Had the above device working ok for a few days.
Suddenly no new calendar entries would sync back from the device to the
(From GW to the device still worked)
The Sync-progress-bar just never showed 'Calender' (and Calender was still
selected under 'What to sync').

Only a complete reinstall of the Intellisync client fixed the problem.

Generally speaking Symbian device do not very well for us.

Georg Fritsch