# SMS Delivery Receipt Delays from Twilio to Telekom Srbija Serbia

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Partial outage
- lasted 3h 36m
- started 2026-03-18 23:19 UTC
- SMS, Europe
- eu
- id: DWN-fa5950c34d
- Official page: https://stspg.io/jl2sgjv4c2yf

## Updates from Twilio
### 2026-03-18 23:19 UTC: investigating
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Telekom Srbija network subscribers in Serbia. 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.

### 2026-03-18 23:20 UTC: identified
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Telekom Srbija network subscribers in Serbia. 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.

### 2026-03-18 23:21 UTC: monitoring
We have observed a recovery in SMS delivery receipts from Twilio to Telekom Srbija network subscribers in Serbia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-03-19 00:58 UTC: monitoring
We still observe a recovery in SMS delivery receipts from Twilio to Telekom Srbija network subscribers in Serbia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-03-19 02:55 UTC: resolved
We are no longer experiencing SMS delivery receipt delays from Twilio to Telekom Srbija network subscribers in Serbia. This incident has been resolved.

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