AT&T NumberSync

Use one smartphone number across multiple devices to send and receive texts, make and receive calls, and more.


In this tutorial, you will learn how to:

• Set up AT&T NumberSync
• Make and receive incoming calls


AT&T NumberSyncSM allows you to sync your iPhone mobile number with secondary device(s) such as an iPad, allowing you to make and receive calls from those devices using your iPhone mobile number even when your iPhone isn’t nearby or powered on.

Note: Make sure your iPhone and iPad are connected to Wi-Fi, are logged into iCloud and FaceTime with the same Apple ID, and the FaceTime Caller ID on the secondary device is set to your iPad phone number. To learn more, view About NumberSync.


Set up AT&T NumberSync

1. From your iPhone home screen, select the settings app Settings app > scroll to and select Phone > select Wi-Fi Calling > select the off switch Wi-Fi Calling on This iPhone switch to place it in the On position, then select Enable

Note: If needed, follow the prompts to set up Wi-Fi calling. To learn more, view About Wi-Fi calling or visit

Image 1

2. Review the address listed. If the address is correct, select Verify address. If the address is incorrect, edit the address as needed then select Verify address.

Note: To update your address, from the Wi-Fi Calling screen, select Update Emergency Address.

Image 2

3. From the Phone screen, select Calls on Other Devices then select the off switch Allow Calls on Other Devices switch.

Note: From the Calls on Other Devices screen, select the switch switch next to the device(s) you wish to NumberSync. When prompted, select Yes on the device you wish to connect.

Image 3

Make and receive incoming calls

1. Incoming calls will now ring on your iPad and secondary device(s) at the same time.

Note: To turn NumberSync off, from your iPad select the settings app Settings app > scroll to and select Facetime > select the on switch Calls from iPhone switch. From your iPhone device select the settings app Settings app > scroll to and select Phone > select Calls on Other Devices on switch Allow Calls on Other Devices switch.

Image 4

2. To make calls from your iPad, iPod touch, or Mac, open the facetime app FaceTime app, then select New FaceTime.

Image 5

3. Enter or select the desired contact or phone number, then select the Voice only icon or FaceTime.

Image 6

Did you get the help you needed?

Great! We're so glad we could help.


We're sorry that didn't solve your issue.


Thanks for your feedback!