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Description
  • This paper presents a fast multi-stage method for on-line detection of RTP streams and codec identification of transmitted voice or video traffic. The method includes an RTP detector that filters packets based on specific values from UDP and RTP headers. When an RTP stream is successfully detected, codec identification is applied using codec feature sets. The paper shows advantages and limitations of the method and its comparison with other approaches. The method was implemented as a part of network forensics framework NetFox developed in project SEC6NET. Results show that the method can be successfully used for Lawful Interception as well as for network monitoring.
  • This paper presents a fast multi-stage method for on-line detection of RTP streams and codec identification of transmitted voice or video traffic. The method includes an RTP detector that filters packets based on specific values from UDP and RTP headers. When an RTP stream is successfully detected, codec identification is applied using codec feature sets. The paper shows advantages and limitations of the method and its comparison with other approaches. The method was implemented as a part of network forensics framework NetFox developed in project SEC6NET. Results show that the method can be successfully used for Lawful Interception as well as for network monitoring. (en)
Title
  • Fast RTP Detection and Codecs Classification in Internet Traffic
  • Fast RTP Detection and Codecs Classification in Internet Traffic (en)
skos:prefLabel
  • Fast RTP Detection and Codecs Classification in Internet Traffic
  • Fast RTP Detection and Codecs Classification in Internet Traffic (en)
skos:notation
  • RIV/00216305:26230/14:PU112001!RIV15-MV0-26230___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(VG20102015022), S
http://linked.open...iv/cisloPeriodika
  • 2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 16512
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26230/14:PU112001
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • network forensics, RTP detection, codec identification, VoIP (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [C3FFD81F6825]
http://linked.open...i/riv/nazevZdroje
  • The Journal of Digital Forensics, Security and Law
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 2014
http://linked.open...iv/tvurceVysledku
  • Matoušek, Petr
  • Ryšavý, Ondřej
  • Kmeť, Martin
issn
  • 1558-7215
number of pages
http://localhost/t...ganizacniJednotka
  • 26230
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