NEVER worked as advertised! The ONLY thing it did ...

NEVER worked as advertised ! The ONLY thing it did do, it would block a call if you could get to it in time by pushing the big RED button ! Tried the different hook ups, but nothing worked as it was suppose to. One reason I purchased this, was it was suppose to block a call using a cordless phone system, by pressing #2 during a call. I have pressed these buttons so many times but nothing ever happens !! It was also suppose to be able to add your own numbers to block. However, every time I tried, I would always get a recorded message from my phone company telling me I was doing some thing wrong and would then hang up on me. It has now become a large paper weight in my office - - - -

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