USA MMS - Scheduled Maintenance affecting AT&T

Scheduled for Jul 21, 04:00 - 06:00 UTC

Scheduled

On 21 July 2026 between 04:00 and 06:00 (UTC), there will be a maintenance affecting AT&T MMS connectivity.

During the maintenance window, customers may experience a loss of MMS delivery receipts. In addition, MMS MT traffic destined for AT&T devices may be delayed or fail.

If you have any questions, please contact api.support.vonage.com

Posted Jul 02, 2026 - 19:30 UTC

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