Same as above – use a different number.
You will see a list of blocked contacts. Tap the or minus (-) icon next to the number you wish to restore. Confirm by tapping Unblock . unblock blocked calls
Apple makes it easy to manage your "Blocked Contacts" list through the central settings menu: Same as above – use a different number
High – easily bypasses personal and app-based blocks. Fails if the user blocks all calls except those from contacts. unblock blocked calls