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minor✓ Resolved
SMS Delivery Receipt Delays from a Subset of Twilio Phone Numbers to Telefonica El Salvador
Status
resolved
Duration
13d 14h
Updates
34
Coverage
0 articles
INCIDENT TIMELINE
✓ ResolvedFri, Sep 4, 2026, 12:10 PM
This incident has been resolved.
monitoringFri, Sep 4, 2026, 08:03 AM
We have observed a recovery in SMS delivery receipts from a subset of Twilio Phone Numbers 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, Sep 4, 2026, 05:59 AM
We have observed a recovery in SMS delivery receipts from a subset of Twilio Phone Numbers 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.
identifiedThu, Sep 3, 2026, 09:36 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 24 hours or as soon as more information becomes available.
identifiedWed, Sep 2, 2026, 09:36 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 24 hours or as soon as more information becomes available.
identifiedTue, Sep 1, 2026, 09:35 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 24 hours or as soon as more information becomes available.
identifiedTue, Sep 1, 2026, 05:35 AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 16 hours or as soon as more information becomes available.
identifiedMon, Aug 31, 2026, 09:35 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 8 hours or as soon as more information becomes available.
identifiedMon, Aug 31, 2026, 05:32 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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.
identifiedMon, Aug 31, 2026, 03:25 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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.
identifiedMon, Aug 31, 2026, 02:25 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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.
identifiedMon, Aug 31, 2026, 06:31 AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 24 hours or as soon as more information becomes available.
identifiedSun, Aug 30, 2026, 06:30 AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 24 hours or as soon as more information becomes available.
identifiedSat, Aug 29, 2026, 06:28 AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 24 hours or as soon as more information becomes available.
identifiedFri, Aug 28, 2026, 06:28 AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 24 hours or as soon as more information becomes available.
identifiedThu, Aug 27, 2026, 06:27 AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 24 hours or as soon as more information becomes available.
identifiedWed, Aug 26, 2026, 06:21 AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 24 hours or as soon as more information becomes available.
identifiedTue, Aug 25, 2026, 02:20 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 16 hours or as soon as more information becomes available.
identifiedTue, Aug 25, 2026, 06:19 AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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 8 hours or as soon as more information becomes available.
identifiedTue, Aug 25, 2026, 02:18 AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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.
identifiedTue, Aug 25, 2026, 12:18 AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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.
identifiedMon, Aug 24, 2026, 11:18 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers 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.
identifiedMon, Aug 24, 2026, 02:11 PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
identifiedSun, Aug 23, 2026, 02:10 PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
identifiedSat, Aug 22, 2026, 10:02 PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.
identifiedSat, Aug 22, 2026, 02:02 PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
identifiedSat, Aug 22, 2026, 10:00 AM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. 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.
identifiedSat, Aug 22, 2026, 07:59 AM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. 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.
identifiedSat, Aug 22, 2026, 06:58 AM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. 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.
identifiedSat, Aug 22, 2026, 04:46 AM
Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
identifiedSat, Aug 22, 2026, 12:46 AM
Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. 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.
identifiedFri, Aug 21, 2026, 10:45 PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. 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.
identifiedFri, Aug 21, 2026, 09:44 PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. 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.
identifiedFri, Aug 21, 2026, 09:20 PM
Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. 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, 09:20 PM
Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Phone Numbers to Telefonica network subscribers in El Salvador. 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
cdb3932f-e135-44cb-9c87-1f36c4a3ad27
External ID
16s1650c3kxf
🕐 Started
Fri, Aug 21, 2026, 09:20 PM
🔄 Last Updated
Fri, Sep 4, 2026, 12:10 PM
✓ Resolved
Fri, Sep 4, 2026, 12:10 PM
MINOR
Impact Level
13d 14h
Total Duration
34
Status Updates
Affected Components
SMS, Latin America
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