Do I need caller ID for this product to work?

Do I need caller ID for this product to work?

Yes. Caller ID is vital for the CPR Call Blocker to function correctly. 

This feature must be enabled on your telephone line from your provider for the product to work effectively. 

Caller ID is usually available for free while other providers may charge a small monthly fee. 

Ring your telephone provider to enquire and get it activated.
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