http://www.building-products-services.com/Hospitality_Products_and_Services/Audio_Video/building-products-services.com http://www.amtc.comFounded in 1991 in Tampa, Florida as a provider of 'on hold' messaging to US and Canadian businesses under the brand name TelAdvantage. In 2003, AMTC entered into a partnership with SIRIUS Satellite Radio to become the exclusive provider of Sirius' commerMon, 17 Sep 2007 21:14:40 GMT