1. To turn Wi-Fi calling on, from the home screen tap the Phone icon.
   Note: Wi-Fi calling is turned off by default. To use Wi-Fi Calling you'll need a Wi-Fi Internet connection and a postpaid AT&T wireless account provisioned with HD Voice.
   
2. Tap the Menu icon.
   
3. Tap Settings.
   
4. Tap Call.
   
5. Scroll to and tap Wi-Fi Calling.
   
6. Tap Get started.
   
7. Tap Continue.
   
8. Review the terms and conditions, then scroll to and tap Continue.
   
9. Read the on-screen prompts, enter your Emergency 911 Address, then tap Verify address.
   
10. Verify the emergency address, then tap Use this address.
    Note: If the address is not correct, tap Enter a different address to re-enter the address.
    
11. Tap OK.
    
12. 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.
    
13. Tap DONE.
    
14. Making a call is the same whether on celluar or Wi-Fi. From the home screen, tap the Phone icon, dial the desired number, and then tap the Call icon. You can tell that a call will go over Wi-Fi when you see a Wi-Fi icon within the Call icon.
    Note: To learn more see About Wi-Fi calling or visit www.att.com/wificalling.
    
15. To quickly turn Wi-Fi Calling on or off, swipe down from the notification bar to access quick settings and tap Wi-Fi Calling.