22. A pre-hearing conference may be held in the presence of the parties or by means of a conference telephone call, in particular for the purposes of:(1) identifying the questions to be argued at the hearing;
(2) allowing or ordering any documentary evidence or report to be communicated before the hearing;
(3) examining the possibility of admitting certain facts;
(4) examining the possibilities of an agreement;
(5) planning the conduct of the hearing.