Zoom incident
Service Degradation Affecting Zoom Phone Outbound Calls in China Region
Zoom experienced a minor incident on September 16, 2026 affecting Calling (Inbound/Outbound), lasting 35m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 16, 2026, 04:00 AM 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 Sep 16, 2026, 04:15 AM 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 Sep 16, 2026, 04:29 AM 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 Sep 16, 2026, 04:35 AM UTC
This incident has been resolved and the affected services have been restored.