# India VoIP Failures

- Provider: [Duo Security](https://down.guide/providers/duo)
- Confidence: Confirmed
- Impact: Degraded
- lasted 4h 2m
- started 2025-08-18 11:25 UTC
- Phone Call Delivery, Phone Call Delivery, Phone Call Delivery +76
- in
- id: DWN-a4d6237391
- Official page: https://stspg.io/h6z45mpt5w92

## Updates from Duo Security
### 2025-08-18 11:25 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.

### 2025-08-18 15:27 UTC: resolved
Duo has confirmed that the phone call authentication failures affecting all deployments in India have been fully resolved.

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