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VoIP capture application

  • 06-03-2006 5:18pm
    #1
    Rollo Tamasi
    Registered Users, Registered Users 2 Posts: 3,514 ✭✭✭


    hi guys just wondering if there is a program that is capable of evesdropping onto a voip converstion? i'm conducting an essay into VoIP security and i'm finding it difficult to find such a program. I'm focusing more so on Google Talk (which has major security flaws btw) and Skype. Any help is much appriciated. Thanks.


Comments

  • #2
    McCalvin
    Registered Users, Registered Users 2 Posts: 70 ✭✭McCalvin


    I seem to remember a company "DataEdge" talking about this before- look that up. But I'd imagine....

    It's IP- so you'll be looking at a standard packet sniffer then extracing the voice section and using some app that can understand which codec voice is in.... I think


  • #3
    bringitdown
    Registered Users, Registered Users 2 Posts: 2,002 ✭✭✭bringitdown


    Ethereal will work or if you are deft enough you could develop one using libpcap.

    Ethereal can capture the RTP packets to a file, you can filter all the other packets out and then you would need to reconstruct the voice streams using the captured RTP packets.


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