1. From the home screen, tap Phone.
   Note: The call blocking feature may not affect phone calls made or received via third-party apps installed on your device. Please contact third party app developers for assistance with such applications.
   
2. Press the Menu key.
   
3. Tap Call settings.
   
4. Tap Call reject.
   
5. To enable/disable call blocking, tap Call reject mode.
   
6. Tap the desired option.
   Note: For this demonstration, tap 'Reject calls on list'.
   
7. To view and edit the blocked calls list, tap Reject calls from.
   
8. To add a number, tap the Add icon.
   
9. Tap the desired option.
   Note: For this demonstration, tap 'New number'.
   
10. Enter the desired phone number.
    
11. Tap Save.
    
12. To delete a number from the blocked calls list, tap the Delete icon.
    
13. Tap to select the desired phone number(s).
    
14. Tap Delete.
    
15. Tap Yes.