Results 11 to 20 of about 208,466 (300)

Technical efficacy and local recurrence after stereotactic radiofrequency ablation of 2653 liver tumors: a 15-year single-center experience with evaluation of prognostic factors

open access: yesInternational Journal of Hyperthermia, 2022
Purpose To assess the technical outcome and local tumor control of multi-probe stereotactic radiofrequency ablation (SRFA) in a large series of patients.
Peter Schullian   +8 more
doaj   +1 more source

Securing Session Initiation Protocol

open access: yesSensors, 2022
The session initiation protocol (SIP) is widely used for multimedia communication as a signaling protocol for managing, establishing, maintaining, and terminating multimedia sessions among participants.
Osama Younes, Umar Albalawi
doaj   +1 more source

SecSip: A Stateful Firewall for SIP-based Networks [PDF]

open access: yes, 2009
SIP-based networks are becoming the de-facto standard for voice, video and instant messaging services. Being exposed to many threats while playing an major role in the operation of essential services, the need for dedicated security management approaches
Festor, Olivier, Lahmadi, Abdelkader
core   +5 more sources

Evaluation of the firewall influence on the session initiation by the SIP multimedia protocol

open access: yesDiscrete and Continuous Models and Applied Computational Science, 2021
Firewalls is one of the major components to provide network security. By using firewalls, you can solve such problems as preventing unauthorized access, and deleting, modifying and/or distributing information under protection.
Anatoly Y. Botvinko   +1 more
doaj   +1 more source

Stable isotope probing: Technical considerations when resolving ¹⁵N-labeled RNA in gradients [PDF]

open access: yes, 2010
RNA based stable isotope probing (SIP) facilitates the detection and identification of active members of microbial populations that are involved in the assimilation of an isotopically labeled compound.
Addison, Sarah Louise   +2 more
core   +2 more sources

Telephony Denial of Service Defense at Data Plane (TDoSD@DP) [PDF]

open access: yes, 2018
The Session Initiation Protocol (SIP) is an application-layer control protocol used to establish and terminate calls that are deployed globally. A flood of SIP INVITE packets sent by an attacker causes a Telephony Denial of Service (TDoS) incident ...
Febro, Aldo   +2 more
core   +2 more sources

SIP protocol model for OMNET++

open access: yesAdvances in Electrical and Electronic Engineering, 2016
The article describes our new SIP protocol implementation for the OMNeT++ simulation framework. OMNeT++ simulation framework provides an extensive support of IP related protocols, nevertheless a working SIP protocol implementation is missing.
Jan Kucerak, Petr Chlumsky
doaj   +1 more source

Thermal ablation of CT ‘invisible’ liver tumors using MRI fusion: a case control study

open access: yesInternational Journal of Hyperthermia, 2020
Purpose To evaluate whether ‘invisible’ liver tumors on CT can be treated by stereotactic radiofrequency ablation (SRFA) using fusion of pre-ablation MRI.
Peter Schullian   +7 more
doaj   +1 more source

Providing End-to-End Connectivity to SIP User Agents Behind NATs [PDF]

open access: yes, 2008
The widespread diffusion of private networks in SOHO scenarios is fostering an increased deployment of Network Address Translators (NATs). The presence of NATs seriously limits end-to-end connectivity and prevents protocols like the Session Initiation ...
Baldi, Mario   +3 more
core   +1 more source

One Final Sip [PDF]

open access: yesJournal of General Internal Medicine, 2011
The patient was in his 70s but appeared much older. Speaking in broken sentences, he nervously stated that he could not breathe. With each exhalation there were discomforting squeaks and whistles; with each intake of breath his nostrils widened, the muscles on his neck contracted, and his belly moved down towards his torso, making shallow craters in ...
openaire   +2 more sources

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