Get the free Funambol SyncML client from:

http://www.imageway.com/software/funambol

Use the desktop tools from Blackberry to install the application. You'll find the application in the Menu -> Downloads section on the device. We tested 8.7.1 on OS 4.6 successfully with notes, contacts, events and tasks.

Suggested Funambol SyncML client settings: Goto client settings and set "Scheduled" and "Interval" and checkmark "Push client changes to the server".

You'll need the following information to setup the application.

SyncML server URL: http://go.imageway.com/syncml (or look it up at Settings -> Synchronization in your Mobile Office)
Port: 80
Username: Your Mobile Office full email address
Password: Your Mobile Office email password

The default settings should work but if something go.s wrong check the advanced settings of each datastore: