Issues customers found – because the data was finally visible.
Fix
After it breaks6 casesCall loops within CUCM
Filtering CUCM call records by the numbers reveals calls circling back through the same trunk.
Call-routing issues within CUBE
Traffic landing on dial-peer 0 exposes a routing gap across the whole deployment.
Calls to Dubai blocked by the provider
Correct number format on both CUCM and CUBE pointed the fault cleanly at the carrier.
Finesse agents not receiving calls
A SIP INVITE with no calling number explained why calls matched the wrong incoming dial-peer.
Fax failing on T.38 negotiation
Retained CUCM traces surfaced the remote server's rejection long after CUCM had deleted its own.
The hunt group that went quiet
A Live Data watchlist turned "calls are dropping" into a login problem within minutes.
Prevent
Before it breaks5 casesCommon causes for call drops
A "top reasons" dashboard turns scattered failures into an early-warning signal.
Replication broken, phones still working
A nightly Health Check caught a failed subscriber before the next reboot exposed it.
Certificate about to expire on the SIP trunk
Thirty days' notice replaced a Monday-morning outage.
The change nobody made
A configuration compare found the Friday-evening edit behind Monday's dropped calls.
The change that took one click to undo
A snapshot taken before a dial-peer update let the team roll the CUBE back in minutes.
Prove
Over time3 casesBooked rooms nobody used
Utilization data showed which rooms to free up.
The site that dragged the quality score down
The quality pages pointed at one WAN link instead of "the phones".
Six months of green for the SLA review
Health Check history gave the service owner evidence of a stable platform instead of "no news is good news".
Trusted where the data cannot leave the building.
Sectors
Defense
Air-gapped infrastructure with strict data residency; multi-site, multi-cluster.
Critical infrastructure
Energy, transport and utilities where telephony is part of the operational chain.
Public sector
Ministries, agencies and municipalities running on-prem Cisco for years.
Finance & insurance
Regulated environments with audit and retention requirements.
Healthcare
Hospitals and providers where a dead trunk is a patient-safety issue.
Industry
Manufacturers with plants, gateways and rooms across several countries.
Selected deployments
Defense
Middle EastReplaced manual morning checks across all clusters with nightly Health Checks; call records and configuration snapshots retained for two years to answer audit questions.
Related insight · 09The change nobody madeFinance & insurance
EUMonthly quality and health reporting for the service owner; Health Check history used in the internal SLA review.
Related insight · 14Six months of green for the SLA reviewPublic sector
AustriaRoom utilization and health across all sites on one board; certificate expiry and backup failures alerted before they became outages.
Related insight · 10Booked rooms nobody usedCritical infrastructure
Middle EastCarrier disputes settled with call evidence from both CUCM and the gateways; gateway changes moved from CLI to validated forms.
Related insight · 04Calls to Dubai blocked by the provider