I tried getting Winamp and Remote Wave Player free and it still does not like the .wav from a simple voicemail file. Does anyone have tips on how I can play a voicemail without having to purchase anything? When I open the file it gives me a choice of the remote or winamp, either one I chose, I got a message at the bottom of the screen that keeps saying that type of file is not supported. I then tried downloading it to the SD card and trying it there, same results. And yes, the file is Voicemail.wav. Just confused as to why these aren't playing it?