COMPUTER CONTROLLED AUDIO RECORDING, SWITCHING, PAGING AND SIGNAGE EQUIPMENT, NAMELY, COMPUTERS, REMOTE CONTROLLERS, PAGING STATIONS COMPRISED OF A MICROPHONE CONNECTED TO A KEYPAD, KEY SWITCHES, COMPUTER HOST CARDFRAMES, MESSAGING CARDS, AND COMPUTER SOFTWARE FOR USE IN AUDIO RECORDING, SWITCHING, PAGING BY SENDING SPECIFIED MESSAGES TO SPECIFIC ZONES, AND SIGNAGE CONSISTING OF LCD and LED DISPLAYS