Adding radio to Naim App

[Flyersteve67]

Some progress and maybe the issue is my understanding of the URLs?
My Naim NDS is finding the minimserver (the app isn't) and If I access this on the NDS itself I get the playlist then the BBC Radio file. However, clicking on one of the entries (eg Radio 4 FM) I get Can't open stream. I know the URL is correct in the Music/BBC Radio file on the sever as I have pasted it into VLC and the stream plays fine.

Any suggestions where to go next?