I tried to reach the warranty desk…
I tried to reach the warranty desk using the "408 - xxx-xxxx" it was never answered and was always a busy signal during multiple days at different times.
By David
Saturday, November 7, 2026 · Customer reviews of US businesses

The Fair Hearing score
Great
751 reviews
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Stop Annoying All Unwanted Robocalls, Political Calls, IRS Calls And Nuisance Calls To Your Home Phone At The Touch Of A Button With The World #1 CPR Call Blocker.
CPR Call Blocker USA (callblockerusa.com) has 751 customer reviews on The Fair Hearing, with an average rating of 4.1 out of 5.
751 approved reviews, newest moderated first
I tried to reach the warranty desk using the "408 - xxx-xxxx" it was never answered and was always a busy signal during multiple days at different times.
By David
Honest friendly & value
By Brent W.
This a very easy callblocker to set up and use. It will cut down calls from people that you have no interest in talking to.
By Sun D.
Not really blocking telemarketing calls.
By Robert
The V100k is a dream!! I just received it yesterday and already our home is So Peaceful!!!! Very easy to use!!!!!
By Lancaster 1.
It works and is easy to use/add numbers.
By Eddie U.
It really work's great!! I had no scam call's for 3 weeks I recommend it for everyone to use including the elderly easy to use instructions!!!
By Daryl H.
I like the idea of doing a return for update and the new blocker does seem to block a lot automagically!
By Customer J.