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Outage in Twilio

Voice Call Audio Quality Degradation from Twilio Phone Numbers to Turkey

Resolved Minor
August 17, 2026 - Started 1 day ago - Lasted about 9 hours
Official incident page

Incident Report

Summary AI Generated

Twilio experienced an 8.7-hour incident where voice calls from a subset of Twilio phone numbers to network subscribers in Turkey suffered audio quality degradation. The Voice and Europe components were affected, with the root cause identified during the incident and a fix actively worked on. Service was fully restored on August 17, 2026, following a monitored recovery period.

Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in Turkey. 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 Voice, Europe

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Latest Updates ( sorted recent to last )
RESOLVED about 17 hours ago - at 08/18/2026 06:06AM

The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to network subscribers in Turkey are operating normally.

MONITORING about 18 hours ago - at 08/18/2026 05:45AM

We have observed a recovery in voice calls from Twilio Phone Numbers to network subscribers in Turkey and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

MONITORING about 20 hours ago - at 08/18/2026 03:45AM

We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Turkey and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

IDENTIFIED about 23 hours ago - at 08/18/2026 12:31AM

Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in Turkey. 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 1 day ago - at 08/17/2026 10:30PM

Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in Turkey. 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 1 day ago - at 08/17/2026 09:30PM

Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in Turkey. 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.

INVESTIGATING 1 day ago - at 08/17/2026 09:26PM

Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in Turkey. 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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