Since 1991, Applied Media Technologies Corporation has been an innovator at utilizing technology in marketing applications. AMTC is one of the largest providers of telephone on-hold messaging solutions. AMTC introduced the first compact disc and removable memory card message on hold systems, as well as the first Web content distribution system for on-hold messages. AMTC's TelAdvantage is the world's most recognized brand of telephone on-hold messaging products and services. AMTC has leveraged its "on hold" messaging experience to become a leading provider of retail in-store messaging as well. In 2003 AMTC entered the business background music arena by partnering with Sirius Satellite Radio. Through this relationship AMTC has become a significant player in the industry. AMTC also manufactures a full line of sound equipment, including amplifiers, speakers, microphones, and volume controls.