Huawei P40 lite E - Use Vowifi to Make Calls

Use VoWiFi to Make Calls
The VoWiFi function enables you to make calls on a Wi-Fi network. You can even make
VoWiFi calls in Airplane mode.
1 This function requires support from your mobile carrier. Contact your carrier to activate
the VoWiFi function.
2 Go to Phone > > Settings > Wi-Fi Calling, then enable Wi-Fi Calling.
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