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Wi-Fi Calling

Use your Wi-Fi connection to talk and text when cellular coverage is limited or unavailable.


Prenote info

To use Wi-Fi Calling you'll need a Wi-Fi Internet connection and a postpaid AT&T wireless account provisioned with HD Voice. Certain restrictions, requirements or limitations may apply. Visit About Wi-Fi Calling or att.com/wificalling for more details.

In this tutorial you will learn how to:


• Turn on Wi-Fi calling
• Use Wi-Fi calling
• Use Wi-Fi calling with Dual SIM


Turn on Wi-Fi calling

1. From the home screen, select the settings app Settings app.

Note: Wi-Fi calling is turned off by default.

2. Select Cellular, then select Wi-Fi Calling. Select the off switch Wi-Fi Calling on This iPhone switch

Note: Alternately, from the settings screen, scroll to and select Phone > select Wi-Fi calling > off switch Wi-Fi Calling on This iPhone switch.

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3. Select Enable.

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4. Review the Important Information prompt, then scroll to and select Continue. Enter your Emergency 911 Address, then select Verify address.

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5. Select Update Emergency Address to change your address.

Note: To turn off Wi-Fi Calling, from the Wi-Fi Calling screen, select the on switch Wi-Fi Calling on This iPhone switch.

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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 Wi-Fi after AT&T in the Lock screen and Control Center status bar to indicate that calls will be carried over Wi-Fi.

Note: Swipe down from the upper left corner of the screen to access the Control Center.

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Making a call is the same whether on cellular or Wi-Fi. From the home screen, select the phone app Phone app. Dial the desired number, then select the Call icon.  

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Use Wi-Fi calling with Dual SIM

With Dual SIM enabled, from the Cellular screen select the desired line > Wi-Fi Calling > ensure the switch Wi-Fi Calling on This Phone switch is in the On position. 

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From the phone screen, select the current line, then select the desired option.  

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