Vonage incident

IR27205 - Outbound calls to China failing to connect from outside China

Minor Resolved View vendor source →

Vonage experienced a minor incident on September 25, 2025 affecting Outbound Voice Interactions and Outbound Voice Interactions and 1 more component, lasting 7h 50m. The incident has been resolved; the full update timeline is below.

Started
Sep 25, 2025, 08:50 AM UTC
Resolved
Sep 25, 2025, 04:40 PM UTC
Duration
7h 50m
Detected by Pingoru
Sep 25, 2025, 08:50 AM UTC

Affected components

Outbound Voice InteractionsOutbound Voice InteractionsOutbound Voice InteractionsOutbound Voice InteractionsOutbound Voice InteractionsOutbound Voice Interactions

Update timeline

  1. investigating Sep 25, 2025, 08:50 AM UTC

    We are currently aware of an ongoing issue affecting outbound calling using non-Chinese number to call China. Our Incident Management team is investigating the issue with priority.

  2. identified Sep 25, 2025, 09:12 AM UTC

    We have identified the problem affecting calling China. We are working with our partner carriers to fully recover the service.

  3. monitoring Sep 25, 2025, 11:31 AM UTC

    Service is now recovered and we are monitoring. Please remember to follow the following rules when calling China, in order to prevent your callback numbers from being blocked by Chinese Operators: - Make no calls with a duration shorter than 3 minutes. - Make no unsolicited marketing calls. - Make minimal repeat calls from the same number in a rolling hour. - Make no calls from invalid, modified or spoofed origination (From) numbers.

  4. resolved Sep 25, 2025, 04:40 PM UTC

    This issue has been resolved. If you are still experiencing issues please contact support.