Win10 Mobile build 10549 WIFI CALLING (how does it get enabled?)

[midnightfrolic]

I just got the 640XL unlocked from M$ store. Got T-Mobile service. How does one enable Wifi-Calling with Windows 10 Mobile build 10549? I've search for it in settings, but cannot find it. My Google-Fu needs improvement apparently.

Screw it and use Viber? Skype? I like not having to use 3rd party apps. I wanna avoid it if possible.

 

[AforAkshay]

I guess there is no such feature in this build. MS is planning to incorporate this feature in future.. But it isn't available now..

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