External Maintenance - United States - AT&T

Scheduled Maintenance Report for Sinch

Completed

The scheduled maintenance has been completed.

Posted Oct 01, 2025 - 11:00 UTC

In progress

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

Posted Oct 01, 2025 - 03:00 UTC

Scheduled

AT&T US has scheduled a maintenance.

Impact: Clients may experience delayed or failed SMS and MMS MT/MO traffic to and from AT&T US.

Maintenance start time: 2025-10-01 03:00 UTC
Maintenance end time: 2025-10-01 11:00 UTC

Posted Sep 24, 2025 - 23:36 UTC

This scheduled maintenance affected: External Connectivity (SMS - US - ShortCode, SMS - US - Toll Free, SMS - US - 10DLC, MMS - US, MMS - US - Toll Free, MMS - US - 10DLC).