Outage in Cisco Duo
India VoIP Failures
Resolved MinorIncident Report
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 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 Cisco Duo Phone Call DeliveryTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
9 months ago - at 07/31/2025 11:50PM
The issue causing VoIP authentication failures in India is resolved and VoIP authentication services are functioning as expected.
MONITORING
9 months ago - at 07/31/2025 09:49PM
We are now observing high rates of success of VoIP authentication in India. We will continue to monitor the authentications and post any updates if the situation changes or if the incident is considered fully resolved.
IDENTIFIED
9 months ago - at 07/31/2025 06:27PM
We have identified the cause of the VoIP authentication failures in India and are working on a solution. In the meantime, a workaround has been applied and we are seeing increased success rates.
Please check back here or subscribe to updates for any changes.
INVESTIGATING
9 months ago - at 07/31/2025 12:04PM
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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