Twilio incident
Voice Call Failures from a Subset of Twilio Mobile Numbers to Vodafone United Kingdom
Twilio experienced a minor incident on September 28, 2026 affecting Voice, Europe, lasting 16h 53m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 28, 2026, 10:45 AM UTC
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to Vodafone network subscribers in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- investigating Sep 28, 2026, 11:48 AM UTC
Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Vodafone network subscribers in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
- investigating Sep 28, 2026, 01:50 PM UTC
Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Vodafone network subscribers in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.
- investigating Sep 28, 2026, 05:56 PM UTC
Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to Vodafone network subscribers in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 8 hours or as soon as more information becomes available.
- monitoring Sep 28, 2026, 09:30 PM UTC
We have observed a recovery in voice calls from a subset of Twilio Mobile Numbers to Vodafone network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Sep 28, 2026, 11:36 PM UTC
We have observed a recovery in voice calls from a subset of Twilio Mobile Numbers to Vodafone network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- resolved Sep 29, 2026, 03:38 AM UTC
The incident has been resolved and voice calls from a subset of Twilio Mobile Numbers to Vodafone network subscribers in the United Kingdom are operating normally.