model was made up of two routers (Cisco 2600), core switch (Cisco6509), two servers, ip 32 ...
Modhar A. Hammoudi
doaj +1 more source
9-1-1 Calls for Voice-over-IP [PDF]
, 2003 This document enumerates some of the major opportunities and challenges for providing emergency call (9-1-1) services using IP technology. In particular, all VoIP devices are effectively mobile. The same IP telephony device works anywhere in the Internet,
Schulzrinne, Henning G.
core +2 more sources
Fraud in a digital society in the context of social change
Цифровая социология, 2023 The article analyzes the problems of fraud in the modern digital society in the context of social changes caused by both the COVID-19 pandemic and the current geopolitical situation.
A. Yu. Sergeyev, O. V. Shirokova
doaj +1 more source
Clinical, histological, and serological predictors of renal function loss in lupus nephritis.
Arthritis Care &Research, Accepted Article.Objective Kidney survival is the ultimate goal in lupus nephritis (LN) management, but long‐term predictors remain inadequately studied, requiring long‐term follow‐up. This study aimed to identify baseline and early longitudinal predictors of kidney survival in the Accelerating Medicines Partnership LN longitudinal cohort.
Shangzhu Zhang +21 more
wiley +1 more source
Covert Channels in SIP for VoIP signalling
, 2008 In this paper, we evaluate available steganographic techniques for SIP (Session Initiation Protocol) that can be used for creating covert channels during signaling phase of VoIP (Voice over IP) call.
B. Lampson +3 more
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Autism Research, EarlyView.ABSTRACT While the immediate benefits of labor epidural analgesia (LEA) are well established, recent studies have raised concerns about possible associations with autism spectrum disorder (ASD). Therefore, we examined the association between LEA and ASD in offspring.
Taniqua T. Ingol +7 more
wiley +1 more source