Below is a list of all voice commands currently published for the iPhone 3G S. If anyone finds any others which aren't on this list then do post them and I'll update this thread accordingly. Props to kenbrinkman for the below image.
To access the voice control feature hold down your home button or the middle button on your headset until the voice control feature comes up (about 2 seconds) or if you're not looking at your screen then hold it down until the BEEP BEEP comes!
Voice command lists: English | Japanese
COMMANDS NOT ON THE OFFICIAL APPLE LIST
INTERESTING FEATURES
To access the voice control feature hold down your home button or the middle button on your headset until the voice control feature comes up (about 2 seconds) or if you're not looking at your screen then hold it down until the BEEP BEEP comes!
Voice command lists: English | Japanese
COMMANDS NOT ON THE OFFICIAL APPLE LIST
- "Help" - The speech engine will tell you the features of voice control
INTERESTING FEATURES
- When dialing a name in your address book you can also say the nickname assigned to the contact, or an abbreviation. For example if Daniel is in your address book you can simply say Dan to dial that contact...