Bluetooth connection to Concert fadio

[WhisperingAl]

Hi guys

I have just purchased and installed a Bluetooth adapter to my A4 B7 Concert radio. 
I can see the Bluetooth transmitting and can connect my iPhone to it. 
I cannot select it from the radio. I assume it emulates being a CD multi changer but if I select CD it just says no disc. 
Do you think that somewhere, maybe VCDS, I have to tell the car it has a multi changer?

Lost at the moment. 
Waiting for reply from supplier. 
 

Any help would be appreciated.