Ciptex incident
SMS Delivery Delays from Twilio to H3G United Kingdom
Ciptex experienced a minor incident on September 1, 2026 affecting Twilio SMS, Europe, lasting 18h 42m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Sep 01, 2026, 01:17 PM UTC
Our customers may be experiencing SMS delivery delays from Twilio to H3G network subscribers in the United Kingdom. The cause has been identified, and we are working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
- identified Sep 01, 2026, 04:29 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to H3G network subscribers in the United Kingdom. Twilio team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
- resolved Sep 02, 2026, 08:00 AM UTC
The incident has been resolved and SMS delivery receipts from Twilio to H3G network subscribers in the United Kingdom is operating normally.