Use your Wi-Fi connection to talk and text when cellular coverage is limited or unavailable.
INSTRUCTIONS & INFO
Wi-Fi Calling is turned on as part of the activation process. 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.
TURN ON/OFF WI-FI CALLING: Swipe down from the Notification bar, then select the Wi-Fi Calling icon.
First-time users will be prompted to review the terms and conditions on using Wi-Fi calling. Select Continue.
Read the on-screen prompts and enter your Emergency 911 Address, then select Verify address.
Verify the address, then select Use this address. Note: If the address is not correct, select Enter a different address to re-enter the address.
When setup is complete, select OK.
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 status bar to indicate that calls will be carried over Wi-Fi.
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.