Subset of Inbound Calls from AT&T are Failing Shaken/Stir Verification

This incident has been resolved.

We have started seeing recovery for Shaken/Stir verification failures for inbound calls originating from the AT&T network the United States. We will continue to monitor to ensure a full recovery. We expect to provide another update in 30 minutes or as soon as more information becomes available.

Twilio customers may be experiencing Shaken/Stir verification failures for inbound calls originating from the AT&T network the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

Twilio customers may be experiencing Shaken/Stir verification failures for inbound calls originating from the AT&T network the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

Our monitoring systems have detected a potential issue with Shaken/Stir validation for a subset of inbound calls. Our engineers have been alerted and are investigating. We will provide an update when we have more details.