ASUS - ZenTalk

What's WiFi calling and how exactly does it work?Can I, for example, call another person over the office WiFi when we're both using the same WiFi network?

My Asus 6Z very often switches off suddenly while browsing etc. And then it takes quite a while to switch on. Even after pressing the power button for sometime and releasing it, most often than not, it does not come on. And when it does (sometimes wh...

Does Asus 6Z support the SNEP protocol?What about Android Beam? Didn't find it anywhere in settings. Is that an indication that it doesn't support Android Beam or am I missing something?

I want detailed technical specifications of NFC Chip of Asus 6Z and what types of NFC/RFID tags it supports. Any help would be greatly appreciated. Thanks