# SMS Delivery Receipt Delays from Twilio to Telefonica El Salvador

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 9h 42m
- started 2026-07-31 06:35 UTC
- SMS, Latin America
- id: DWN-6977d5a9bc
- Official page: https://stspg.io/00t9tcz6z633

## Updates from Twilio
### 2026-07-31 06:35 UTC: investigating
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.

### 2026-07-31 07:42 UTC: identified
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.

### 2026-07-31 09:04 UTC: identified
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.

### 2026-07-31 11:06 UTC: identified
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.

### 2026-07-31 14:08 UTC: monitoring
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.

### 2026-07-31 16:08 UTC: monitoring
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.

### 2026-07-31 16:17 UTC: resolved
The incident has been resolved and SMS delivery receipts from Twilio to Telefonica network subscribers in El Salvador are operating normally.

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