HARMONYS NOTIFY is a free app for your Smartphone that works with your Harmonys speakers (an IP bell system from BODET). HARMONYS NOTIFY drives that SIGMA Masterclock through WiFi network to launch messages and chimes wherever you are. WHY USE HARMONYS NOTIFY SIMPLE: Harmonys Notify behaves like the Harmonys Control Box. With just one click you broadcast the pre-defined message, chime or alert. CUSTOMISATION: Give explicit names to the buttons.