USA SMS - Latency affecting Toll Free numbers and a subset of Short Codes towards AT&T and Verizon networks

Incident Report for Vonage API Status

Resolved

This incident has been resolved.

Posted Nov 30, 2025 - 05:03 UTC

Monitoring

A fix has been implemented and we are monitoring the results.

Posted Nov 30, 2025 - 04:34 UTC

Update

The latency issue is resolved for the AT&T network. However, the Verizon network continues to experience issues for Toll Free numbers and a subset of US shortcodes.

Posted Nov 29, 2025 - 17:46 UTC

Update

This issue has been updated to include SMS latency to Verizon, as well as the AT&T network, for Toll Free numbers and a subset of US shortcodes.

Posted Nov 28, 2025 - 19:56 UTC

Investigating

We have been notified by our suppliers about outbound SMS latency to the AT&T network for Toll Free numbers and a subset of US shortcodes.

The carrier is aware of this issue and investigating the root cause. We will issue an update as soon as more information becomes available.

Please contact support@api.vonage.com if you have any questions.

Posted Nov 28, 2025 - 19:23 UTC

This incident affected: Global Connectivity (SMS North America).