# SMS Delivery Failures from Twilio to Viettel Viet Nam

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 5h 14m
- started 2026-03-26 09:24 UTC
- SMS, APAC
- apac
- id: DWN-d1a99fe2cf
- Official page: https://stspg.io/3tkwjp76s6x8

## Updates from Twilio
### 2026-03-26 09:24 UTC: investigating
Twilio customers may be experiencing SMS delivery failures from Twilio to Viettel network subscribers in Viet Nam. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-03-26 10:25 UTC: investigating
Twilio customers may be experiencing SMS delivery failures from Twilio to Viettel network subscribers in Viet Nam. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-03-26 12:41 UTC: monitoring
We have observed a recovery in SMS delivery from Twilio to Viettel network subscribers in Vietnam and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-03-26 14:38 UTC: resolved
We are no longer experiencing SMS delivery failures from Twilio to Viettel network subscribers in Viet Nam. This incident is now resolved.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by Sazabi (https://sazabi.com/?utm_source=down-guide&utm_medium=markdown).