AT&T NumberSync

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

  1. With AT&T NumberSyncSM, once you sync devices to your smartphone number, you can make and receive voice or video calls from whatever device you choose. Video calls require an AT&T Video Call-capable smartphone. Your smartphone number will display on the call recipients caller ID. To set up NumberSync, select the Phone app from the home screen. 
    Note: Visit Learn how to use NumberSync for Android tablets for more information.
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  2. Select Ok.
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  3. Enter the desired User ID and Password, then select Continue.
    Note: A text message will be sent to the number linked with your User ID. Reply with the provided code word to complete the log in process. Visit Set up NumberSync for Android tablets for details.
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  4. Enter your desired Emergency 911 Address information, then select Verify Address.
    Note: Select the address to verify your address.
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  5. Select OK.
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  6. Select SAVE to continue.
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  7. Enter the desired device name, then select COMPLETE SETUP.
    Note: For information on how to make and receive calls from your tablet, see the Make & Receive a Call and Make & Receive an AT&T Video Call tutorials
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