Celebrating more than 30 years as a leading publisher, Technology Marketing Corporation (TMC®) publishes Customer Inter@ction Solutions, and Internet Telephony® magazines, and the online publications,®, Planet PDA Magazine, Alternative Power™ and BiometriTech™. TMC® is also the first publisher to test new products in its own on-site laboratories, TMC® Labs. TMC® produces The VoIP Developer Conference and The Global Call Center Outsourcing Summit. TMC offers live and online certification programs through TMC University. publishes more than 25 online newsletters. Visit for details.