# India VoIP failures

- Provider: [Duo Security](https://down.guide/duo)
- Level: confirmed
- Impact: Degraded
- lasted 1h 51m
- started 2025-07-28 12:00 UTC
- Phone Call Delivery, Phone Call Delivery, Phone Call Delivery +76
- in
- id: DWN-c6da3aba7a
- Official page: https://stspg.io/s41kclsn43rr

## Updates from Duo Security
### 2025-07-28 12:00 UTC: investigating
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.

### 2025-07-28 13:25 UTC: monitoring
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.

### 2025-07-28 13:51 UTC: resolved
The issue causing VoIP authentication failures in India is now fully resolved.

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