# Sinch Voice API and SIP Trunk Calling - Service Interruption

- Provider: [Sinch](https://down.guide/sinch)
- Level: confirmed
- Impact: Degraded
- lasted 4h 41m
- started 2026-05-21 16:57 UTC
- Data Calling, Phone Calling (PSTN), Video Calling +1
- us
- id: DWN-852f3c573a
- Official page: https://stspg.io/nrqzdc3gzg9j

## Updates from Sinch
### 2026-05-21 16:57 UTC: monitoring
Sinch experienced a brief interruption in voice calls that originate both via API and SIP.
Incident Start Time: 2026-05-21 14:30 UTC
Incident Restoration Time: 2026-05-21 15:45 UTC
Please note all services have been restored at this time.
If you experience further issues or need additional information, please reach out to us at support@sinch.com.

### 2026-05-21 21:38 UTC: resolved
This incident has been resolved.
Incident Start Time: 2026-05-21 14:30 UTC
Incident End Time: 2026-05-21 15:45 UTC

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