The disclosure of U.S. Pat. No. 4,743,747 is hereby incorporated by reference.As seen in FIG. 1, a postage and address applying system generally includes a control center 12 and an accounting unit 14 that are in communication with one another through a communicating device such as a telephone 16, a facsimile machine, atelex machine, and the like.Located within the accounting unit 14 is a modem or