
Chapter 9 Monitoring BCM50 Status and Metrics 233
BCM50 Administration Guide
To check short-term alarms
1Choose Administration, Telephony Metrics, Trunk Module Metrics.
2Choose an expansion module.
3Click the CSU Alarms tab.
The display shows the short term alarms and the number of milliseconds (not necessarily
contiguous) that were active in the last minute.
To check defects
1Choose Administration > Telephony Metrics > Trunk Module Metrics.
2Choose a an expansion module.
3Click the CSU Alarms tab.
The display shows the first type of defect and the number of milliseconds (not necessarily
contiguous) the hardware reported in the last minute.
To view CSU Alarm History
1Choose Administration, Trunk Modules.
2Choose an expansion module.
3Click the CSU Alarm History tab.
The display shows all the alarms
4To view a specific alarm, click the Alarm Name.
The display shows all the occurrences of that Alarm
CbC limit metrics
Call-by-call service (CbC) on public PRI protocol (NI-2) allows a PBX to use channels more
effectively by expanding or contracting the number of channels available to different call types
such as INWATS, OUTWATS, Foreign Exchange (FX), and tie lines.
The call-by-call service is a method of offering and receiving services to Customer Premises
Equipment (CPE) on ISDN PRI without the use of dedicated circuits (i.e. interface or B-channels).
The Call-By-Call service conveys signaling information over an ISDN Primary Rate Interface
(PRI) that indicates, on a per-call basis, the specific service type required to complete the call.
Once the feature is configured, use the CbC Limit metrics panel to monitor denied call activity for
each service on each line pool.
PRI lines that support call-by-call services have maximum and minimum call limits for each
service. Use this panel to view reports for the services. These limits are set as part of the
numbering plan programming.
This section provides the “To access the CbC limit metrics” procedure.