The advantage of the fire call system is that a fire is detected early, regardless of the presence of persons and measures to be taken. Thus, the alerted by the fire alarm system people intervene quickly and possibly extinguish fires already in the development phase. In areas where people sleep (ex. hotels) may be an essential element for the protection of personnel, a fire alarm in conjunction with an alarm.
In principle, the possibility of false alarms must be taken into account, inter alia, (formerly push-button detectors) can be triggered by false evaluations of automatic fire detectors and by malicious activation of manual call points. Here the development is now so far that in object- equitable planning of the risk of false alarms is greatly reduced (ex. operating mode TM). Against intentional release you are basically never immune. Also, a fire may be due to arson.