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Zoom · Apps and SaaSSep 16, 2026, 04:00 UTC

Service Degradation Affecting Zoom Phone Outbound Calls in China Region

MinorNot disclosedUpdated 20h ago
Sep 16, 04:00 UTCSep 16, 04:35 UTC
Duration
36m
Impact
Minor
Root cause
Not disclosed
Zoom, 90 days
64 incidents
Affected
Calling (Inbound/Outbound)Zoom Phone - HONG KONG/CHINA - Calling (Inbound/Outbound)
Status page

Final update

This incident has been resolved and the affected services have been restored.

Timeline

  1. Resolved · Sep 16, 04:35 UTC
    This incident has been resolved and the affected services have been restored.
  2. Monitoring · Sep 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.
  3. Identified · Sep 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.
  4. Investigating · Sep 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.

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Full history

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