Sentinel experienced a minor incident on September 11, 2026 affecting Telephone System and Sentinel Voice, lasting 4h 17m. The incident has been resolved; the full update timeline is below.
Affected components
Telephone SystemSentinel Voice
Update timeline
- identified Sep 11, 2026, 02:34 PM UTC
Reports are coming in regarding degraded or non-functional inbound and outbound calls. This appears to be a part of an upstream outage and we are currently investigating the issue with our partners. The cause has been identified and patches are being rolled out.
- monitoring Sep 11, 2026, 03:53 PM UTC
Update - We have seen all traffic return to normal and are monitoring all services.
- resolved Sep 11, 2026, 06:51 PM UTC
The VoIP systems are back up and operational following monitoring - this incident has been resolved.