Which or network provider services your account?
Stops dialing high-cost entertainment numbers. Incoming Call Barring All Incoming: Rejects every single inbound phone call. meaning of call barring
Settings → Phone → Call Barring (if supported by carrier; not all carriers enable it on iPhone) Which or network provider services your account
The main purpose of call barring is to help users control their phone usage and expenses, particularly in cases where they may be vulnerable to scams or unwanted calls. For example, a user may choose to bar calls to international numbers to avoid high charges. meaning of call barring