How about call number display? I do not have call number display then how do I block the calls?

Block Calls:

1. Tap “Apps” on the home screen
2. Go to “Settings”
3. Tap “Call” > “Call reject”
4. Tap “Reject calls from” and tap “+”
5. Perform one of the following:
   
   • To block a contact: select the desired contact and tap “Done”
   • To block a number from the call log: select the call log entry and tap “Done”
   • To block a new number: enter the phone number and tap “Save”

Unblock a Number:

1. Tap “Apps” on the home screen
2. Open “Settings”
3. Tap “Call” > “Call reject”
4. Tap “Reject calls from”
5. Tap the “trash can” icon and select the phone numbers you want to unblock
6. Tap “Delete” > “Yes”

Block Messages:

1. Open “Messaging”
2. Tap “Menu” > “Register spam number”
3. Optionally, check / clear “Delete all messages of the selected number”
4. Tap “Yes” or “No” to confirm

Unblock Messages:

1. Tap “Messaging” on the home screen
2. Tap “Menu” > “Spam manager”
3. Go to “Spam settings” and tap “Spam numbers”
4. Tap the “trash can” icon
5. Select the number you want to unblock
6. Tap “Delete” > “Yes” to confirm

Forward All Calls (Unconditional):

1. Open the apps drawer and access “Settings”
2. Tap “Call”
3. Scroll to “Incoming Call” and tap “Call forwarding”
4. Tap “Always forward”
5. Enter the phone number you want to forward calls to, or tap the “Contacts” icon to select a contact from the phonebook
6. Tap “Turn on”

Forward Calls (Conditional Forwarding):

1. Open the apps drawer
2. Launch “Settings”
3. Tap “Call”, scroll to “Incoming Call” and tap “Call forwarding”
4. Under “Forward If”, select to forward when “Busy”, “Unanswered” or “Unreachable”
5. Enter the phone number to forward calls to, or edit it if necessary (NOTE: You can also choose a contact from the phonebook)
6. Tap “Update”

Turn Off Call Forwarding:

1. Tap “Apps” on the home screen
2. Go to “Settings”
3. Tap “Call” and scroll to “Incoming Call”
4. Tap “Call forwarding” > “Always forward”
5. Tap “Turn off”