1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-768466fe-c6a5-437d-b78f-e6a8bc65ebce.png?width=208&height=450)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-6ff26e9d-6b5c-4ea9-931c-c0a7b5a684b9.png?width=208&height=450)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-531bb70f-f702-4f8f-8f64-e747f104f259.png?width=208&height=450)
2. Turn Wi-Fi calling on or off
Press the indicator next to "Wi-Fi Calling on This iPhone" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f553ad93-cea8-4f12-bed2-ea6935fa25e6.png?width=208&height=450)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-5990347f-4eaf-4975-af94-f020e42200c2.png?width=208&height=450)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-55b69121-5769-4776-a318-9c2fe4b1b173.png?width=208&height=450)