WiFi Calling and SMS
Wi-Fi calling, or Voice over WiFi (VoWIFI), allows you to make and receive voice calls, SMS (text) messages, and MMS (video) messages with a compatible mobile phone over the wi-fi of an internet connection.
Download and save this guide for an overview of this incredibly useful service, and some advice on how to access and activate it from your phone’s settings. The guide also explains setting up VoIP and video conferencing.