HomePage › Forums › Troubleshooting CPR Call Blocker › Do I need Caller ID for the Call Blocker to work?
Tagged: caller ID
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Please note, no version of the CPR Call Blocker will work without an active subscription of Caller ID from your telephone provider.
The Call Blockers use the Caller ID to determine if a caller is a legitimate caller or if their number is already part of the pre-blocked list (either preloaded or manually added).
If you have any questions, please contact us.
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