Twilio incident
Voice Call Failures, Post Dial Delay, and Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in Brazil
Twilio experienced a minor incident on August 24, 2026 affecting Voice, Latin America, lasting 11h 22m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 24, 2026, 09:06 PM UTC
Twilio customers may be experiencing voice call silent and one-way audio from network subscribers in Brazil to Twilio Brazil 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.
- identified Aug 24, 2026, 09:20 PM UTC
Twilio customers may be experiencing voice call silent and one-way audio from network subscribers in Brazil to Twilio 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.
- identified Aug 24, 2026, 09:37 PM UTC
Twilio customers may be experiencing voice call silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Brazil. 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 Aug 24, 2026, 09:57 PM UTC
Twilio customers may be experiencing voice call failures, post dial delay, and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Brazil. 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 Aug 24, 2026, 10:57 PM UTC
Twilio customers may be experiencing voice call failures, post dial delay, and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Brazil. 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 Aug 25, 2026, 01:03 AM UTC
Twilio customers may be experiencing voice call failures, post dial delay, and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers in Brazil. 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.
- identified Aug 25, 2026, 01:11 AM UTC
Our team has resolved the voice call failures and post dial delay (PDD) from Twilio phone numbers to Brazil network subscribers, restoring this service to normal operations. However, we are still investigating silent and one-way audio issues for calls from Brazil network subscribers to a subset of Twilio Phone Numbers. Our engineers are actively working to identify the root cause and resolve this remaining audio issue. We will provide another update in 2 hours or as soon as more information becomes available.
- identified Aug 25, 2026, 02:11 AM UTC
Our team has resolved the voice call failures and post dial delay (PDD) from Twilio phone numbers to Brazil network subscribers, restoring this service to normal operations. However, we are still investigating silent and one-way audio issues for calls from Brazil network subscribers to a subset of Twilio Phone Numbers. Our engineers are actively working to identify the root cause and resolve this remaining audio issue. We will provide another update in 4 hours or as soon as more information becomes available.
- identified Aug 25, 2026, 04:12 AM UTC
Twilio customers may be experiencing voice call failures, post dial delay, and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Brazil. 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.
- monitoring Aug 25, 2026, 06:30 AM UTC
We have observed a recovery in voice calls between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Brazil and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- resolved Aug 25, 2026, 08:28 AM UTC
The incident has been resolved and voice calls between a subset of Twilio Phone Numbers and network subscribers on affected networks in Brazil are operating normally.