Ciptex incident

Voice Call Failures from a Subset of Twilio Phone Numbers to Vodafone United Kingdom

Minor Resolved View vendor source →

Ciptex experienced a minor incident on September 28, 2026 affecting Twilio Voice, Europe, lasting 16h 55m. The incident has been resolved; the full update timeline is below.

Started
Sep 28, 2026, 10:46 AM UTC
Resolved
Sep 29, 2026, 03:42 AM UTC
Duration
16h 55m
Detected by Pingoru
Sep 28, 2026, 10:46 AM UTC

Affected components

Twilio Voice, Europe

Update timeline

  1. investigating Sep 28, 2026, 10:46 AM UTC

    We have detected potential service disruption through our monitoring systems and are actively investigating. A detailed assessment of the impact and affected services will be provided within the next 30 minutes.

  2. investigating Sep 28, 2026, 10:48 AM UTC

    Our 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, and we will provide another update in 1 hour or as soon as more information becomes available.

  3. investigating Sep 28, 2026, 12:24 PM UTC

    Our 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, and we will provide another update in 2 hours or as soon as more information becomes available.

  4. investigating Sep 28, 2026, 02:15 PM UTC

    Our 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, and we will provide another update in 4 hours or as soon as more information becomes available.

  5. investigating Sep 28, 2026, 07:59 PM UTC

    Our 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, and we will provide another update in 8 hours or as soon as more information becomes available.

  6. monitoring Sep 28, 2026, 10:27 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.

  7. monitoring Sep 28, 2026, 10:53 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 8 hours or as soon as more information becomes available.

  8. resolved Sep 29, 2026, 03:42 AM UTC

    Following comprehensive monitoring, we can confirm that the incident has been fully resolved and all services have returned to normal operation.