An Gigaset Nx70 is required for operation in PNG Mode and allows operation in compliance with BGR 139. 

The alarm server acts as the control center for this personal alarm system (PNA system). The alarm server controls and monitors the PNG-S and responds to its messages and alarms. 

The user performs a function test on the sensors prior to activation. Monitoring is activated by the alarm server if the function test has been performed successfully.

Alarm calls from the PNG-S are directed to the configured alarm destination. To ensure that the alarm calls reach the alarm destination, the calls are repeated until acknowledged by the alarm server. Nevertheless, it cannot be fully guaranteed that an alarm call will reach the programmed alarm
destination. The alarm server therefore also checks the communication paths to the PNG-S and polls the PNG-S cyclically. If there are no responses, the alarm server generates a technical alarm and assistance is deployed. A local alarm is triggered additionally on the PNG-S.


The handset and therefore the person who triggers the alarm can then be located using positioning services. When the alarm has been processed, an alarm signal is emitted on the PNG-S, which serves to further pinpoint the location of the party who triggered the alarm.

The alarm server is responsible for resetting the alarm and disabling monitoring. The alarm server checks in the process whether monitoring can be disabled if necessary. For example the disabling location is checked as a criterion.

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