Thanks for clarifying and taking the time to look into this. It looks like Audi themselves do not know how their new models are configured. I doubt very much that the German market would differ from the UK market and so I would say you are right and Audi UK are giving me incorrect information. Such a shame this as had I known I might have specced the car differently as it would have saved me more money in the long run using rSAP instead of having to get an additional SIM for the vehicle.
What I will do - just to satisfy my curiosity is make a visit to my dealer and find out once and for all providing they have a car with phonebox for me to test with.
Thank you again - I really appreciate this information (even if it isn't what I want to hear