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minor✓ Resolved

Voice Call Failures from T-Mobile Network Subscribers to a Subset of Twilio United States Phone Numbers

Twilio•Tue, Aug 18, 2026, 02:56 PM
Status
resolved
Duration
1h 43m
Updates
3
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedTue, Aug 18, 2026, 04:40 PM
This incident has been resolved.
identifiedTue, Aug 18, 2026, 03:58 PM
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.
identifiedTue, Aug 18, 2026, 03:57 PM
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.
investigatingTue, Aug 18, 2026, 02:56 PM
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.

📊 TECHNICAL DETAILS

Internal ID
5279434d-2a62-4f1a-a850-31bb6717a039
External ID
z0kvxg6gdshm
🕐 Started
Tue, Aug 18, 2026, 02:56 PM
🔄 Last Updated
Tue, Aug 18, 2026, 04:40 PM
✓ Resolved
Tue, Aug 18, 2026, 04:40 PM
MINOR
Impact Level
1h 43m
Total Duration
3
Status Updates
Affected Components
Voice, North America
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