Ciptex incident

Twilio - Voice Calls Failures From Multiple Networks to a subset of Twilio Numbers in United Kingdom

Minor Resolved View vendor source →

Ciptex experienced a minor incident on January 27, 2026 affecting Twilio PSTN and Twilio Voice, Europe, lasting 11h 42m. The incident has been resolved; the full update timeline is below.

Started
Jan 27, 2026, 10:49 PM UTC
Resolved
Jan 28, 2026, 10:31 AM UTC
Duration
11h 42m
Detected by Pingoru
Jan 27, 2026, 10:49 PM UTC

Affected components

Twilio PSTNTwilio Voice, Europe

Update timeline

  1. investigating Jan 27, 2026, 10:49 PM 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 Jan 27, 2026, 10:51 PM UTC

    Twilio are observing Voice Calls Failures From Multiple Networks to a subset of Twilio Numbers in United Kingdom. Twilio are currently working with their carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

  3. monitoring Jan 27, 2026, 11:44 PM UTC

    Twilio have started seeing recovery for Voice Calls Failures From Multiple Networks to a subset of Twilio Numbers in United Kingdom. They will continue to monitor to ensure a full recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

  4. investigating Jan 28, 2026, 04:27 AM UTC

    Twilio are continuing to observe voice call failures from multiple networks to a subset of Twilio numbers in the United Kingdom. They are currently working with their carrier partner to resolve the issue. We expect to provide another update in 4 hours or as soon as more information becomes available.

  5. monitoring Jan 28, 2026, 08:12 AM UTC

    Twilio has started seeing recovery for voice calls from multiple networks to a subset of Twilio numbers in the United Kingdom. Twilio will continue to monitor to ensure a full recovery. We expect to provide another update in 4 hours or as soon as more information becomes available.

  6. resolved Jan 28, 2026, 10:31 AM UTC

    Voice Calls Failures From Multiple Networks to a subset of Twilio Numbers in the United Kingdom have been resolved and are operating normally at this time.