# Vonage API: UK SMS - Delivery degradation of SMS traffic towards O2 UK Network

> SMS delivery to the O2 UK network is degraded. The affected components are SMS Europe and Global Connectivity - SMS Europe. Vonage API reports that the incident is resolved. The incident lasted 6 hours and 3 minutes.

- Provider: [Vonage API](https://outages.cc/vonage.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-11-05 17:45 UTC
- Resolved: 2026-11-05 23:48 UTC (lasted 6 h 3 min)
- Components: SMS Europe, Global Connectivity - SMS Europe
- Official update: https://stspg.io/v9dxpcvc0rxp

## Updates from Vonage API

### resolved, 2026-11-05 23:48 UTC

No text.

### monitoring, 2026-11-05 23:15 UTC

A fix has been implemented and we are monitoring the results.

### investigating, 2026-11-05 19:21 UTC

We are continuing to work with our carrier partners to resolve the issue. Please note that delivery is unaffected. Missing delivery reports.

### investigating, 2026-11-05 17:45 UTC

Please be advised that we are observing SMS delivery degradation towards O2 UK Network. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com