# Voice Call Failures from Network Subscribers in South Africa to a Subset of Twilio Phone Numbers

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 4h 45m
- started 2026-07-18 07:44 UTC
- Voice, Middle East & Africa
- me
- id: DWN-32c53f770c
- Official page: https://stspg.io/7snxs0rhbg0j

## Updates from Twilio
### 2026-07-18 07:44 UTC: investigating
Twilio customers may be experiencing voice call failures from network subscribers in south africa to a subset of Twilio Phone Numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-07-18 07:50 UTC: identified
Twilio customers may be experiencing voice call failures from network subscribers in south africa to a subset of Twilio Phone Numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-07-18 09:02 UTC: identified
Twilio customers may be experiencing voice call failures from network subscribers in south africa to a subset of Twilio Phone Numbers. Our team is actively investigating this issue. We will provide another update in 2 hour or as soon as more information becomes available.

### 2026-07-18 10:18 UTC: monitoring
We have observed a recovery in voice calls from network subscribers in South Africa to a subset of Twilio Phone Numbers and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-07-18 12:29 UTC: resolved
The incident has been resolved and voice calls from network subscribers to a subset of Twilio Phone Numbers are operating normally.

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