What is Wi-Fi Calling or Voice over Wi-Fi?

Situation: You want to know what is Wi-Fi Calling or VoWiFi.

Applicable to: All OPPO Smartphones with Wi-Fi Calling feature.

* This feature may not be available in your device or for your network carrier. Contact your carrier for support.

Wi-Fi Calling or Voice over Wi-Fi (VoWiFi) is a voice calling service that let you make and receive calls over Wi-Fi connection.

The benefits of Wi-Fi Calling are:

• Clearer calls and high definition voice quality with HD Calling on a compatible device.

• No additional charge with your existing voice plan and HD voice-compatible device.

• You make and receive calls with Wi-Fi using your phone number.

• You will still be able to make calls when the phone service unavailable or you're having poor signal issues, like dropped calls.

• No apps are required to download for this feature.

Related article:

• How to Enable Wi-Fi Calling on OPPO Phone?