Minor incident

Twilio: Voice Call Failures from a Subset of Twilio Phone Numbers to Telefonica Argentina

Nov 5, 2026, 18:34 UTC

started

ongoing

not resolved yet

—

duration

Affected: Voice, Latin America

Current status of Twilio: Minor issues — live Twilio status

Timeline

Nov 5, 2026, 18:34 UTC
investigating
Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to network subscribers in Argentina. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Nov 5, 2026, 19:12 UTC
identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Telefonica network subscribers in Argentina. 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.
Nov 5, 2026, 20:13 UTC
identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Telefonica network subscribers in Argentina. 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.
Nov 5, 2026, 22:15 UTC
identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to network subscribers in Argentina. 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.
Nov 6, 2026, 02:21 UTC
identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Telefonica network subscribers in Argentina. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
Nov 6, 2026, 10:22 UTC
identified
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

Updates as published by Twilio (original).

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