Twilio incident
Voice Call Failures from Twilio Phone Numbers to Bulgaria
Twilio experienced a minor incident on August 28, 2026 affecting Voice, Europe, lasting 22h 49m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 28, 2026, 11:36 PM UTC
Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in Bulgaria. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Aug 28, 2026, 11:44 PM UTC
Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in Bulgaria. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Aug 29, 2026, 12:44 AM UTC
Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in Bulgaria. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
- identified Aug 29, 2026, 02:44 AM UTC
Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in Bulgaria. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
- identified Aug 29, 2026, 06:45 AM UTC
Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in Bulgaria. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
- identified Aug 29, 2026, 02:45 PM UTC
Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in Bulgaria. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.
- monitoring Aug 29, 2026, 07:20 PM UTC
We have observed a recovery in voice calls from Twilio Phone Numbers to network subscribers in Bulgaria and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Aug 29, 2026, 09:25 PM UTC
We have observed a recovery in voice calls from Twilio Phone Numbers to network subscribers in Bulgaria and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- resolved Aug 29, 2026, 10:26 PM UTC
The incident has been resolved and voice calls from Twilio Phone Numbers to network subscribers in Bulgaria are operating normally.