SMS Delivery Receipt Delays from a Subset of Twilio Phone Numbers to Telefonica El Salvador

Incident Report for Twilio

Update

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.
Posted Aug 25, 2026 - 23:21 PDT

Update

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.
Posted Aug 25, 2026 - 07:20 PDT

Update

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.
Posted Aug 24, 2026 - 23:19 PDT

Update

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.
Posted Aug 24, 2026 - 19:18 PDT

Update

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.
Posted Aug 24, 2026 - 17:18 PDT

Update

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.
Posted Aug 24, 2026 - 16:18 PDT

Update

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.
Posted Aug 24, 2026 - 07:11 PDT

Update

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.
Posted Aug 23, 2026 - 07:10 PDT

Update

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.
Posted Aug 22, 2026 - 15:02 PDT

Update

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.
Posted Aug 22, 2026 - 07:02 PDT

Update

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.
Posted Aug 22, 2026 - 03:00 PDT

Update

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.
Posted Aug 22, 2026 - 00:59 PDT

Update

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.
Posted Aug 21, 2026 - 23:58 PDT

Update

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.
Posted Aug 21, 2026 - 21:46 PDT

Update

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.
Posted Aug 21, 2026 - 17:46 PDT

Update

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.
Posted Aug 21, 2026 - 15:45 PDT

Update

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.
Posted Aug 21, 2026 - 14:44 PDT

Identified

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.
Posted Aug 21, 2026 - 14:20 PDT

Investigating

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.
Posted Aug 21, 2026 - 14:20 PDT
This incident affects: CARRIER NETWORK (SMS, Latin America).