Outage in Twilio
Voice Call Failures from T-Mobile Network Subscribers to a Subset of Twilio United States Phone Numbers
Resolved MinorIncident Report
Summary AI Generated
Twilio investigated a potential issue with voice call failures from T-Mobile network subscribers to a subset of Twilio US phone numbers, affecting the North America Voice component for approximately 1.7 hours. The team identified the cause during the investigation but ultimately determined the event resulted in no customer impact. All systems returned to normal operation upon resolution.
Twilio customers may be experiencing voice call failures from network subscribers to Twilio United States Phone Numbers. 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, North AmericaTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 7 hours ago - at 08/18/2026 04:35PM
We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.
IDENTIFIED
about 7 hours ago - at 08/18/2026 03:58PM
Twilio customers may be experiencing voice call failures from T-Mobile network subscribers in the United States to a subset of Twilio United States Phone Numbers. 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
about 7 hours ago - at 08/18/2026 03:57PM
Twilio customers may be experiencing voice call failures from T-Mobile network subscribers in the United States to a subset of Twilio United States Phone Numbers. 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
about 8 hours ago - at 08/18/2026 02:56PM
Twilio customers may be experiencing voice call failures from network subscribers to Twilio United States Phone Numbers. 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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