Setup is easy, you just plug it in. It works great with our Panasonic cordless phones. I tried entering a code to block all VOIP calls but I'm not sure if that worked or not. The indicator that was supposed to light up didn't come on, but the device said I was SUCCESS. We still get a few unwanted calls though. The problem with using feature #2 from a remote phone is that you have to answer the call to use it. This will let them know your number is active and they'll just call you back on a different number. It's better to just use the 'Block Now' button. If you are not near the CPR when a call comes in, you can have it routed to the VM and then use the Call History button to find the number and block it with Block Now. All buttons on my device work and the number of unwanted calls is much lower - unfortunately not zero.
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