External Maintenance - United States - AT&T

Scheduled Maintenance Report for Sinch

Completed

The scheduled maintenance has been completed.

Posted Sep 23, 2025 - 09:00 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Posted Sep 23, 2025 - 08:00 UTC

Scheduled

AT&T United States has scheduled a maintenance.

Impact MMS MT: Clients may experience delayed or failed 10DLC MT traffic towards AT&T Devices.

Maintenance start time: 2025-09-23 08:00 UTC
Maintenance end time: 2025-09-23 09:00 UTC

Posted Sep 06, 2025 - 02:00 UTC

This scheduled maintenance affected: External Connectivity (MMS - US - 10DLC).