Ciptex incident
Twilio - One-Way Audio on Voice Calls from Network Subscribers to a Subset of Twilio UK Numbers
Ciptex experienced a minor incident on October 16, 2026 affecting Twilio Voice, Europe, lasting 6h 39m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 16, 2026, 09:54 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.
- investigating Oct 16, 2026, 09:56 AM UTC
Twilio customers may be experiencing silent calls and one-way audio from network subscribers in the United Kingdom to Twilio United Kingdom phone numbers. Twilio team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available
- investigating Oct 16, 2026, 11:05 AM UTC
Twilio customers may be experiencing voice call silent and one-way audio from network subscribers in the United Kingdom to Twilio United Kingdom Phone Numbers. Twilio is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
- resolved Oct 16, 2026, 04:16 PM UTC
The incident has been resolved and voice calls from Gamma network subscribers in the United Kingdom to a subset of Twilio United Kingdom Phone Numbers are operating normally.