I've followed the direction in the following URL to tethering my Treo 680 and can not get it to work! It connects via Bluetooth, but fails at the log-in point. Has anyone been able to get this to work?

http://wiki.howardforums.com/index.php/Tether_with_W ... »

I'm using the BlackBerry Unlimited plan with the APN wap.voicestream.com.

~J.