This incident has been resolved, and we are no longer observing call failures over our Lumen ISUP trunks.
Posted Jul 14, 2026 - 12:58 MST
Monitoring
Our carrier has reported that a fix has been implemented, and we are monitoring the results.
Posted Jul 14, 2026 - 09:24 MST
Update
Our carrier has identified the underlying transport issue on their network causing the outbound call degradation, and is working to resolve as soon as possible.
Posted Jul 14, 2026 - 07:17 MST
Update
Our carrier is still working with the downstream carrier at this time.
Posted Jul 13, 2026 - 14:35 MST
Update
Carrier has identified the issue and they are working upstream for a fix at this time.
Posted Jul 13, 2026 - 13:20 MST
Identified
We have identified the issue and we are working with the carrier at this time. More updates will follow when information becomes available.
Posted Jul 13, 2026 - 13:15 MST
Investigating
We are currently investigating outbound calling degradation to our local ISUP trunk platform for outbound and inbound calls. This is for local calling in the Phoenix Metro only on the Local ISUP trunks.
Posted Jul 13, 2026 - 11:31 MST
This incident affected: Inbound Calling (Local ISUP) and Outbound Calling (Local ISUP).