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Hacking VoIP: Protocols, Attacks, and Countermeasures
Voice over Internet Protocol (VoIP) networks have freed users from the tyranny of big telecom, allowing people to make phone calls over the Internet at very low or no cost. But while VoIP is easy and cheap, it's notoriously lacking in security. With minimal effort, hackers can eavesdrop on conversations, disrupt phone calls, change caller IDs, insert unwanted audio into ...more
Paperback, 220 pages
Published November 4th 2008 by No Starch Press
(first published March 21st 2008)
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