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minor✓ Resolved

SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to Altan Redes Mexico

Twilio•Fri, Aug 21, 2026, 03:08 AM
Status
resolved
Duration
4h 22m
Updates
4
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedFri, Aug 21, 2026, 07:31 AM
This incident has been resolved.
monitoringFri, Aug 21, 2026, 06:57 AM
We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs to Altan Redes network subscribers in Mexico and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
identifiedFri, Aug 21, 2026, 05:52 AM
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Altan Redes network subscribers in Mexico. 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.
investigatingFri, Aug 21, 2026, 04:08 AM
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Altan Redes network subscribers in Mexico. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
investigatingFri, Aug 21, 2026, 03:08 AM
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Altan Redes network subscribers in Mexico. 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
3a50732e-3dac-4d73-9437-2d61cd1a3a89
External ID
ycwwhtldf84g
🕐 Started
Fri, Aug 21, 2026, 03:08 AM
🔄 Last Updated
Fri, Aug 21, 2026, 07:31 AM
✓ Resolved
Fri, Aug 21, 2026, 07:31 AM
MINOR
Impact Level
4h 22m
Total Duration
4
Status Updates
Affected Components
SMS, Latin America
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