Voice Call Failures and Post Dial Delay from a Subset of Twilio Mobile Numbers to Movistar Argentina

Incident Report for Twilio

Resolved

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

Posted Aug 31, 2026 - 20:41 PDT

Monitoring

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

Posted Aug 31, 2026 - 18:39 PDT

Update

Twilio customers may be experiencing voice call failures and post dial delay from Twilio Phone Numbers to Movistar 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.

Posted Aug 31, 2026 - 17:22 PDT

Identified

Twilio customers may be experiencing voice call failures and post dial delay from a subset of Twilio Phone Numbers to Movistar 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.

Posted Aug 31, 2026 - 16:18 PDT

Investigating

Twilio customers may be experiencing voice call failures and post dial delay from Twilio Phone Numbers to Movistar 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.

Posted Aug 31, 2026 - 16:06 PDT

This incident affected: CARRIER NETWORK (Voice, Latin America).