T-Mobile Says 5 Million Customers Use Wi-Fi Calling Service
T-Mobile announced in Barcelona during the final day of Mobile World Congress that close to 5 million of its 34 million customers use Wi-Fi calls. Of those 5 million, around 1.25 million of those are using the new Wi-Fi for Android calling application. Furthermore, close to 40 million calls per month are performed over … [read full article]