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Outage in Twilio

SMS Delivery Delays and Failures from Twilio Phone Numbers to Telekom Srbija Serbia

Resolved Minor
May 07, 2026 - Started about 1 month ago - Lasted about 4 hours
Official incident page

Incident Report

Summary AI Generated

Twilio experienced SMS delivery delays and failures for messages sent from Twilio phone numbers to Telekom Srbija network subscribers in Serbia for 4.5 hours. The issue affected SMS services in the Europe region, preventing reliable message delivery to users on the Serbian carrier network. The incident was resolved after monitoring showed recovery in SMS delivery performance to the affected network.

Twilio customers may be experiencing SMS delivery delays and failures from Twilio numbers to Telekom Srbija network subscribers in Serbia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Components affected
Twilio SMS, Europe

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Latest Updates ( sorted recent to last )
RESOLVED about 1 month ago - at 05/07/2026 01:05PM

The incident has been resolved and SMS delivery from Twilio to Telekom Srbija network subscribers in Serbia is operating normally.

MONITORING about 1 month ago - at 05/07/2026 01:03PM

We have observed a recovery in SMS delivery from Twilio Phone Numbers to Telekom Srbija network subscribers in Serbia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 05/07/2026 09:40AM

Twilio customers may be experiencing SMS delivery delays and failures from Twilio numbers to Telekom Srbija network subscribers in Serbia. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 05/07/2026 08:40AM

Twilio customers may be experiencing SMS delivery delays and failures from Twilio numbers to Telekom Srbija network subscribers in Serbia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

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