If you've had a cellphone for a long time, you've probably heard of Wi-Fi calling. Wi-Fi calling is a great feature that helps you make quality phone calls even when your cell reception is weak.

any other calling apps you have installed like WhatsApp, Skype and similar will also work while connected to Wi-Fi. Wi-Fi calling can be turned on from within the iPhone's Settings app ...

Making phone calls over a Wi-Fi network. Both the phones and carrier infrastructure must support Wi-Fi calling, prioritizing voice over data in the real-time environment of voice. With a single ...