COMMUNICATION AND CONTROL SYSTEM FOR USE IN ASSOCIATION WITH LOCAL TELEPHONES AND TELEPHONE LINES WITHIN A HOME OR BUSINESS PREMISES, COMPRISING A CONTROL MODULE AND REMOTE MODULES AND TELEPHONES UNDER CONTROL OF THE CONTROL MODULE WHICH ARE PLUGGED INTO TELEPHONE LINE CONNECTOR SOCKETS, AND WHICH PROVIDE TELEPHONE COMMUNICATION, INTERCOM, HOLDING OF TELEPHONE CALLS, STORAGE AND AUTOMATIC DIALING OF STORED TELEPHONE NUMBERS, TONE RINGING, CONTROLLED PRIVACY FOR INDIVIDUAL TELEPHONES, AND REMOTE CONTROL OF ELECTRIC APPARATUS SUCH AS APPLIANCES, LIGHTS AND THERMOSTATS; SINGLE AND MULTI-LINE TELEPHONES ACCOMMODATING TELEPHONE EXTENSIONS CAPABLE OF ANSWERING OR ORIGINATING OUTSIDE LINE CALLS; TELEPHONES; TELEPHONE CALL ANSWERING MACHINES; CORDLESS TELEPHONES; KEY TELEPHONE APPARATUS; TELEPHONE SWITCHING UNITS; PRIVATE BRANCH TELEPHONE EXCHANGES; AND ELECTRONIC SECURITY DEVICES, NAMELY, BURGLAR ALARMS AND EMERGENCY ALARMS