USA SMS - Planned Maintenance affecting AT&T network

Scheduled for May 13, 03:00 - 13:00 UTC

Scheduled

Between 13-May-2026 3:00 and 01:00 UTC, AT&T network will be performing a planned maintenance on their SMS platform.

During the maintenance window, you may potentially experience SMS Inbound, Outbound, and Delivery receipt delays for messages sent to and from subscribers of the AT&T network.

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

Posted May 08, 2026 - 10:49 UTC

This scheduled maintenance affects: Global Connectivity (SMS North America).