CALL BARRING:

Call Barring enables you to restrict certain types of call from your SIM card. Three Call Barring facilities are available: BAR ALL OUTGOING INTERNATIONAL CALLS: No ISD calls can be made through the mobile BAR ALL OUTGOING CALLS: No calls can be made through the mobile BAR ALL INCOMING CALLS: No incoming calls will be received by the mobile

BAR ALL OUTGOING INTERNATIONAL CALLS
Activate * 331 * Password # SEND
Cancel # 331 * Password # SEND
Status * # 331 # SEND

BAR ALL OUTGOING CALLS
Activate * 33 * Password # SEND
Cancel # 33 * Password # SEND
Status * # 33 # SEND

BAR ALL INCOMING CALLS
Activate * 35 * Password # SEND
Cancel # 35 * Password # SEND
Status * # 35 # SEND