Telnyx incident
Wireless Roaming - Diameter Connectivity Degradation
Telnyx experienced a critical incident on March 15, 2026 affecting Programmable Wireless, lasting 1h 41m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Mar 15, 2026, 02:00 PM UTC
We are currently investigating this issue.
- investigating Mar 15, 2026, 02:09 PM UTC
We are currently investigating this issue. European roaming services are fully impacted, affecting IMSI1, IMSI2, and IMSI3 subscribers. IMSI5 in the US is experiencing intermittent failures.
- investigating Mar 15, 2026, 02:10 PM UTC
We are currently investigating this issue. Roaming services are fully impacted across Europe, Canada, Latin America, and Asia, affecting IMSI1, IMSI2, and IMSI3 subscribers. IMSI5 retains partial service in the US only.
- identified Mar 15, 2026, 03:14 PM UTC
The issue has been identified and a fix is being implemented.
- monitoring Mar 15, 2026, 03:22 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Mar 15, 2026, 03:42 PM UTC
This incident has been resolved.