Apr 28, 2016
What is WiFi Calling? | Xfinity Jan 31, 2019 Wi-Fi Calling from T-Mobile | T-Mobile Support Outgoing calls and messages that you make to U.S. phone numbers: No fees; If you have a plan without unlimited, calls and messages count against your plan limits. Calling to international (non-U.S.*) phone numbers. When you're in the U.S. Wi-Fi calls placed to other countries are subject to your plan's long distance charges. How to Make Calls and Texts From Your Smartphone Without Nov 20, 2017
However, making Wi-Fi or data calls is a feature that has yet to make it to the app. That's where Android apps like Talkatone, GrooVeIP, and Phone for Google Voice and GTalk come into play.
How To Use WiFi To Make Cellphone Calls - Help Desk Geek Oct 28, 2019 Make a call with Wi-Fi Calling - Apple Support
May 05, 2020
How to make WiFi calls for Android - YouTube