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Hacking Exposed Unified Communications & VoIP Security Secrets & Solutions, 2nd Edition by David Endler, Mark Collier

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CHAPTER 8VOICE SPAM

I am to the point where I am going to shut off all my phones. My home phone constantly rings with SPAM and scams. I disconnected it. I am getting the same calls on my smartphone. Worst of all, my office phone is ringing all the time. I can’t turn off my smartphone and office phone. What can I do about this?

—User reaction to voice SPAM

Anyone using email on any sort of device, whether it is a PC, Mac, or smartphone, is familiar with email SPAM. Anyone with an email address is familiar with the constant flood of irritating messages, trying to sell you mortgages, loans, sexual enhancement products, replica watches, gambling opportunities, and so on. Even with blocking traffic from known spammers and using modern SPAM filters, ...

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