I am test driving a Cingular Treo 650 for another 25 days and after replacing my 1st handheld unit, I am getting some good results with the car BT setup. But I am using a V710, so good results to me might not be good to you.

I can pair the Treo and it is found by the car. I have the -552 module in my 2004 X. The car even recognizes the name of the phone - Treo 650. It grabs a few entries from the phonebook, like minutes used, dir assistance, etc... just the first 5 or so entries, none of which are useful to me.

I have made calls from the Treo itself and had the conversations over the handsfree system.

The BT got screwed up when my Treo went to check my email. I need to work on that.

I'll mess around with it more over the weekend and will post more info as I have it.

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-'13 E93 M3 Cab, Interlagos Blue, Carbon Black leather, DCT, all options, and fun, endless fun!
-'13 X5 35i M-Sport, Carbon Black & Cinnamon, Dinan Stage 2!
-'15 Toyota Sienna Limited Premium AWD, Silver & Grey, Nav & BluRay, and less lame than the 2011 it replaced
-'07 Mini Cab S, Laser Blue, 6sp, endless fun that ended (sold)
-'04 X5 4.4i, loaded, loved, modded and sold