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System for feedback signal of switching state of alarm and security systems for user has telephone selection device which is integrated in alarm system and controller is installed in telephone selection device
System for feedback signal of switching state of alarm and security systems for user has telephone selection device which is integrated in alarm system and controller is installed in telephone selection device
The system has a telephone selection device which is integrated in an alarm system. A controller is installed in the telephone selection device, which selects a programmed telephone number after changing the switching state of the alarm system and permits the called telephone to ring for different lengths of time depending on switching state.
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