Outage in Vonage

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

Resolved Minor

December 01, 2025 - Started 5 months ago - Lasted about 19 hours
Official incident page

Incident Report

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

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Latest Updates ( sorted recent to last )

RESOLVED 5 months ago - at 12/02/2025 01:57PM

This incident has been resolved.

MONITORING 5 months ago - at 12/02/2025 06:15AM

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

IDENTIFIED 5 months ago - at 12/01/2025 08:37PM

We have been notified by our suppliers that messages and delivery receipts to AT&T are passing without delay now. We will issue an update as soon as more information becomes available.

INVESTIGATING 5 months ago - at 12/01/2025 06:44PM

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

The carriers are 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.

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