A number will be blocked if it appears in the Blocked list in the app or is being blocked by one of the options on the Settings page. From the home screen of the app, you can also select View All Activity to show a history of calls or texts that have been blocked by Call Detector. The total count of blocked calls and texts can also be found on the View All Activity button located on the home screen.
How do I clear my Activity list?
What happened to the activity list? Can I get print out of the activity list?