SMS Delivery Delays from Twilio to Vivacom Bulgaria

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery from Twilio to Vivacom network subscribers in Bulgaria is operating normally.

Posted Mar 07, 2026 - 15:03 PST

Update

We have observed a recovery in SMS delivery from Twilio to Vivacom 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.

Posted Mar 07, 2026 - 13:43 PST

Monitoring

We have observed a recovery in SMS delivery from Twilio to Vivacom 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.

Posted Mar 07, 2026 - 11:56 PST

Identified

Twilio customers may be experiencing SMS delivery delays from Twilio to Vivacom 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.

Posted Mar 07, 2026 - 11:05 PST

Investigating

Twilio customers may be experiencing SMS delivery delays from Twilio to Vivacom 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.

Posted Mar 07, 2026 - 10:04 PST

This incident affected: CARRIER NETWORK (SMS, Europe).