Use bluetooth cell phone as headset

I have a Sony-ericsson T637 with bluetooth. Is it possible to use it as
a headset for Voip software running on my bluetooth enabled PC such as
skype or Google Talk ? The headset is listed in services on the phone
but using Widcom drivers when i try to use this service it says not
available. I can get normal phone calls to redirect through my PC
speakers but not the other way.

Any ideas ?

Thanks.


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