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AT&T unveils NumberSync, a network-level feature for sharing your phone number with connected devices

Apple has been building Continuity features into its software that let you make phone calls and send messages from iPads, Macs, and Apple Watches through your iPhone for a while now, and today AT&T is announcing a new network-level advancement called NumberSync capable of doing that for all connected devices.

With NumberSync, AT&T customers will soon be able to use what’s called mobile twinning to share a single phone number with multiple SIM cards in smartphones, smartwatches, tablets, and other connected devices. The goal is to let you send and receive phone calls or messages from all your connected devices without relying on a specific app or operating system feature.
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