Google Voice now open to the public in the US, no invitation required

Google has opened up Google Voice to the public, no invitation required. Though they've opened up sign-ups, Google Voice is still limited to everyone in the U.S. for now.

Google Voice gives you more control over your phone calls. As you may already know, Google Voice has great features such as one number to ring all your phones, voicemail that works like email, free calls and text messages to the U.S. and Canada, low-priced international calls and more.