Using imac with phone over bluetooth

[big duck]

I'd like some way of using my mac as a bluetooth headset, well sort of.
I want to be able to use my mac's speaker and microphone as one, like the things people use in cars.

It should be possible, any ideas?

 

[BigHungry04]

I believe Growl will allow you to do that.

 

[gusious]

I believe Growl will allow you to do that.

huh? Never heard of that.....