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Connection options
Wi-Fi Calling allows you to choose between 
these connection options:
  Wi-Fi Preferred: All calls are 
made over an available Wi-Fi 
network. If there are no available 
Wi-Fi networks, then calls are 
made over the cellular network. 
  Wi-Fi Only: All calls are made 
over an available Wi-Fi network. 
If there are no available Wi-Fi 
networks, calls will not connect.
  Cellular Preferred: All calls are   
made over the cellular network. 
If the cellular network is not 
available, then calls are made 
over an available Wi-Fi network.
Turn Wi-Fi Calling on or off
1.  Make sure Wi-Fi is on and that you 
are connected to a Wi-Fi network.
2.  From the Home screen, tap 
the Applications   icon.
3. Tap Wi-Fi Calling.
4. Tap View Tutorial, if desired. 
If not, tap the Back key.