Alister formulated on Monday :

>

>
> Having investigated further I found I was logged into one base station
> and using a phone connected
> to another base station - please feel free to go DUH
>
> If I change the settings on the /correct/ base station it works - and
> yes you were right, it had Audio and RFC2833
> both ticked.
>
> I will now get my coat...
>

We've all done that, I'm sure. I know I have.