TELEPHONE SYSTEMS, COMPRISED OF A HANDSET AND CONSOLE UNIT WITH CONSOLE FEATURES-NAMELY, STANDARD TELEPHONE FUNCTIONS, ONE TOUCH DIALING, CALL PROGRESS MONITORING, GROUP LISTENING, CLOCK/CALENDAR AND ALARM, ELECTRONIC DISPLAY [ , AND MODULES FOR FEATURES-NAMELY, AUTOMATIC DIALING, CALL RESTRICTION, STORED MESSAGE RECALL, AND CUSTOM CALLING, ALSO KNOWN AS TELESYSTEMS ]