# Zoom: Service Degradation Affecting Zoom Phone Outbound Calls in China Region

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-09-16 04:00 UTC · Resolved: 2026-09-16 04:35 UTC · Duration: 36 min
- Updates: 4 · Affected components: Calling (Inbound/Outbound), Zoom Phone - HONG KONG/CHINA - Calling (Inbound/Outbound)
- [Vendor status page: https://stspg.io/wcdfkn8d887l](https://stspg.io/wcdfkn8d887l)
- [Company: Zoom](https://rewindex.com/company/zoom.md)

## Timeline of updates

- **investigating** 2026-09-16 04:00 UTC: We are currently investigating a service degradation affecting Zoom Phone outbound calls for users with phone numbers that have the +8621 prefix in China. Inbound calls not impacted. Our team is actively working to identify the impact and root cause. We will provide an update as soon as more information becomes available. We appreciate your patience as we work to resolve this issue.
- **identified** 2026-09-16 04:15 UTC: We have successfully identified the root cause affecting Zoom Phone outbound calls for users with phone numbers that have the +8621 prefix in China. Inbound calls not impacted. Our team is actively working on a resolution, and we will keep you informed with timely updates as progress is made.  Thank you for your patience.
- **monitoring** 2026-09-16 04:29 UTC: The issue affecting Zoom Phone outbound calls has been successfully resolved.  Our team will continue to monitor the situation closely and keep you informed of any further developments.
- **resolved** 2026-09-16 04:35 UTC: This incident has been resolved and the affected services have been restored.


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Canonical: https://rewindex.com/company/zoom/incidents/ytbj8471t5mg · Markdown: https://rewindex.com/company/zoom/incidents/ytbj8471t5mg.md · JSON: https://rewindex.com/api/v1/companies/zoom/incidents/ytbj8471t5mg · Generated 2026-10-18T12:34:48.605Z