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NumberSync for Apple devices

Learn how to sync your iPhone's AT&T mobile number with other Apple devices to make or receive phone calls.


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About NumberSync for Apple devices

NumberSync for compatible Apple devices
Learn how NumberSyncSM allows you to turn other Apple® devices into additional phones by sharing your iPhone® mobile number to make or receive calls.  

Note: Devices to be synched must be signed into the same iCloud® account with the same Apple ID. FaceTime® must be enabled on both the primary and secondary device, using the same Apple ID as the iCloud sign-in. FaceTime caller ID on the secondary device must be set to the same phone number as the primary device.

Solutions for NumberSync for compatible Apple devices
Select one of the solutions below to help you with NumberSync for compatible Apple devices.

SolutionsDescription
NumberSync for compatible Apple devices - Overview
NumberSync syncs your iPhone mobile number with other Apple devices. Make and receive phone calls from those devices, even if your iPhone is turned off.
Set up NumberSync for compatible Apple devices
Learn how to set up and sync up to five secondary devices to make and receive calls using your iPhone's mobile number.
NumberSync for Apple Watch (Cellular) Overview
Learn how NumberSync for Apple Watch (Cellular) lets you use your Apple Watch Series 3 or Apple Watch Series 4 (GPS + Cellular) on the AT&T domestic cellular network.
Set up NumberSync for Apple Watch (Cellular)
Learn how to set up NumberSync on your Apple Watch Series 3 or Apple Watch Series 4 (GPS + Cellular) with your AT&T iPhone number, to talk, text, and use cellular data from your watch.
Use NumberSync to sync Apple Watch Series 3 or Apple Watch Series 4 to a different iPhone
Learn how to sync Apple Watch Series 3 or Apple Watch Series 4 (GPS + Cellular) to different AT&T iPhone number to talk, text, and use cellular data from your watch with NumberSync.

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Additional information

For more information on how to make or receive a call when your smartphone isn’t handy, visit NumberSync.
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