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minor✓ Resolved

SMS Delivery Receipt Delays from Twilio to Telefonica El Salvador

Twilio•Fri, Jul 31, 2026, 06:35 AM
Status
resolved
Duration
9h 44m
Updates
6
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedFri, Jul 31, 2026, 04:20 PM
This incident has been resolved.
monitoringFri, Jul 31, 2026, 04:08 PM
We have observed a recovery in SMS delivery receipts from Twilio to Telefonica network subscribers in El Salvador and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
monitoringFri, Jul 31, 2026, 02:08 PM
We have observed a recovery in SMS delivery receipts from Twilio to Telefonica network subscribers in El Salvador and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
identifiedFri, Jul 31, 2026, 11:06 AM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Telefonica network subscribers in El Salvador. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.
identifiedFri, Jul 31, 2026, 09:04 AM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Telefonica network subscribers in El Salvador. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.
identifiedFri, Jul 31, 2026, 07:42 AM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Telefonica network subscribers in El Salvador. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
investigatingFri, Jul 31, 2026, 06:35 AM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Telefonica network subscribers in El Salvador. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

📊 TECHNICAL DETAILS

Internal ID
181d174e-4efe-4d80-8600-38e32462e69d
External ID
8bv2m7t5q58q
🕐 Started
Fri, Jul 31, 2026, 06:35 AM
🔄 Last Updated
Fri, Jul 31, 2026, 04:20 PM
✓ Resolved
Fri, Jul 31, 2026, 04:20 PM
MINOR
Impact Level
9h 44m
Total Duration
6
Status Updates
Affected Components
SMS, Latin America
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