SMS Delivery Affecting O2 Network Users

Incident Report for meddbase

Resolved

We have been informed by our telecommunications provider that the issue has now been resolved and that inbound and outbound SMS traffic is now flowing.
Posted Oct 22, 2026 - 17:01 BST

Identified

We have been informed by our telecommunications provider that they are experiencing an issue affecting inbound and outbound SMS traffic (mobile-originated and mobile-terminated messages) on the O2 network.

Our provider is actively investigating with O2. Current indications are that the issue is limited to devices on the O2 mobile network, and they are working to confirm this.

We will share further updates as soon as we receive them.
Posted Oct 22, 2026 - 16:47 BST
This incident affected: UK Environment (Non-Critical Services).