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Twilio · Apps and SaaSSep 23, 2026, 19:34 UTC

Voice Call Failures From a Subset of Twilio Phone Numbers to Vodafone in the United Kingdom of Great Britain and Northern Ireland

MinorNot disclosedUpdated 7h ago
Sep 23, 19:34 UTCSep 24, 23:20 UTC
Duration
27h 46m
Impact
Minor
Root cause
Not disclosed
Twilio, 90 days
554 incidents
Affected
Voice, EuropeCARRIER NETWORK - Voice, Europe
Status page

Final update

The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to network subscribers in the United Kingdom of Great Britain and Northern Ireland are operating normally.

Timeline

  1. Resolved · Sep 24, 23:20 UTC
    The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to network subscribers in the United Kingdom of Great Britain and Northern Ireland are operating normally.
  2. Monitoring · Sep 24, 21:19 UTC
    We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to Vodafone network subscribers in the United Kingdom of Great Britain and Northern Ireland and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
  3. Identified · Sep 24, 18:31 UTC
    Twilio customers may be experiencing voice call failures from Twilio Mobile Numbers to Vodafone network subscribers in the United Kingdom of Great Britain and Northern Ireland. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
  4. Identified · Sep 24, 16:30 UTC
    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in the United Kingdom of Great Britain and Northern Ireland. 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.
  5. Identified · Sep 24, 15:29 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 has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
  6. Identified · Sep 24, 10:38 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 has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.
  7. Identified · Sep 24, 02:38 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 has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
  8. Identified · Sep 23, 22:38 UTC
    Twilio customers may be experiencing voice call failures from a subset of Twilio Mobile Numbers to Vodafone network subscribers in the United Kingdom of Great Britain and Northern Ireland. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
  9. Identified · Sep 23, 20:37 UTC
    Twilio customers may be experiencing voice call failures from Twilio Mobile Numbers to Vodafone network subscribers in the United Kingdom of Great Britain and Northern Ireland. 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.
  10. Identified · Sep 23, 19:35 UTC
    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to Vodafone network subscribers in the United Kingdom of Great Britain and Northern Ireland. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
  11. Investigating · Sep 23, 19:34 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.

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