iPhone 15 Pro
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Voice over WiFi (VoWiFi) allows users to receive and make calls over a WiFi network with a U Mobile mobile line when the mobile signal is limited or absent. It is a simple direct dial, as long as the users has a compatible phone and enabled VoWiFi on their phone.
VoLTE relies on a 4G LTE network. It offers superior voice quality (high-definition (HD) voice calls) where users can still enjoy high-speed mobile data connectivity while simultaneously on a call.
Go to Settings > Mobile Network > Mobile Data> Wifi Calling > Enable WiFi Calling/VoWiFi
Go to Settings > Mobile Data> Data plans > Wifi Calling > Enable WiFi Calling
Yes, you can still perform this even when VoWiFi is disabled. However, some activities will still rely on other network service signals such as mobile networks or VoLTE services.
No it won’t. VoWiFi calls will not utilize any data quota that has been allocated to your mobile plan. However, it will utilize the data quota from the WiFi data allocation.
There is no additional charge to use VoWiFi.
Yes, you are able to make a video call with VoWiFi if your device supports video calls.
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