# Twilio: Incident updated: Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States

> Incident updated: Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States. Detected 2026-10-29 by Rewindex: what changed on Twilio’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/r26cbc0b1112d56
Last updated: 2026-10-29T06:03:47Z

**Summary:** _summary pending_
- Kind: Incident update · Label: Normal progress (rule)
- Changed: 2026-10-29 06:03 UTC · Detected: 2026-10-29 06:03 UTC
- [Source: https://status.twilio.com/incidents/w874yx5qwkqc](https://status.twilio.com/incidents/w874yx5qwkqc)
- [Company: Twilio](https://rewindex.com/company/twilio.md)
- Versions: before incident\_version:125/w874yx5qwkqc@21cf83184667 → after incident\_version:125/w874yx5qwkqc@28bac4624ae6
- Change 3 of 4 for this incident

Incident page (full timeline): [Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States](https://rewindex.com/company/twilio/incidents/w874yx5qwkqc.md)
## What changed

**1. Changed: Status**

```diff
- identified
+ monitoring
```

**2. Added: Update** (monitoring) · 2026-10-29 05:54 UTC

```diff
+ We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-29 03:13 UTC | [Incident updated: Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States](https://rewindex.com/change/r84b00091849f14.md) | Normal progress |
| 2026-10-29 04:03 UTC | [Incident updated: Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States](https://rewindex.com/change/r966881d222c8af.md) | Normal progress |
| 2026-10-29 06:03 UTC | Incident updated: Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States (this change) | Normal progress |
| 2026-10-29 08:03 UTC | [Incident updated: Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States](https://rewindex.com/change/rd06928bc5f1ff1.md) | Normal progress |

Previous: [change](https://rewindex.com/change/r966881d222c8af.md) · Next: [change](https://rewindex.com/change/rd06928bc5f1ff1.md) · All Twilio changes: [timeline](https://rewindex.com/company/twilio/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/r26cbc0b1112d56 · Markdown: https://rewindex.com/change/r26cbc0b1112d56.md · JSON: https://rewindex.com/api/v1/changes/r26cbc0b1112d56 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-29T11:14:25.007Z