Automotive Public Address System with sound effects and more
www.cogapa.com
Musical Doorbell for the home with built-in piano keboard to program songs
www.musicaldoorbell.com
iChime, the digital "Play Anything" Doorbell - record and play anything you want
www.ichime.com
Coga, CogaPA, and iChime are registered trademarks of Microsystems Development Tehnologies, Inc.