With tCallBlocking for Android you can make the unknown calls can be hung up automatically. Recommend for people don't want to be disturbed from no need calls. Sometimes the phone ringtone and vibration happen for a moment, because calls are hung up after incoming call arrived. You can hang up calls from phone number that doesn't exist in contacts and take a call before hang up.
Price USD 200
License Purchase
Version 1.5
Operating System Android
System Requirements None