It will ask you to enter your original no. Open crazycall app or website (wasn’t it obvious)Ģ. Now lets get started on how to prank your friends.ġ. It allows you to change your caller ID and also change your voice to some extent. Bored from your life? so I present to you (drum rolls) the best prank calling software although a little costly for us Indians but we are ready to fool our friends at any cost so if you want to prank your friends read on.Ĭrazy call has a android and IOS applications and also has a very good website.