One number: Samsung Gear S2 smartwatch now works with AT&T's NumberSync

With NumberSync, people don't need to know your smartwatch's phone number and you don't need to mess with call forwarding: One number rules them all.

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AT&T customers with Samsung's latest LTE-capable smartwatch won't have to juggle two different phone numbers: The Samsung Gear S2 is among the first devices to use AT&T's new NumberSync service.

PhoneScoop reported the news on Tuesday and a quick check to AT&T's NumberSync page shows the Gear S2 as a supported device.

The carrier previously introduced NumberSync as a way to have contacts reach you using a single number even if you're carrying - or wearing - multiple connected devices. In some ways, it's functionally similar to Apple's Continuity feature that allows phone calls to be routed and taken from an iPhone to an iPad or Mac OS X computer.

The difference here is that Samsung Gear S2 does have its own SIM card and phone number. But people don't want to manage multiple contact numbers: Google Voice is a perfect example of that - one number that can be programmed to ring multiple phones.

If someone calls you on your AT&T registered phone number then, the call can be automatically routed to the Gear S2 smartwatch with your contact being none the wiser, nor even having the phone number for the watch. AT&T says it has plans to expand NumberSync beyond phones and wearables though: Expect to see the service added to connected vehicles in the future as well.

AT&T is selling the Gear S2 for $99 with a two-year contract while voice and data services will add another $10 monthly fee through an existing Mobile Share Value plan.

ZDNet's Matthew Miller recently bought his own Samsung Gear S2 from T-Mobile, paying $360 without a contract and with a $5 monthly service fee, which provides 500 MB of monthly data, unlimited calls and texts.

Overall, he likes the Tizen operating system on the Gear 2 that works with any modern Android phone. I'll be curious to hear how well the voice calling features work for him since his watch has a unique phone number of its own and any voice calls to his handset require a call forwarding setting for those who don't have his watch's phone number.