Call Failures From a Subset of AT&T Numbers to Twilio

Incident Report for Twilio

Resolved

The issue causing failures of inbound calls from a subset of AT&T subscribers in the Texas area to Twilio has been resolved, and the service is functioning normally at this time.

Posted Nov 03, 2023 - 13:01 PDT

Monitoring

We have started seeing recovery from the issue causing failures of inbound calls from a subset of AT&T subscribers in the Texas area to Twilio. We will continue to monitor to ensure a full recovery. We expect to provide another update in 24 hours or as soon as more information becomes available.

Posted Nov 02, 2023 - 16:31 PDT

Update

The issue causing call failures from a subset of AT&T subscribers in the Texas area to Twilio has been identified. We continue to work with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Nov 02, 2023 - 15:00 PDT

Identified

The issue causing call failures from a subset of AT&T subscribers in the Texas area to Twilio has been identified. We are actively working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Nov 02, 2023 - 14:00 PDT

Update

We are observing an issue with AT&T calls failing to Twilio, where callers are receiving a message reporting "all circuits are busy". We are currently working with our carrier partner to resolve the issue. We expect to provide another update in 30 minutes or as soon as more information becomes available.

Posted Nov 02, 2023 - 13:41 PDT

Investigating

We've become aware of a potential issue with inbound calls from AT&T subscribers failing. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Posted Nov 02, 2023 - 13:22 PDT

This incident affected: CARRIER NETWORK (Voice, North America).