Sangoma experienced a major internet service disruption affecting customers in the California area due to an upstream carrier event with Frontier Fiber that lasted 74.4 hours. The outage impacted internet connectivity for affected customers from June 5-8, 2026. Frontier resolved the underlying system event on June 5 at 10:11 PM PDT, after which Sangoma conducted extended monitoring to confirm circuit stability before closing the incident.
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We have received confirmation from Frontier that the system event affecting your circuit's health was resolved on June 5, 2026, at 10:11 PM PDT. Following the resolution, we conducted extended monitoring and observed that your circuit has remained stable and operational since Frontier provided the all-clear notification. As the issue has been resolved and services are performing normally, we will now proceed with closing this system event.
We have detected and confirmed with our carrier that an upstream service disruption is impacting internet connectivity for some of our customers. We have confirmed with our carriers that this service impact did occur in the CA area. We remain engaged with our upstream carriers and continue to monitor the situation and will provide updates as they become available.
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