Motorola Razr Address Book and Bluetooth

I see there was some discussion about this last year. Has anyone got
their Motorola RAZR to send or receive an SMS message from Address
Book?

It seems to pair OK in System Preferences, and works for iSync, but
when I attempt to turn on Bluetooth in Address Book, it brings up a
panel looking for a device, finds the RAZR OK, asks me to pair and
offers a box to insert a key number. When I do, the phone does not seem
to notice. Address book flashes up a couple of messages, the last of
which was that pairing was successful, yet the bobble on the toolbar
won't go blue and send SMS remains greyed out when I select a mobile
number.

What am I doing wrong?

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