I will wait and watch. I have been using google voice to redirect calls to my T-mobile number and I think I will be able to do that on the iPhone 4S just fine. Also, I use the google voice app on my ipod touch and use it for sending and receiving texts from my google voice number.
There are different ways to access Google Voice depending on which mobile device you have.
|Access Choice||Android||BlackBerry||iPhone||Palm WebOS||Nokia S60||Windows||Others|
|Downloadable application||Get it from m.google.com/voice||Get it from m.google.com/voice||Get from iTunes|
|Web-based version on|