Panasonic KX-TDA200 User Manual

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1.9 Using User-supplied Equipment
136
User Manual
1.9.3
If an External Sensor is Connected
Preprogrammed extensions can receive an alert call from an external sensor (e.g., security alarm) 
connected to the PBX.
To answer a sensor call
If you do not answer a sensor call within a specified time period, the sensor call will stop.
Off-hook.
PT/SLT/PS
On-hook.
D.Tone