Outage in Ciptex

Flex 2.15 Token Refresh Issue - Calls dropping

Minor
December 11, 2025 - Started 1 day ago
Official incident page

Incident Report

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.

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Latest Updates ( sorted recent to last )
IDENTIFIED about 4 hours ago - at 12/12/2025 11:08PM

Twilio engineers are continuing to work on a fix for the high impact bug with Flex UI 2.15. Flex customers should avoid upgrading to Flex UI 2.15 until resolved. We expect to provide another update in 16 hours, or as soon as more information becomes available.

INVESTIGATING about 21 hours ago - at 12/12/2025 06:19AM

Twilio engineers are continuing to work on a fix for the high impact bug with Flex UI 2.15. Flex customers should avoid upgrading to Flex UI 2.15 until resolved. We expect to provide another update in 8 hours, or as soon as more information becomes available.

INVESTIGATING 1 day ago - at 12/11/2025 10:39PM

Twilio engineers are continuing to work on a fix for the high impact bug with Flex UI 2.15. Flex customers should avoid upgrading to Flex UI 2.15 until resolved. We expect to provide another update in 8 hours, or as soon as more information becomes available.

INVESTIGATING 1 day ago - at 12/11/2025 09:50PM

Twilio engineers have identified a high impact bug with Flex UI 2.15 where the Flex Token does not refresh before expiration, causing Voice SDK errors and Twilsock issues. This results in: Calls dropping, audio may fail, call controls become unresponsive, and agents may not receive calls. Flex customers should avoid upgrading to Flex UI 2.15 until resolved. They expect to provide another update in 1 hour or as soon as more information becomes available.

INVESTIGATING 1 day ago - at 12/11/2025 09:45PM

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.

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