Modern VoIP phones are specialised computers that just happen to look like phones. So they can be attacked at many different points, ranging from the communication protocols to planting trojan horses in the devices’ operating software. It’s laptops and desktop PCs all over again. In their AusCERT lecture, Chris Gatford and Peter Wesley focus a lot on problems specifically associated with Cisco phones and the Cisco Call Manager software. But the underlying problems affect most […]
sip protocol
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