Call Barring Type

Bar all outgoing calls

Code: 33

Bar all incoming calls

Code: 35

Bar outgoing IDD calls

Code: 331

Bar outgoing IDD calls except to
Singapore when roaming

Code: 332

Bar all incoming calls when roaming

Code: 351

To Activate

Enter * <call barring code> * <Password> # 

To Cancel

1 Call: Enter # <call barring code> * <Password> # 

All Calls: Enter # <330> * <Password> #

To Verify

Enter * # <call barring code> # 

Change Password

Enter * *<03>*<330>*<Old password>*<New password>*<New password>#

Note: Default password is 1234.