This Thing Works!
I bought the CPR Call Blocker because I thought it was the best option on the market for my needs. My phone would ring all day with spam calls, and I needed some relief. After installing it, the house is now so quiet, that my wife and I laugh about it, instead of crying about all the spam calls we were receiving. A few calls get through now and then, but nothing near the amount of calls we had been receiving. Thank you, CPR for coming to our rescue.