Voice Call Failures from T-Mobile Network Subscribers to a Subset of Twilio United States Phone Numbers
Incident Lifecycle
Affected Components
Voice, North America
Incident Timeline
Identified
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.
Aug 18, 2026 at 3:58 PM UTC
Identified
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.
Aug 18, 2026 at 3:57 PM UTC
Investigating
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.
Aug 18, 2026 at 2:56 PM UTC
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