Wifi Calling, commonly referred to as VoIP, works by connecting to the internet over a wifi network, allowing you to use the device to make cell phone calls or send texts without needing to utilize a cellular network. Does Xiaomi 11 Lite 5G NE has this capability?
Xiaomi 11 Lite, 5G NE wifi, Calling Feature
Yes, this device supports VoLTE and wifi calling. As a result, it implies that you may use the device to make or receive cellular calls without a cellular network.