Telephone access control, card access systems with telephone access as a feature, the latest in communication and access control software for Windows ’95/’98/NT Compatible (Microsoft registered software development house), digital keypads (stand-alone and systems), card access system for two to 16 doors, access control building communication system (no phone line), high-rise/codominium/ residential security/alert with voice for onsite monitoring, telephone line powered emergency help station/systems, RF technology.