what does the wifi calling button on my phone do, and why does it need to be on for me to make any calls?

Question

what does the wifi calling button on my phone do, and why does it need to be on for me to make any calls?

In: 7

Answer 1

Makes calls over an internet connection instead of a cellular network. It’s very useful when a party’s cellular connection is weak or unavailable. It’s particularly useful for international calls.