Prevents the device from making calls. This is often used to stop accidental dialing or unauthorized use.
Here is the interesting nuance: A "busy" signal means the person is on another call. A "barred" message means the call was stopped before it even reached the person's ear. call barred means
You hit dial. The anticipation builds. Then—silence. Or perhaps a cold, robotic voice intones: "The number you are calling is barred." Prevents the device from making calls
