(MOH) is the business practice of playing recorded music to fill the silence that would be heard by telephone callers who have been placed on hold. It is especially common in situations involving customer service. Music on hold is sometimes referred to as phone on hold, message on hold, on hold messaging, hold music, etc. While On Hold Advertising connects your company with a captive audience, through entertaining and informative content relevant to your customers' needs. Why give your callers the silent treatment, when you can showcase your products and services through one of the most powerful mediums, your phone system.