How to Block Calls on Orange Mobile
- 1). Press the main "Menu" key on your phone or the "Action" key, depending on the handset model you have.
- 2). Go to "Settings."
- 3). Scroll to "Phone" option, and press the selection button.
- 4). Scroll down to "Call Barring."
- 5). Select a call blocking option, such as "All Outgoing" or "All Incoming." Then select "Activate" and enter the password. The present password for call barring on Orange network is "1111."
Source...