Jason Langridge posted a great tip this morning about phone numbers contained in conference call meeting requests in Windows Mobile 6 (and 6.1) Professional. Apparently, when you receive a phone number in a conference call meeting request under Pro,  it's not clickable  in the request description, as it is in the Standard version. As a workaround, Jason suggests including the conference call phone number in the body of the meeting request, as well. Read the complete workaround.