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

  1. 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.
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  2. To set up NumberSync, from your iPhone home screen, select Settings > Phone > Wi-Fi Calling.  Slide the Wi-Fi Calling on This iPad slider to 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 www.att.com/wificalling.
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  3. Select Add Wi-Fi Calling For Other Devices. 
    Note: If you do not see the “Add Wi-Fi Calling For Other Devices”, select < Phone and turn on “Calls on Other Devices”. 
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  4. Select Continue.
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  5. Review the NumberSync Important information, and if you agree select Continue, then select OK.
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  6. A pop-up will display on your iPhone when Wi-Fi Calling is available for other devices on your iCloud account. Select OK.
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  7. On your iPad, a pop-up will display to enable Wi-Fi Calling. Select Turn On, then Enable.
    Note: It may take a few minutes before the pop-up is displayed. If you want to turn Wi-Fi calling on later, select Not Now.  To turn Wi-Fi calling on later, from an iPad or iPod Touch go to Settings > FaceTime > Calls from iPad > Upgrade to Wi-Fi Calling. On a Mac, open FaceTime, and select Settings > FaceTime > Calls from iPad > Upgrade to Wi-Fi Calling.
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  8. A pop-up appears on both devices with a 6-digit code. Enter the code on your iPhone, then select Allow.
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  9. Your iPad will display an emergency calling pop-up. Select OK to use the emergency address on file. Select Settings to update your emergency address.
    Note: It may take a few minutes before the pop-up is displayed. To update your emergency address later from your iPad select Settings > Phone > Wi-Fi calling > Update Emergency Address. You can also update your E911 address using myAT&T.
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  10. 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 Settings > Phone > Calls on Other Devices > then slide the ALLOW CALLS ON slider to OFF. From your secondary device select Settings > FaceTime > Calls from iPad, then slide the Calls from iPad slider to OFF.
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  11. To make calls from your iPad, iPod touch, or MAC, open FaceTime, enter a number, select the Phone icon, then select the phone number to place the call.
    Note: To make a call from your Apple Watch, open the Phone app > Select a contact, a number from your call log, or use Siri, then select the Phone icon.
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