# Twilio: Incident updated: SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan

**Summary:** _summary pending_
- Kind: Incident update · Label: not classified yet
- Changed: 2026-10-21 21:13 UTC · Detected: 2026-10-21 21:13 UTC
- [Source: https://stspg.io/d8km5rfd3wbx](https://stspg.io/d8km5rfd3wbx)
- [Company: Twilio](https://rewindex.com/company/twilio.md)
- Versions: before incident\_version:125/y0t9h120wvwv@8e97e00bbca9 → after incident\_version:125/y0t9h120wvwv@5b5858284193
- Change 4 of 5 for this incident

Incident page (full timeline): [SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan](https://rewindex.com/company/twilio/incidents/y0t9h120wvwv.md)
## What changed

**1. Changed: Title**

```diff
- SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to Jazz Pakistan
+ SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan
```

**2. Changed: Status**

```diff
- identified
+ monitoring
```

**3. Added: Update** (monitoring) · 2026-10-21 21:06 UTC

```diff
+ We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender Type to Jazz network subscribers in Pakistan 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 |
| --- | --- | --- |
| 2026-10-21 16:53 UTC | [Incident updated: SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to Jazz Pakistan](https://rewindex.com/change/rfbc4473af91850.md) |  |
| 2026-10-21 18:03 UTC | [Incident updated: SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to Jazz Pakistan](https://rewindex.com/change/r7534ea533de128.md) |  |
| 2026-10-21 20:03 UTC | [Incident updated: SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to Jazz Pakistan](https://rewindex.com/change/r01d52d3249cc21.md) |  |
| 2026-10-21 21:13 UTC | Incident updated: SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan (this change) |  |
| 2026-10-21 22:53 UTC | [Incident updated: SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan](https://rewindex.com/change/r6783e34b42598a.md) |  |

Previous: [change](https://rewindex.com/change/r01d52d3249cc21.md) · Next: [change](https://rewindex.com/change/r6783e34b42598a.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._


---
Canonical: https://rewindex.com/change/rc2673e0419823c · Markdown: https://rewindex.com/change/rc2673e0419823c.md · JSON: https://rewindex.com/api/v1/changes/rc2673e0419823c · Generated 2026-10-22T00:30:43.574Z