Outage in Cisco Duo

India VoIP Failures

Resolved Minor
August 18, 2025 - Started about 16 hours ago - Lasted about 4 hours
Official incident page

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Outage Details

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.
Components affected
Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo SMS Message Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery Cisco Duo Phone Call Delivery
Latest Updates ( sorted recent to last )
RESOLVED about 12 hours ago - at 08/18/2025 03:27PM

Duo has confirmed that the phone call authentication failures affecting all deployments in India have been fully resolved.

INVESTIGATING about 16 hours ago - at 08/18/2025 11:25AM

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.

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