https://fixyourandroid.com/fix/restricted-phone-call/
An incoming call with no caller identification or phone number on your phone is considered a restricted call. The incoming call is neither listed on the caller ID apps nor the number reflected even after receiving the call. Statements that display when there is no number format on the screen are ‘Blocked,’ ‘Unknown,’ and ‘No Caller ID.
Copyright 2019 © P-tweets Refunds