Ciptex incident
Twilio - Elevated Call Failures over Twilio Interconnect in US1 region
Ciptex experienced a minor incident on December 19, 2025 affecting Twilio SIP Interface and Twilio PSTN, lasting 7h 18m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Dec 19, 2025, 04:09 PM UTC
Twilio are investigating elevated call failures over Twilio Interconnect in US1 region. We expect to provide another update in 1 hour or as soon as more information becomes available
- investigating Dec 19, 2025, 04:58 PM UTC
We are continuing to investigate this issue.
- investigating Dec 19, 2025, 06:56 PM UTC
Twilio are still investigating elevated call failures over Twilio Interconnect in US1 region. We expect to provide another update in 2 hours or as soon as more information becomes available
- investigating Dec 19, 2025, 08:46 PM UTC
Twilio are still investigating elevated call failures over Twilio Interconnect in US1 region. We expect to provide another update in 4 hours or as soon as more information becomes available
- resolved Dec 19, 2025, 11:28 PM UTC
The issue with elevated call failures has been resolved and calls over Twilio Interconnect in US1 region is operating normally at this time.