SMS Delivery Receipt Delays Verizon Network in the US via Subset of Short Codes


Incident resolved in 9h21m34s

Resolved

We are still experiencing SMS delivery report delays to Verizon Wireless in the US via subset of Short-code numbers, however, since there are several networks impacted, we’re resolving this post, and we’re consolidating all impacted networks into one post. You can check the status of this at https://status.twilio.com/incidents/cl05dsxgsx2n.

1733163537

Update

After monitoring for some time, we started seeing a degradation of the service. We're experiencing SMS delivery report delays to Verizon Wireless in the US via a Subset of short codes. We expect to provide another update in 1 hour or as soon as more information becomes available.

1733161723

Investigating

We are observing recovery in receiving SMS delivery receipt when sending to Verizon network in the US via subset of short codes. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

1733156726

Investigating

After monitoring for some time, we started seeing a degradation of the service. We're experiencing SMS delivery report delays to Verizon Wireless in the US via a Subset of short codes. We expect to provide another update in 1 hour or as soon as more information becomes available.

1733152638

Update

We continue to observe recovery in receiving SMS delivery receipt when sending to Verizon network in the US via subset of short codes. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

1733148093

Update

We continue to observe recovery in receiving SMS delivery receipt when sending to Verizon network in the US via subset of short codes. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

1733140281

Update

We are observing recovery in receiving SMS delivery receipt when sending to Verizon network in the US via subset of short codes. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

1733133413

Investigating

We are experiencing delays in receiving SMS delivery receipt when sending to Verizon network in US via subset of short codes. Our engineers are 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.

1733129843