Made with Goldwave 1.0 Math Synth.
They are working. Just pick up the Phone and send them thru the Microphone. The old Impulse Telefone will then call the number you played without that you have typed it in.
PS:
Its no Hack. Your Telefone Company will know the Number and charge you normaly.
https://soundcloud.com/linopc/unknown-agony-that-dont-bother