Incoming call – call in the control centre - 2N® Lift1 direction
Outgoing call – call in the 2N® Lift1 - control centre direction
Check(ing) call – automatically activated call in the 2N® Lift1 - control centre direction
Control centre – workplace receiving alarm/check calls and failure reports. There can also be separate workplaces for various call types or just the staff mobile telephones.
L8 – 2N® Lift8 system, the software can control the check/alarm calls and fully administer the 2N® Lift1 communicators and other similar devices if necessary
PBX – private branch exchange (equipped with analogue local lines and, typically, PSTN connection)
PSTN – public switched telephone network. It is considered for simplification that 2N® Lift1 is connected to the PSTN although it works along a PBX line in the same way.
