Outage in Cisco Duo

SMS, Phone Call, Push delivery failures due to ongoing carrier outages

Resolved Minor
January 14, 2026 - Started 2 days ago - Lasted about 11 hours
Official incident page

Incident Report

There has been an uptick in authentication failures using SMS, Phone Call, and Push as there are ongoing phone carrier outages. Please attempt to leverage our other approved MFA methods, such as Duo Mobile Passcodes, Hardware Tokens, and Security Keys, or move your mobile device to a WiFi connection so that Pushes can be properly received. Please check back here or subscribe to updates for any changes.

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Latest Updates ( sorted recent to last )
RESOLVED 2 days ago - at 01/15/2026 06:16AM

According to our telephony service provider, the issue affecting SMS, Phone Call, and Push delivery has been resolved. Currently our services are now back to normal.

MONITORING 2 days ago - at 01/15/2026 04:30AM

We are starting to see recovery post the fix implemented by our service provider for the issue affecting SMS, Phone Call, and Push delivery.

Please feel free to check back here or subscribe to updates for the latest information regarding any changes or resolutions.

IDENTIFIED 2 days ago - at 01/14/2026 08:01PM

We have confirmed that the authentication failures using SMS, Phone Call, and Push are due to ongoing cellular carrier outages.

Please attempt to leverage our other approved MFA methods, such as Duo Mobile Passcodes, Hardware Tokens, and Security Keys, or move your mobile device to a WiFi connection so that Pushes can be properly received.

INVESTIGATING 2 days ago - at 01/14/2026 07:35PM

There has been an uptick in authentication failures using SMS, Phone Call, and Push as there are ongoing phone carrier outages.

Please attempt to leverage our other approved MFA methods, such as Duo Mobile Passcodes, Hardware Tokens, and Security Keys, or move your mobile device to a WiFi connection so that Pushes can be properly received.

Please check back here or subscribe to updates for any changes.

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