SMS Delivery Report Delays to Verizon Network in the US for a subset of Toll Free and Short Code Numbers

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery delays to Verizon Network in the US for a subset of Toll Free Numbers. This incident has been resolved.

Posted Oct 31, 2024 - 01:08 PDT

Update

We continue to observe a recovery from the SMS delivery report delays when sending messages to Verizon Network in the US for a subset of Toll Free Numbers. We are monitoring the service to ensure a full recovery, and we will provide another update in 2 hours or as soon as more information becomes available.

Posted Oct 31, 2024 - 00:44 PDT

Monitoring

We have observed a recovery from the SMS delivery report delays when sending messages to Verizon Network in the US for a subset of Toll Free Numbers. We are monitoring the service to ensure a full recovery, and we will provide another update in 2 hours or as soon as more information becomes available.

Posted Oct 30, 2024 - 22:43 PDT

Update

We are still experiencing SMS delivery report delays when sending messages to Verizon Network in the US for a subset of Toll Free Numbers. Our engineers have identified impact over a subset of shortcodes associated with this same situation. Our engineers are working with our carrier partner to resolve the issue. We can confirm that SMS delivery is not impacted by this incident. We will provide another update in 8 hours or as soon as more information becomes available.

Posted Oct 30, 2024 - 14:47 PDT

Update

We are still experiencing SMS delivery report delays when sending messages to Verizon Network in the US for a subset of Toll Free Numbers. Our engineers are working with our carrier partner to resolve the issue. We can confirm that SMS delivery is not impacted by this incident. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Oct 30, 2024 - 12:41 PDT

Update

We are still experiencing SMS delivery report delays when sending messages to Verizon Network in the US for a subset of Toll Free Numbers. Our engineers are working with our carrier partner to resolve the issue. We can confirm that SMS delivery is not impacted by this incident. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Oct 30, 2024 - 10:46 PDT

Update

We are experiencing SMS delivery report delays when sending messages to Verizon Network in the US for a subset of Toll Free Numbers. Our engineers are working with our carrier partner to resolve the issue. We can confirm that SMS delivery is not impacted by this incident. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Oct 30, 2024 - 09:49 PDT

Investigating

We've become aware of a potential issue with SMS Delivery Delays to Verizon Network in the US for a subset of Toll Free Numbers. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Posted Oct 30, 2024 - 09:05 PDT

This incident affected: CARRIER NETWORK (SMS Short Code, North America, SMS Toll-Free, North America) and PROGRAMMABLE MESSAGING (SMS).