In the USA, the FTC will start cracking down on unsolicited outbound commercial robocalls(press-1 dialing) starting on September 1, 2009.
http://www.google.com/hostednews/ap/art ... gD9ABB64G0
http://blogs.usatoday.com/ondeadline/20 ... ssion.html
http://yro.slashdot.org/story/09/08/28/ ... -Next-Week