Samsung Galaxy NOTE EDGE User Manual page 86

Wi-Fi Calling
Your device is equipped with Wi-Fi Calling
functionality.
Note: Wi-Fi Calling is a service provided by your
mobile carrier. Please contact your mobile service
provider for details on cost and functionality.
To configure Wi-Fi Calling:
1. From a Home screen, tap
> More networks.
2. Tap the ON/OFF button next to Wi-Fi Calling to
either enable or disable this feature.
3. Tap Wi-Fi Calling > Connection Preferences
to select which call types you prefer (Wi-Fi or
cellular).
Settings
Apps > Settings
80 More Networks