News & Articles 1960-1975 Alarm Monitoring History; The Plague Of The Automatic Telephone Dialer Sareth March 12, 2019 By: Felix A. Giannini FPE, CPP Just before the digital communicator revolutionized residential central station alarm monitoring in the late… See Full Article 1960-1975 Alarm Monitoring History; The Plague Of The Automatic Telephone Dialer
