A monitored station can have two call states and two ringing states. The call states and ringing states are displayed separately on the monitoring station:
The call states are:
Note:
A ringing station is considered as a station with the idle overall call state.
The busy states are as follows:
The overall ringing states are as follows:
IDLE – No incoming call appearance is ringing
RINGING – One incoming call appearance is ringing, silent ringing or audible ringing
DOUBLE RINGING – More than one incoming call appearance is ringing, silent ringing or audible ringing.