Creating an activity report which includes the related people

In an activity CRM grid, it is not possible to add attributes from the activity type (letter, phonecall etc) itself. The fields to and from on the entities phonecall, letter, fax are therefore not eligable for addition on the CRM grid. It would be very useful to see those though. The same is valid for the to, cc and bcc in email and required and optional attendees in appointments. In this post I