<p>BOSTON (AP) To many consumers, calls from telemarketers are unwanted intrusions. But for the industry, those calls are their lifeblood and many of them were predicting that a new national do-not-call list would have a devastating effect on business.</p>
<p>Keith A. Fotta, president and CEO of Norwood, Mass.-based Gryphon Networks, which developed a technology to help telemarketing companies avoid calling homes that have registered, said the Federal Trade Commission's new rules which impose penalties on companies that call people on the list could be ''absolutely devastating.''</p>