I'm not receiving the calls from some/all of my callers.

There are a number of reasons why you may not be receiving a call:-

Your telephone company may not be passing Caller ID on to you - Caller ID is available on most networks free of charge while some may charge a small monthly fee. Call Blocker gives you maximum control over the calls you receive if you have Caller ID service so we recommend that you ask your network provider to switch it on otherwise the Call Blocker will block ALL of your calls.
The Caller ID function is intermittent - The Caller ID may not be displaying the number on your Caller ID display correctly. We recommend that you unplug anything that is plugged into your telephone socket (ADSL/DSL Micro-filters, SKY TV boxes, Alarm Systems, etc) and run the phone cable directly into the socket to test the Caller ID. If this resolves the problem, we urge you to replace your filters or purchase top quality ones (NETGEAR, D-LINK, BELKIN & ADSL NATION XF1E) and use these.

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