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Outage in Twilio

SIP Registration Failure on iOS Bria Softphone

Resolved Minor
May 04, 2026 - Started about 1 month ago - Lasted about 2 hours
Official incident page

Incident Report

Summary AI Generated

Twilio experienced SIP registration failures affecting iOS Bria Softphone users, who encountered 503/32008 errors while PC and Android devices with identical configurations worked normally. After a 1.9-hour investigation, Twilio determined their services were operating correctly and the issue was specific to the interaction between Bria iOS and the Twilio registrar. The incident was resolved with confirmation that Twilio infrastructure remained fully functional throughout.

We are currently investigating a service disruption that is causing SIP registration failures with 503/32008 errors on iOS Bria Softphone, while the same configurations work on PC and Android devices. The current workaround is to use a PC or Android device for SIP registration. We expect to provide another update in 2 hours or as soon as more information becomes available.

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Latest Updates ( sorted recent to last )
RESOLVED about 1 month ago - at 05/04/2026 09:54AM

Following a thorough investigation, we can confirm that Twilio’s services are operating as expected. The SIP registration issue appears to be specific to the interaction between Bria iOS and the Twilio registrar. No action is required for other platforms, and Twilio infrastructure is fully functional.

IDENTIFIED about 1 month ago - at 05/04/2026 08:03AM

We are currently investigating a service disruption that is causing SIP registration failures with 503/32008 errors on iOS Bria Softphone, while the same configurations work on PC and Android devices. The current workaround is to use a PC or Android device for SIP registration. We expect to provide another update in 2 hours or as soon as more information becomes available.

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