CUC - Cisco Unity Connection
Overview
Cisco Unity Connection provides voicemail and voice-messaging services integrated with CUCM.
Monitoring
Method
SNMP Exporter plus cuc-exporter API, CLI, and PerfMon collection through cuc-prometheus.
Metrics Collected
- Unity Connection service and port state
- CPU, memory, storage, and interface health
- API, CLI, and PerfMon application counters
- Exporter and scrape health
Grafana Dashboards
- WxCDI CUC Detail
- CUC exporter and SNMP dashboards are also recorded in the audit.
Logging
Log Source
CUC publisher and subscriber nodes send VOS syslog and supported SNMP traps.
Splunk Index
vos_syslog for syslog and snmp_traps for traps.
Key Log Queries
index=vos_syslog device_type="cuc" device_name="<device_name>"
Alerting
Grafana Alert Rules
| Alert Name | Severity | Description |
|---|---|---|
| CUC service health | Varies | Voicemail application and platform conditions. |
| Scrape down | Critical | Detects loss of CUC collection. |
Splunk Alerts
| Alert Name | Severity | Description |
|---|---|---|
| CUC VOS events | Varies | Unity Connection and platform events from vos_syslog. |
Notification Flow
CUC → Grafana/Splunk → EMS (KeepHQ) → [notification channels]
Inventory
- Repository: VOS inventory
- Update Method: Generated from the managed VOS/Ansible inventory.
- Update Cadence: On CUC inventory change through pull request.