The purposes of a pretrial conference shall include, but not be limited to:
(a) to determine whether the parties intend to proceed to trial or to enter a plea to the original charge, a lesser charge, or an added charge;
(b) to determine whether pretrial motions have been completed;
(c) to stipulate which witnesses may be called at trial and which witnesses may be waived, if any;
(d) to determine the number of trial days required; and
(e) to determine when the case will be ready for trial and disclose any scheduling problems.