WiFi calling is a phone call, just like a regular phone call. As such, calls are made through a WiFi connection, it is called WiFi calling. With the help of WiFi calling, you can easily make phone calls without a SIM card.
With the help of WiFi calling, you can easily make phone calls with the help of WiFi-only without a SIM card on the Samsung Galaxy A23.
And just like a normal phone call, your name will be shown on another device when you call another number. To make WiFi calls, you do not need to download any third-party application on your mobile.