There are several things to consider when dealing with call quality over WiFi. The main thing is the stability and quality of the WiFi network you're connecting to. 99% of the time you won’t have any control over public hotspots, however, you do have some control over your home WiFi.
There are several things to consider when dealing with call quality over WiFi. The main thing is the stability and quality of the WiFi network you're connecting to. 99% of the time you won’t have any control over public hotspots, however, you do have some control over your home WiFi. How to Enable WiFi Calling on Samsung Galaxy S9 And S9 Mar 21, 2020 WiFi Calling | Make calls wherever there's WiFi | EE WiFi Calling: EE pay monthly customers with compatible phone only (check your phone's compatibility.) WiFi connection required. EE accepts no responsibility for the quality, availability or coverage of WiFi networks and calls made or received over them. All calls or texts charged as per your EE price plan, see ee.co.uk/priceguides. What is WiFi Calling & How to Get it on Your Phone May 11, 2020
Force wifi calling when on home wifi network? | MacRumors
Sep 18, 2016 3 Android apps for Wi-Fi calling with Google Voice - CNET To make a call, tap on the Phone icon along the top of the app and dial a number. GrooVeIP Lite offers excellent audio-adjustment settings to make up for its lack of free 3G/4G without upgrading
WhatsApp FAQ - How to make a voice call
How to Get Started Calling and Texting Over WiFi | Hushed Jun 11, 2019