I recently changed my phone service and none of my blocked calls are being stopped; What happened?

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• Single Ring Issue On Blocked Calls

  Problem with a single ring If you are having a single ring issue with blocked calls, the CPR Call Blocker uses the ‘first ring’ to get the Caller ID signal and then checks this against the block list to see if the number has been blocked – it is ...

• Blocking all calls or dropping after 1 or 2 rings

  Problem The call blocker is blocking all incoming calls or they are dropping off after one or 2 rings Reasons for this There is two possible causes of this: Caller ID is not active or not transmitting through to the call blocker There is too much ...

• Does the call blocker block incoming calls made from VOIP or cell phones?

  Yes. The Call Blocker can block any number originating from anywhere. Some phone companies don't block calls from cell phones, but the Call Blocker does.

• What does the blocked caller hear when they are blocked?

  The blocked caller only hears one ring tone in their phone handset and then silence. After about 10 seconds, they will get a dial tone or busy signal depending on the service.

• Will the call blocker work with VOIP services like: Vonage, Ooma or Magic Jack as my phone service provider?

  Yes! Vonage, Ooma and Magic Jack are internet based phone services that use an Ethernet Analog Telephone Adapter (ATA) which provides you with a Phone port. Your phone is connected there now but you will simply disconnect your phone and connect the ...