# Telnyx: Major incident: MS Teams outbound call drops due to IceConnectivityChecksFailed

> Major incident: MS Teams outbound call drops due to IceConnectivityChecksFailed. Detected 2026-11-12 by Rewindex: what changed on Telnyx’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/i5a7ff823ab9b9e
Last updated: 2026-11-12T14:43:17Z

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-11-12 14:36 UTC · Detected: 2026-11-12 14:43 UTC
- [Source: https://status.telnyx.com/incidents/01M78301WP1PKBP0VBK4YTNB8Q](https://status.telnyx.com/incidents/01M78301WP1PKBP0VBK4YTNB8Q)
- [Company: Telnyx](https://rewindex.com/company/telnyx.md)
- Versions: before (none: first archived) → after incident\_version:705/01M78301WP1PKBP0VBK4YTNB8Q@72f60622326f
- Change 1 of 1 for this incident

Incident page (full timeline): [MS Teams outbound call drops due to IceConnectivityChecksFailed](https://rewindex.com/company/telnyx/incidents/01M78301WP1PKBP0VBK4YTNB8Q.md)
## What changed

**1. Added: Title**

```diff
+ MS Teams outbound call drops due to IceConnectivityChecksFailed
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ identified
```

**4. Added: Start time**

```diff
+ 2026-11-12 14:36 UTC
```

**5. Added: Update** (identified) · 2026-11-12 14:36 UTC

```diff
+ Microsoft Teams outbound calls to Telnyx are dropping 15–21 seconds after answer with IceConnectivityChecksFailed.  Our engineering team has identifed a root cause and is preparing a patch. We will update on the latest via the status page.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-11-12 14:36 UTC | Major incident: MS Teams outbound call drops due to IceConnectivityChecksFailed (this change) | major |

All Telnyx changes: [timeline](https://rewindex.com/company/telnyx/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._

## Cite this

Major incident: MS Teams outbound call drops due to IceConnectivityChecksFailed on Telnyx’s status page, changed 2026-11-12 14:36 UTC (change 1 of 1).

- Canonical URL: https://rewindex.com/change/i5a7ff823ab9b9e
- Citation: Telnyx, “Major incident: MS Teams outbound call drops due to IceConnectivityChecksFailed” (2026-11-12 14:36 UTC). Archived by Rewindex: https://rewindex.com/change/i5a7ff823ab9b9e (CC BY 4.0).
- Markdown link: `[Telnyx: Major incident: MS Teams outbound call drops due to IceConnectivityChecksFailed (2026-11-12)](https://rewindex.com/change/i5a7ff823ab9b9e)`


---
Canonical: https://rewindex.com/change/i5a7ff823ab9b9e · Markdown: https://rewindex.com/change/i5a7ff823ab9b9e.md · JSON: https://rewindex.com/api/v1/changes/i5a7ff823ab9b9e · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-13T02:17:42.594Z