This page shows the live Cisco Duo Phone Call Delivery status so you can confirm in seconds if Cisco Duo Phone Call Delivery is down.
Cisco Duo Phone Call Delivery is operational
IsDown pulls data from the official status page every few minutes and collects user-reported Cisco Duo Phone Call Delivery issues.
Refresh the page to see the latest updates.
This chart displays the number of user-reported Cisco Duo Phone Call Delivery problems over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem.
Know the moment Cisco Duo and other vendors go down
IsDown has tracked 27 incidents for Cisco Duo Phone Call Delivery since started monitoring Cisco Duo downtimes in February 2021. We are also collecting data from 4000+ services, and normalize the data to give you a clear picture of the impact of the outage.
about 1 month ago · lasted 22 minutes
We are currently investigating an issue causing intermittent phone call failures in India. While we investigate this, please use alternate authentication methods such as Duo Push, Duo Mobile Passcodes, Hardware Token etc. to login to your Duo-pro...
about 1 month ago · lasted 31 minutes
We are currently investigating an issue causing intermittent phone call failures in the US region. While we investigate this, please use alternate authentication methods such as Duo Push, Duo Mobile Passcodes, Hardware Token etc. to login to your...
3 months ago · lasted about 7 hours
We are currently investigating an issue causing Admin Panel login and SMS/Phone Call delivery failures across all deployments. If you can access your Admin Panel, please utilize our other MFA methods such as Push, Passcodes, Hardware Tokens, and ...
3 months ago · lasted about 22 hours
We are currently investigating an issue causing intermittent phone call delivery failures in the UK region. While we investigate this, please use alternate authentication methods such as Duo Push, Duo Mobile Passcodes, Hardware Token etc to login...
9 months ago · lasted about 3 hours
We are currently investigating a degraded state for calls in India.
We've tracked and collected 27 incidents for Cisco Duo Phone Call Delivery since started monitoring Cisco Duo status
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Number of Incidents
0 issues
Last incident
35 days ago
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Cisco Duo Phone Call Delivery isn't down. You can check Cisco Duo Phone Call Delivery status and incident details on the top of the page. IsDown continuously monitors Cisco Duo Phone Call Delivery official status page every few minutes. In the last 24 hours, there were 0 outages reported.
Cisco Duo Phone Call Delivery is currently operational. You can check Cisco Duo Phone Call Delivery status and incident details on the top of the page. The status is updated in almost real-time, and you can see the latest outages and issues affecting customers.
No, there is no ongoing official outage. Check on the top of the page if there are any reported problems by other users.
Currently there's no report of Cisco Duo Phone Call Delivery being slow. Check on the top of the page if there are any reported problems by other users.
IsDown monitors the Cisco Duo Phone Call Delivery official status page every few minutes. We also get reports from users like you. If there are enough reports about an outage, we'll show it on the top of the page.
Cisco Duo Phone Call Delivery last outage was on April 02, 2025 with the title "All Deployments: Duo Phone Call Authentication Failures for India"
IsDown and DownDetector help users determine if a service is having problems. The big difference is that IsDown is a status page aggregator. IsDown monitors a service's official status page to give our customers a more reliable source of information. The integration allows us to provide more details about the outage, like incident title, description, updates, and the parts of the affected service. Additionally, users can create internal status pages and set up notifications for all their third-party services.
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