Twilio - Some Transfer Calls in Elastic SIP Trunking Failing With Error Code 32204

Incident Report for Ciptex

Resolved

Following comprehensive monitoring, we can confirm that the incident has been fully resolved and all services have returned to normal operation.
Posted Sep 24, 2026 - 19:05 BST

Update

Transfer calls done via SIP REFER in Elastic SIP Trunking is Failing With Error Code 32204. Twilio engineers are actively working on this and will provide an update in 1 hour or as soon as more information is available.
Posted Sep 24, 2026 - 18:46 BST

Investigating

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.
Posted Sep 24, 2026 - 18:42 BST
This incident affected: Twilio (Twilio Elastic SIP Trunking).