Voice Call Failures from a Subset of Twilio Mobile Numbers to Claro Nework in Colombia

Incident Report for Twilio

Resolved

The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to Claro network subscribers in Colombia are operating normally.

Posted Jul 30, 2026 - 19:09 PDT

Update

Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to Claro network subscribers in Colombia. 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.

Posted Jul 30, 2026 - 17:41 PDT

Update

Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Claro network subscribers in Colombia. 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 Jul 30, 2026 - 15:39 PDT

Update

Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Claro network subscribers in Colombia. 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 Jul 30, 2026 - 14:33 PDT

Identified

Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to network subscribers in Colombia. 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 Jul 30, 2026 - 13:48 PDT

Investigating

Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Claro network subscribers in Colombia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Jul 30, 2026 - 13:28 PDT

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