Play Windows Media radio station from South America on HTC Windows Mobile smartphone

Hi I'm reading on internet for weeks trying to found a solution to be able to play a radio station from south america on my mobile device but it has been impossible

I really appreciate if anybody can help me please to found the solution to this problem

The address That I need to play on my mobile device is MMS://66.240.231.134/mix or RTSP://66.240.231.134/mix it plays perfect on my desktop computer but is not possible to play it on my HTC Touch (Sprint) I can play another radio stations without any problem but not this one

Thank you very much