What is Cisco Duo Phone Call Delivery current status?

Cisco Duo Phone Call Delivery is currently operational. You can check Cisco Duo Phone Call Delivery status and current incidents and outages on the top of the page. The status is updated in almost real-time, and you can see the issues affecting customers.

How to monitor or check Cisco Duo Phone Call Delivery status?

You can use IsDown service or go to Cisco Duo official status page. Some accounts also use Twitter to communicate the status.

How can I be notified when Cisco Duo Phone Call Delivery is having issues or undergoing maintenance?

You can create an account in IsDown and monitor multiple services or subscribe for updates on the official status page. IsDown will send you a notification in real-time when Cisco Duo Phone Call Delivery has issues. Cisco Duo official status page might also offer notification options such as email, SMS, or Slack.

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Is Cisco Duo Phone Call Delivery Down? Check current status

Q: Is Cisco Duo Phone Call Delivery down today?

Cisco Duo Phone Call Delivery was not down today according to the official status page. In the last 24 hours, there were 0 outages reported. IsDown continuously monitors the Cisco Duo status page, looking for the latest outages and issues affecting customers. Check all recent outages in the section 'Latest Cisco Duo Phone Call Delivery outages, issues and problems' at the top of the page.

Check if Cisco Duo Phone Call Delivery is down, official outages, user-reported issues, and outages map.

Current Cisco Duo Phone Call Delivery status

Cisco Duo Phone Call Delivery is working normally

Updated from Cisco Duo official status page 1 minute 47 seconds ago

Phone Call Delivery is a component of Cisco Duo ›

Cisco Duo Phone Call Delivery service health. Issues reported in the last 24 hours

Working Normally

Possible Incident

Confirmed Outage

This chart displays the number of user-reported issues 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. We only consider an issue widespread if there are multiple reports within a short timeframe. Sign up for free to see more Cisco Duo status data.

View Cisco Duo Outage Reports Map

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Cisco Duo Phone Call Delivery recent outages and downtime history

IsDown has tracked 33 incidents for Cisco Duo Phone Call Delivery since started monitoring Cisco Duo status in February 2021. We collect data from 4522+ services, and normalize the data to give you a clear picture of the impact of the outage.

Date	Incident	Duration
Aug 18, 2025 01:25 PM CEST	Minor India VoIP Failures We are currently investigating an issue causing phone call authentication failures in India on al...	about 4 hours
Jul 31, 2025 02:04 PM CEST	Minor India VoIP Failures We are currently investigating an issue causing phone call authentication failures in India on al...	about 12 hours
Jul 30, 2025 11:30 AM CEST	Minor India VoIP Failures We are currently investigating an issue causing phone call authentication failures in India on al...	about 2 hours
Jul 28, 2025 02:00 PM CEST	Minor India VoIP failures We are currently investigating an issue causing phone call authentication failures in India on al...	about 2 hours
Jul 24, 2025 03:44 PM CEST	Major GB VoIP Failures We are currently investigating an issue caused by our UK telephony providers regarding VoIP failu...	about 11 hours
Jun 11, 2025 10:33 AM CEST	Minor All Deployments: Duo Phone Call Authentication Failure for India Region We are currently investigating an issue causing phone call authentication failures In India on al...	about 1 hour
May 13, 2025 04:54 PM CEST	Minor All Deployments: Degradation in India VOIP services We are currently investigating an issue causing degradation in India VOIP services resulting in M...	about 6 hours
Apr 02, 2025 03:54 PM CEST	Minor All Deployments: Duo Phone Call Authentication Failures for India We are currently investigating an issue causing intermittent phone call failures in India. While...	22 minutes
Mar 31, 2025 05:49 PM CEST	Minor All Deployments: Duo Phone Call Authentication Failure for US Region We are currently investigating an issue causing intermittent phone call failures in the US region...	31 minutes
Feb 13, 2025 07:45 PM CET	Major All Deployments: Core Authentication Service, Admin Panel logins, Device Management Portal, Risk-... We are currently investigating an issue causing Admin Panel login and SMS/Phone Call delivery fai...	about 7 hours

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Monitoring Cisco Duo since February 2021

Phone Call Delivery is part of Cisco Duo. Check the Cisco Duo's status.

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11 incidents in 2025

Frequently Asked Questions

Is Cisco Duo Phone Call Delivery down today?

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.

What is the current Cisco Duo Phone Call Delivery status?

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.

Is there a Cisco Duo Phone Call Delivery outage now?

No, there is no ongoing official outage. Check on the top of the page if there are any reported problems by other users.

Is Cisco Duo Phone Call Delivery down today or just slow?

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.

How are Cisco Duo Phone Call Delivery outages detected?

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.

Is Cisco Duo Phone Call Delivery having an outage right now?

Cisco Duo Phone Call Delivery last outage was on August 18, 2025 with the title "India VoIP Failures"

How IsDown compares to DownDetector when monitoring Cisco Duo?

IsDown and DownDetector help users determine if Cisco Duo 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 instead of just relying on reports from users. The integration allows us to provide more details about Cisco Duo's Outages, 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.