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The setup process looks simple and reminds me of how you enable Wi-Fi Calling on an AT&T iPhone. You'll need to verify your address for emergency 911 services before using NumberSync.
After configuring the function, your iPhone doesn't even need to be on AT&T's cellular network for you to accept or place calls on a supported Mac or iPad.
its testing, 9to5 Mac put a phone in Airplane Mode without any disruption in phone service on the secondary devices.
While this might sound like Continuity in iOS 9, which routes incoming calls to OS X and iOS tablets, it's slightly different.
Continuity relies on your iPhone to notify other devices over Wi-Fi when a call comes in, allowing you to have a conversation on the closest device at hand.
With AT&T NumberSync, it's AT&T that's doing the call notification and routing; handy for when your iPhone is off, missing or without any battery life. |
