Interfacing a phone that use PDU format to a PC is possible and is already been done.
I think you should use the Fbus and not the Mbus.

Visit the links given below they should help you to find the best way to go.

wishing you good luck

Al.

http://www.panuworld.net/nuukiaworld...les/basics.htm
http://en.wikipedia.org/wiki/FBus
http://www.download.com/Mobile-FBUS/...-10041363.html