Hi, Have you had a look at WEBDAV yet? It would seem perfect for reading task/calendar info. http://msdn.microsoft.com/en-us/library/aa123570%28v=exchg.65%29.aspx[^] Hope it helps.
The value in the :Param_type parameter is something more than just 'static' or 'dynamic'. Try printing its value using DBMS_OUTPUT and you'll know what is causing the problem.