I checked in one of the MS Newsgroups, and I almost flipped when someone there said it's not an out-of-the-box function with the Smartphone edition!

They pointed me at this, though, if you're interested:
http://www.smartphone.net/software_detail.asp?id=185

__________________
-Lee
Samsung i730
Ridata 1GB SD Card, Transcend 4GB SD card, PPC Tech Audio Adapter