Twilio incident
Voice Call Failures from a Subset of Twilio Mobile Numbers to Claro Nework in Colombia
Twilio experienced a minor incident on July 30, 2026 affecting Voice, Latin America, lasting 5h 41m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jul 30, 2026, 08:28 PM UTC
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.
- identified Jul 30, 2026, 08:48 PM UTC
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.
- identified Jul 30, 2026, 09:33 PM UTC
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.
- identified Jul 30, 2026, 10:39 PM UTC
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.
- identified Jul 31, 2026, 12:41 AM UTC
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.
- resolved Jul 31, 2026, 02:09 AM UTC
The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to Claro network subscribers in Colombia are operating normally.