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minor✓ Resolved

Voice Call Failures, Post Dial Delay, and Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in Brazil

TwilioMon, Aug 24, 2026, 09:06 PM
Status
resolved
Duration
11h 24m
Updates
10
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedTue, Aug 25, 2026, 08:31 AM
This incident has been resolved.
monitoringTue, Aug 25, 2026, 06:30 AM
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.
identifiedTue, Aug 25, 2026, 04:12 AM
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.
identifiedTue, Aug 25, 2026, 02:11 AM
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.
identifiedTue, Aug 25, 2026, 01:11 AM
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.
identifiedTue, Aug 25, 2026, 01:03 AM
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.
identifiedMon, Aug 24, 2026, 10:57 PM
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.
identifiedMon, Aug 24, 2026, 09:57 PM
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.
identifiedMon, Aug 24, 2026, 09:37 PM
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.
identifiedMon, Aug 24, 2026, 09:20 PM
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.
investigatingMon, Aug 24, 2026, 09:06 PM
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.

📊 TECHNICAL DETAILS

Internal ID
5626ade0-dcaf-4d89-ba44-6a4ff9c6f35b
External ID
860rlthhq11g
🕐 Started
Mon, Aug 24, 2026, 09:06 PM
🔄 Last Updated
Tue, Aug 25, 2026, 08:31 AM
✓ Resolved
Tue, Aug 25, 2026, 08:31 AM
MINOR
Impact Level
11h 24m
Total Duration
10
Status Updates
Affected Components
Voice, Latin America
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