Hi Johan,
> AFAIK the plan is still to have only one interface towards PulseAudio as
> far as Bluetooth audio is concerned, and that's the Media interface in
> BlueZ. So oFono shouldn't need any SCO support as such.

Thanks for feedback,

My understanding was that profiles had to be prototyped using btio, then 
moving to use bluez over dbus similar to hfp handsfree implementation. I 
have no real idea when this transition could occur...

Frédéric