This prevents the user from making certain types of calls. Common variations include:

Prevents the device from making any calls, effectively locking the line for outbound communication.

The benefits of call barring include:

Call Barring isn't for everyday use. It is for the edge cases—the travel nightmare, the stolen phone panic, the absolute need for zero interruptions.

(Code: **332* ) The traveler's compromise. You can call back to your home country (Mom, the bank), but you cannot call a random number in Thailand.