Hi Amir
I know that the last update to this post was in 2010 but I can't seem to find any updates posted more recently. We are using Moodle 2.5 with Echange 2003 and are experiencing these issues.
Happy to test the amendments suggested above, but wondered whether you found a solution/answers to the questions you post above regarding the details of the Outlook appointment?
Thanks Amir
Kyla