USA SMS & MMS - Planned Maintenance affecting 10DLC to USA AT&T

Scheduled for Jun 10, 01:00 - 08:00 UTC

Scheduled

Between 10-06-2026 01:00 and 07:00 UTC, our supplier will be performing maintenance SMS and MMS on their 10DLC service affecting messages to AT&T US.

During this maintenance period, there may be Inbound and Outbound SMS delays and delivery receipt delays for 10DLC traffic towards this operator in the United States.

Please contact support@api.vonage.com if you have any questions.
Posted Jun 05, 2026 - 09:00 UTC
This scheduled maintenance affects: Global Connectivity (SMS North America, MMS North America).
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