Duo Security incident

India VoIP Failures

Minor Resolved View vendor source →

Duo Security experienced a minor incident on July 30, 2025 affecting Phone Call Delivery and Phone Call Delivery and 1 more component, lasting 1h 44m. The incident has been resolved; the full update timeline is below.

Started
Jul 30, 2025, 09:30 AM UTC
Resolved
Jul 30, 2025, 11:14 AM UTC
Duration
1h 44m
Detected by Pingoru
Jul 30, 2025, 09:30 AM UTC

Affected components

Phone Call DeliveryPhone Call DeliveryPhone Call DeliveryPhone Call DeliveryPhone Call DeliveryPhone Call DeliveryPhone Call DeliveryPhone Call DeliveryPhone Call DeliveryPhone Call Delivery

Update timeline

  1. investigating Jul 30, 2025, 09:30 AM UTC

    We are currently investigating an issue causing phone call authentication failures in India on all of our deployments and are working to correct the issue as soon as possible. Please check back here or subscribe to updates for any changes.

  2. monitoring Jul 30, 2025, 10:24 AM UTC

    The issue causing VoIP authentication failures in India appears to be resolved. We are continuing to monitor the situation closely and will post any updates when the incident is considered fully resolved

  3. resolved Jul 30, 2025, 11:14 AM UTC

    The issue causing VoIP authentication failures in India is now fully resolved.