Skip to content
OutageDeck

Incident detail

[US Deployments]: Duo Phone Call Authentication Failures for US Region

Resolved incidentMinor1 affected service

Timeline window

to

Outage alerts

Get alerted the next time Cisco Duo breaks

Free email alerts for up to 5 providers — no card, live in about a minute. Paid plans add Slack, Discord, and webhook delivery across your whole stack, plus higher API quotas.

Set up free alertsHow Cisco Duo alerts work

Timeline

Incident updates

Updates are normalized from the official source chronology so timeline changes remain easy to scan.

  1. Investigating

    We are currently investigating an issue causing an abnormal phone call authentication success rate for the US region.

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

  2. Monitoring

    The issue causing an abnormal phone call authentication success rate is tied to a third-party carrier. We are monitoring the third-party's communications at this time and can confirm that Duo telephony services are functioning as expected at this time.

  3. Resolved

    The issue causing an abnormal phone call authentication success rate has been resolved by the third-party carrier.