How to enable and use Wi-Fi calling on your Android or iPhone to make calls without cellular service

You can use Wi-Fi calling on your Android or iPhone to make calls using Wi-Fi rather than your cellular network.
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The Five Best Video Call Apps to Replace Skype

Microsoft is officially shutting down Skype (RIP). Even if you haven't used the app in years, it's possible Skype was your introduction into modern video chats. The app made it easy to call friends ...