External Maintenance - United States - AT&T

Scheduled Maintenance Report for Sinch

Completed

The scheduled maintenance has been completed.

Posted Jun 16, 2026 - 07:00 UTC

In progress

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

Posted Jun 16, 2026 - 03:00 UTC

Scheduled

AT&T US has scheduled a maintenance

Impact SMS: Clients may experience delayed or failed Short Code MT/MO traffic towards AT&T-US.
Impact MMS: Clients may experience delayed or failed Short Code MT/MO traffic from AT&T-US.

Maintenance start time: 2026-06-16 03:00 UTC
Maintenance end time: 2026-06-16 07:00 UTC

Posted Jun 13, 2026 - 12:30 UTC

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