1. VIEW WI-FI CALLING STATUS: Swipe down from the Notification bar, then select the Settings icon. 
  2. Select the Network tab, then select Wi-Fi Calling. If the Wi-Fi Calling switch is OFF, select to to turn it ON.
  3. First-time uers will be prompted to enter and verify your Emergency 911 Address.
  4. When setup is complete, select OK.
  5. USE WI-FI CALLING: When your phone is connected to Wi-Fi, Wi-Fi Calling is on, and a cellular connection is unavailable or poor, you'll see the Wi-Fi Calling icon in the Notification bar to indicate that calls will be carried over Wi-Fi.
  6. Making a call is the same whether on cellular or Wi-Fi. From the home screen, select the Phone app > dial the desired number > select the Call icon.