Wi-Fi calling, also known as VoWiFi, uses a Wi-Fi network to make phone calls that would otherwise be done through a carrier network
Wi-Fi Calling is a great feature to have on your smartphone because it allows you to have steady and HD calling quality
However, if you are facing issues with WiFi calling, here are a few tips to resolve them
Check if WiFi calling is enabled
Go to settings and search for WiFi calling option to check whether it is enabled or not
Restart router and phone
Try rebooting your phone and router if the Wi-Fi calling option is turned on but not operating properly
Check for new software updates
You should always check for new software updates if you have a system issue. If any are available, you should install them because they might solve the problem
Toggle airplane mode on and off
Enable flight mode to turn off all connections, including your carrier's network. Then, from the Quick Settings, enable Wi-Fi while in flight mode to place calls using Wi-Fi calling