Ciptex incident
Twilio - Voice Call Failures and Dialing Delays to Verizon in the United States
Ciptex experienced a minor incident on January 14, 2026 affecting Twilio PSTN and Twilio Voice, North America, lasting 10h 11m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jan 14, 2026, 07:52 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.
- investigating Jan 14, 2026, 07:55 PM UTC
Twilio are experiencing voice call failures and dialing delays when placing calls to Verizon in the United States. Their engineers are working with their carrier partners to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.
- investigating Jan 14, 2026, 09:04 PM UTC
Twilio continue to experience voice call failures and dialing delays when placing calls to Verizon in the United States. Their engineers are working with their carrier partners to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.
- investigating Jan 15, 2026, 12:21 AM UTC
Twilio continue to experience voice call failures and dialing delays when placing calls to Verizon in the United States. Their engineers are working with their carrier partners to resolve the issue. We expect to provide another update in 6 hours or as soon as more information becomes available.
- resolved Jan 15, 2026, 06:04 AM UTC
The issue affecting voice calls and dialling when placing calls to Verizon in the United States has been resolved, and the service is functioning normally at this time.