Hi All,

I have a Galaxy S4 and a Alpine car stereo.

To enable music to come out through the stereo I brought a Logitech Bluetooth to audio "dongle" ala:

http://www.logitech.com/en-nz/product/bluetooth-audio-adapter 

This works perfectly for music, and when I got the unit it was a breeze to setup.

To my surprise it also routed phone calls out through the car speaker, and presumably my voice was picked up by the phones microphone. AWSOME!

But after a few days ONLY music would stream via the Bluetooth to the stereo.

When I went into Settings -> Bluetooth -> Logitech Adapter on the phone I saw that the profile is "Media Audio" - normally I would expect to see a "Call Audio" for phone calls.

Now if it wasn't for the fact that it did work initially I would have not thought it was possible to get phone calls through the Logitech Adapter, as on the face of it, it only supports "Media Audio" - but clearly phone calls are possible.

The million dollar question is how to make it work again?

I cant think of anything I might have done to stop it working in the first place.

Cheers

-Al