U.S. T-Mobile customers have the option for Wi-Fi Calling on their LG G2. Learn how to setup Wi-Fi Calling and choose your proffered network: Cellularor Wi-Fi, by doing as follows:
1. Open Settings and make sure you are on Networks tab
2. Go to Call settings
3. Tap Wi-Fi calling and open Connection Preferences.
4. Select your preferred connection: Wi-Fi preferred, Cellular Network Preferred, or Never use Cellular Network (if Wi-Fi network is not available, the call drops)
5. After this initial setup, you just need to make sure Wi-Fi Calling is enabled
** Note that you must first register your 911 address at T-Mobile website
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