Wi-Fi Calling, commonly known as Voice over Wi-Fi or VoWiFi, is a feature that comes standard on most modern smartphones. Wi-Fi Calling allows you to make and receive voice, text, and video calls using a Wi-Fi network instead of a cellular network.
Yes, Yes, the Xiaomi Poco M4 5G enables Wi-Fi calling. Users may enable this option in their phone’s settings and use Wi-Fi to make calls.