But it could take incoming calls via wifi. 3G would be required only if you needed ~100% connectivity. In a wifi-only Skype app on an iPhone that supported bac

But it could take incoming calls via wifi. 3G would be required only if you needed ~100% connectivity. In a wifi-only Skype app on an iPhone that supported background processes, it could auto connect to wifi networks whenever available and take incoming calls via Skype In... when there isn't wifi available it would be akin to the way your phone can't take calls when you have no service. Anyway, according to the PC World article, Skype for the G1 works over 3G... I suppose that'd be an ATT vs. T-Mobile issue, though.