In fake call you can simulate an incoming call prank.

How to use fake call - prank:
Tap call now to activate fake call prank.
Tap schedule to set a timer for fake call prank.

Fake call prank features:
Set caller name.
Set caller number.
Choose caller picture.
Choose a character
Set a ringtone or use the default ringtone.
Set a voice for caller.
Record a voice for caller.

Disclaimer: fake call game does not have a real incoming call feature - it just a simulated incoming call.