http://www.snopes.com/inboxer/petition/iraqcall.htm

"[This] phone service was not set up specifically to record public opinion about the Iraq issue. It's simply the general White House Comments phone line, which callers can use to express their opinions about any issue on their minds."
"President Bush has put a resolution to authorize the use of military force against Iraq before Congress, so a more immediate and direct means of making your opinion count would probably be to phone, write, fax, or e-mail your representative and senators."