Twilio outage on 2026-08-27: Voice Call Post Dial Delay and Failures from a Subset of Twilio Phone Numbers to United Kingdom

Twilio customers may be experiencing voice call post dial delay and failures from a subset of Twilio Phone Numbers to network subscribers in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.