Customer case 02Call loops within CUCM
Filtering CUCM call records by the numbers reveals calls circling back through the same trunk.
- 1
Situation
Users reported dropped calls with no obvious cause. FRINK consumes CUCM CDRs and renders every call across multiple dashboards.
- 2
What the data showed
Filtering on the calling number and the original, last-redirect and final called numbers exposed the call looping back through the same numbers: a burst of near-zero-duration records repeating in a short window, linked into one long call journey, with the same trunk as both originating and destination device.
CUCM · list of calls & search - 3
Resolution
The loop was traced to the routing configuration and closed.