SMS Delivery Failure to United Kingdom via Subset of Pre-Registered Sender ID

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery failures when sending messages to the United Kingdom via Pre-Registered Sender IDs. This incident has been resolved.

Posted Jul 15, 2025 - 14:58 PDT

Monitoring

We are observing recovery in SMS delivery failures when sending messages to the United Kingdom via Pre-Registered Sender IDs. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Jul 15, 2025 - 13:05 PDT

Update

We are continuing to investigate SMS delivery failures to the United Kingdom via Pre-Registered Sender IDs. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 8 hours or as soon as more information becomes available.

Posted Jul 15, 2025 - 08:24 PDT

Update

We are continuing to investigate SMS delivery failures to the United Kingdom via Pre-Registered Sender IDs. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 4 hours or as soon as more information becomes available.

Posted Jul 15, 2025 - 04:25 PDT

Update

We are continuing to investigate SMS delivery failures to the United Kingdom via Pre-Registered Sender IDs. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Jul 15, 2025 - 02:26 PDT

Investigating

We are experiencing SMS delivery failures to the United Kingdom via Pre-Registered Sender IDs. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Jul 15, 2025 - 01:32 PDT

This incident affected: CARRIER NETWORK (SMS, Europe) and Sender ID.