Originally Posted by saranyc

Question about WiFi calls overseas. Reading the past few pages it seems you get charged calling over wifi, is this correct? If you use Skype when connected to a hotel's wifi to call a non-us number you still pay per minute? I assume this also applied when calling using data when roaming? Are there any voip apps that get around these charges? Not sure how t-mobile knows that certain data is a phone call? Especially when you're connected to wifi.