I've had my Z120BT in my 06 Toyota Tacoma Pre for about a year now. It was professionally installed and believe me the shop I used is top notch. The mic was installed (wired) thru my headliner and is clipped near the left side of my rear view mirror. I use an IPHONE 3gs and the Bluetooth phone calls are problematic for the people on the other end of the call, "very LOUD backround noise" or "you sound like you are calling from inside a garbage truck trash tank" I have done the update to 2.03 which Pioneer sent me on a SD Disk. No luck. My assessment is Pioneer is too cheap to buy the lic