While we wait for iOS 5 to deliver cool new features, here's a look at Voice Control, a feature introduced with the iPhone 3GS model. There are three types of Voice Control commands: phone, music and other. Here's how to use each.
Launching Voice Control
Of course, you can't use Voice Control until you get it running. You can either hold the Home Button down for about two seconds, or do the same with the middle button on your supplied Apple earbuds. You'll hear a beep and the iPhone's screen