T-Mobile will start testing UMA calling on Android devices starting this summer, BGR reported on Thursday. The first-of-its-kind functionality for Android devices will use T-Mobile's HotSpot@Home service to hand off calls to Wi-Fi/VoIP networks to save on airtime minutes and, where it's needed, increase reception....
Source : http://www.electronista.com/articles/10/05/13/t.mo...
Source : http://www.electronista.com/articles/10/05/13/t.mo...