Outage in Cisco Duo

Duo Support Phone System Issue

Resolved Major
December 23, 2025 - Started 8 days ago - Lasted about 1 hour
Official incident page

Incident Report

Duo Support is currently investigating an issue disrupting call connectivity between customers and our Support Engineers. We are working with the appropriate teams to address the core issue. If you need to contact Duo Support, we recommend contacting us via alternative channels of Email (support@duo.com) and Support Portal.
Components affected
Cisco Duo Phone Support

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Latest Updates ( sorted recent to last )
RESOLVED 8 days ago - at 12/23/2025 08:59AM

The issue affecting call connectivity between customers and our Support Engineers has been resolved.

MONITORING 8 days ago - at 12/23/2025 08:33AM

A fix has been implemented to resolve the call connectivity issue between customers and our Support Engineers. We are currently monitoring the situation with the appropriate teams to ensure continued service stability.

IDENTIFIED 8 days ago - at 12/23/2025 07:56AM

Duo Support has identified the issue disrupting call connectivity between customers and our Support Engineers and is actively working with the appropriate teams to address the core issue. If you need to contact Duo Support, we recommend using alternative channels such as email (support@duo.com) or the Support Portal. We apologize for the inconvenience and appreciate your patience as we work to resolve this issue.

INVESTIGATING 8 days ago - at 12/23/2025 07:35AM

Duo Support is currently investigating an issue disrupting call connectivity between customers and our Support Engineers. We are working with the appropriate teams to address the core issue. If you need to contact Duo Support, we recommend contacting us via alternative channels of Email (support@duo.com) and Support Portal.

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