Your new conference line is available to you 24/7 and there is no need to schedule or make reservations. Each account accommodates 96 callers on an unlimited number of 6 hour free conference calls.
To get two months free simply switch to 6 month Pre-Pay at anytime from monthly billing. You will get 1 month free standard on all plans plus 1 additional month free by switching to 6 month Pre-Pay.