States try to pull plug on 'robo-calls'

States are trying to disconnect computer-generated political calls that are flooding the nation's households at election time.
More than 5 million automated "robo-calls" have been made to potential voters in early primary states. The number of robo-calls could run into the hundreds of millions this election year as the political parties battle for control of the White House, Congress and state governments.

http://www.usatoday.com/news/politics/election2008/2008-01-17-robocall_N.htm?loc=interstitialskip