There is this service. I have no experience with it so I can't comment.   http://www.connectps.com/cisco-xml-services-for-ip-phone-streaming-radio.htm  

Hi Just want to put this out there. I had a similar issue with a 7821. It's good measure to double-check the MAC in CUCM, but also the cp model. I mistakenly did a super copy of a 7841 to this 7821 model phone. That would, not surprisingly, give you ...

Solution 3 described here worked for me.