# Twilio: Incident updated: Voice Call Failures from Network Subscribers to a Subset of Twilio Thailand Phone Numbers

**Summary:** _summary pending_
- Kind: Incident update · Label: not classified yet
- Changed: 2026-10-20 05:13 UTC · Detected: 2026-10-20 05:13 UTC
- [Source: https://stspg.io/lsjdtr9mbvkw](https://stspg.io/lsjdtr9mbvkw)
- [Company: Twilio](https://rewindex.com/company/twilio.md)
- Versions: before incident\_version:125/wnl9z6s2h5l3@a6f98466f816 → after incident\_version:125/wnl9z6s2h5l3@b7eb78b2fb98
- Change 2 of 3 for this incident

Incident page (full timeline): [Voice Call Failures from Network Subscribers to a Subset of Twilio Thailand Phone Numbers](https://rewindex.com/company/twilio/incidents/wnl9z6s2h5l3.md)
## What changed

**1. Changed: Title**

```diff
- Voice Call Failures From Network Subscribers to a Subset of Twilio Thailand Phone Numbers
+ Voice Call Failures from Network Subscribers to a Subset of Twilio Thailand Phone Numbers
```

**2. Added: Update** (identified) · 2026-10-20 05:12 UTC

```diff
+ Twilio customers may be experiencing voice call failures from network subscribers to a subset of Twilio Thailand Phone Numbers. 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.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-20 03:13 UTC | [Incident updated: Voice Call Failures From Network Subscribers to a Subset of Twilio Thailand Phone Numbers](https://rewindex.com/change/rd3f1572d32a42e.md) |  |
| 2026-10-20 05:13 UTC | Incident updated: Voice Call Failures from Network Subscribers to a Subset of Twilio Thailand Phone Numbers (this change) |  |
| 2026-10-20 06:13 UTC | [Incident updated: Voice Call Failures From Network Subscribers to a Subset of Twilio Thailand Phone Numbers](https://rewindex.com/change/rf221232e90eb63.md) |  |

Previous: [change](https://rewindex.com/change/rd3f1572d32a42e.md) · Next: [change](https://rewindex.com/change/rf221232e90eb63.md) · All Twilio changes: [timeline](https://rewindex.com/company/twilio/changes.md)
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Canonical: https://rewindex.com/change/re57c0a731bd503 · Markdown: https://rewindex.com/change/re57c0a731bd503.md · JSON: https://rewindex.com/api/v1/changes/re57c0a731bd503 · Generated 2026-10-20T07:16:54.899Z