# Retell AI: Major incident: Inbound calling not connecting

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-07-29 14:00 UTC · Detected: 2026-10-19 17:03 UTC
- [Source: https://stspg.io/tsnvgr35lywv](https://stspg.io/tsnvgr35lywv)
- [Company: Retell AI](https://rewindex.com/company/retell-ai.md)
- Versions: before (none: first archived) → after incident\_version:682/b3bdg8661m8q@c64ba07d2cec
- Change 1 of 1 for this incident

Incident page (full timeline): [Inbound calling not connecting](https://rewindex.com/company/retell-ai/incidents/b3bdg8661m8q.md)
## What changed

**1. Added: Title**

```diff
+ Inbound calling not connecting
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-07-29 14:00 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-07-29 15:42 UTC
```

**6. Added: Affected components**

```diff
+ End to End Calling - Phone Call, Phone Call
```

**7. Added: Update** (investigating) · 2026-07-29 14:55 UTC

```diff
+ We identified that certain number's inbound is not connecting, investigating. Outbound is not impacted.
```

**8. Added: Update** (identified) · 2026-07-29 15:35 UTC

```diff
+ The issue was identified as a datacenter issue from underlying telephony provider, where 2 out of 3 datacenters failed to deliver webhook to Retell backend server.
```

**9. Added: Update** (monitoring) · 2026-07-29 15:39 UTC

```diff
+ This has been fixed, we are monitoring.
```

**10. Added: Update** (resolved) · 2026-07-29 15:42 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-07-29 14:00 UTC | Major incident: Inbound calling not connecting (this change) | major |

All Retell AI changes: [timeline](https://rewindex.com/company/retell-ai/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/i99050bd1640be4 · Markdown: https://rewindex.com/change/i99050bd1640be4.md · JSON: https://rewindex.com/api/v1/changes/i99050bd1640be4 · Generated 2026-10-19T23:13:19.611Z