Twilio incident
Voice Call Failures from a Subset of Twilio Mobile Numbers to Vodafone United Kingdom
Resolved after 16 hours 53 minutes, affecting Voice, Europe, on September 28, 2026.
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.
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.
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