The PBX monitors the status of Trunks, Extensions, Concurrent Call, Conference.
You can log in the PBX web interface, go to PBX Monitor to check the real-time status of your trunks, extensions, and conferences.
PSTN Trunk Status
VoIP Trunk Status
Check how many conferences are created on the PBX, and monitor the status of the conferences.
Check the maximum supported concurrent calls and the real-time concurrent calls on the PBX.