SECURITY SYSTEM AND METHOD FOR BLOCKING AN INCOMING TELEPHONE CALL, AND A SECURITY SYSTEM WITH A TELEPHONE DO NOT DISTURB FEATURE

摘要

A method and system for blocking an incoming telephone call based upon at least one predetermined criterion. The system includes a security device having a user device for inputting a first control signal to block the incoming telephone call, a nd for inputting a second control signal for controlling at least one feature of th e security system, at least one sensor for detecting an emergency event within a protected area. The sensor generates an alarm signal. The system further includes a control section for processing the first and second control signals. The control section generates a control signal based upon the first control signal. Based upon this control signal, a line seizure means opens or closes a connection between an incoming telephon e line and a telephone device. The security system has continuous access to the incoming telephone line, even though the line can be isolated from the telephone device.