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The handset has sent an alarm signal to the PNEZ and is consequently in alarm status. The HNA acknowledges the alarm call via the MQTT interface. 

The HNA can trigger the handset to start an audio call to monitor the alarm location. The speakerphone function can be used to communicate with the alerting party if necessary.


As an employee at the HNA, make sure to obtain permission to listen in from the monitored person before monitoring.

If individual workplaces are prohibited in the applicable regulations, this ban may not be circumvented with a personal alarm device.

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