# Service Degradation – Calling – AP-Southeast-1

- Provider: [Sinch](https://down.guide/sinch)
- Level: confirmed
- Impact: Major outage
- lasted 2h 56m
- started 2026-09-22 05:40 UTC
- Data Calling, Phone Calling (PSTN), Video Calling +1
- ap-southeast-1, us
- id: DWN-fe0729428f
- Official page: https://stspg.io/cbj5vjc9868r

## Updates from Sinch
### 2026-09-22 05:40 UTC: investigating
We want to inform you that we are currently experiencing a performance degradation impacting our Calling services in the AP-Southeast-1 region.
Incident Start Time: 2026-09-22 04:50 UTC
Impact: Customers may experience delayed or failed attempts via In-app Calling / PSTN Calling/ Video Calling and SIP Trunk .
We sincerely apologize for any inconvenience this may cause and appreciate your understanding while we work to resolve the issue.
For further information or assistance, please contact us at support@sinch.com.

### 2026-09-22 07:09 UTC: investigating
We are continuing to investigate this issue.

### 2026-09-22 08:15 UTC: monitoring
A fix has been implemented and we are monitoring the results.

### 2026-09-22 08:36 UTC: resolved
This incident has been resolved.
Incident Start Time: 2026-09-22 04:50 UTC
Incident End Time: 2026-09-22 07:23 UTC

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