---
title: "Is Duo Phone Call Delivery down? Duo Phone Call Delivery status"
url: "https://www.openstatus.dev/status/duo/phone-call-delivery-35"
description: "Live Duo Phone Call Delivery status, uptime over the last 45 days and recent incidents, tracked by openstatus."
---

# Is Duo Phone Call Delivery down?

**Answer:** No, Duo Phone Call Delivery is not down. All Duo Phone Call Delivery systems are operational.

- Status: operational
- Checked: 2026-11-07T02:10:02Z
- User reports in the last 15 minutes: 0
- Part of: [Duo](/status/duo.md) / DUO1
- Official status page: https://status.duo.com
- About: Duo delivers phone calls through multiple telephony carriers.

## Last 45 days

2 of 2 tracked days without issues.

## Incidents affecting Phone Call Delivery

| Started | Incident | Impact | Duration |
| --- | --- | --- | --- |
| 2026-08-08 | [Duo Phone Call Authentication Failures - United States](https://stspg.io/7d70dz419kvq) | minor | 2h 54m |
| 2026-02-23 | [\[US Deployments\]: Duo Phone Call Authentication Failures for US Region](https://stspg.io/fckcy3h0p8jr) | minor | 4h 18m |
| 2025-10-20 | [All Deployments: Duo Phone Call and SMS Delivery Failure](https://stspg.io/6n75c2qyq7lj) | major | 2h 38m |
| 2025-08-18 | [India VoIP Failures](https://stspg.io/h6z45mpt5w92) | minor | 4h 2m |
| 2025-07-31 | [India VoIP Failures](https://stspg.io/spsw2crdw56x) | minor | 11h 47m |

## Links

- HTML page: /status/duo/phone-call-delivery-35
- Service: /status/duo.md