Ralph
In System Options is what I have:
Max. CO Trunks In A Conference:  8
Max. Parties In A Conference:       8
Max. Trunks In A Conference:       8
Still doesn't work properly. 
Could it be something in Class of Restriction Groups may be?
August, I have a dial plan in their, are you saying delete it save empty field and then go back in and put dial plan back?