Telnyx incident
Local calls to a Few European countries are failing with SIP 503 Service Unavailable
Major Resolved
Telnyx experienced a major incident on August 11, 2026, lasting 6h 13m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Aug 11, 2026, 08:52 AM UTC
We are currently investigating an increase in calls failing with SIP 503 Service Unavailable errors affecting local outbound call termination to European destinations. Customers may experience Local call failures when attempting to reach European destinations Sweden, Denmark etc. Our telephony team is actively working on a resolution.
- monitoring Aug 11, 2026, 10:04 AM UTC
Our telephony team has implemented a fix and we are actively monitoring traffic.
- resolved Aug 11, 2026, 03:05 PM UTC
This issue was mititaged as of `Tue Aug 11 09:44:44 UTC 2026`