Outage in Ciptex

Twilio - Inbound SIP Calls With OPUS Codec Only Blocked

Resolved Minor

September 15, 2026 - Started about 24 hours ago - Lasted about 3 hours
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.

Components affected

Ciptex NOC General Notifications

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Latest Updates ( sorted recent to last )

RESOLVED about 21 hours ago - at 09/15/2026 11:02PM

Following comprehensive monitoring, we can confirm that the incident has been fully resolved and all services have returned to normal operation.

MONITORING about 21 hours ago - at 09/15/2026 10:28PM

Twilio engineers have implemented a fix and are monitoring system performance. We will provide another update in 2 hours or as soon as more information becomes available.

MONITORING about 24 hours ago - at 09/15/2026 08:17PM

Twilio have identified an issue whereby some calls made to Twilio using Programmable Voice SIP interfaces and OPUS codec may unexpectedly be rejected. Customers may see a SIP 488 responses for those requests. The Twilio engineering team is working on a fix. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 24 hours ago - at 09/15/2026 08:13PM

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