The Core Pocket Media Player (TCPMP)

Media playback on Windows (and other) PDAs - works with Shift voice mail WAV files.

The Core Pocket Media Player (TCPMP) is a software media player. Supported operating systems include Windows, Windows CE, Windows Mobile, Windows Smartphone, Palm OS and Symbian OS. http://en.wikipedia.org/wiki/The_Core_Pocket_Media_Player

http://tcpmp.en.softonic.com/pocket

http://www.hpcfactor.com/downloads/tcpmp/