Internal Maintenance: Migration of AT&T Supplier Connections
Scheduled Maintenance Report for Sinch
The scheduled maintenance has been completed.
Posted Jan 26, 2023 - 10:00 UTC
In progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Jan 26, 2023 - 07:00 UTC
We would like to inform you that as part of our continuous efforts to improve the performance and reliability of our platform, we will be performing maintenance on our AT&T US Connections during the times specified below.

Start time: 2023-01-26 07.00 GMT
End time: 2023-01-26 10.00 GMT

Estimated impact: Delay of MT and MO message delivery.

We appreciate your patience and apologize for any inconvenience experienced during this maintenance.
If for any reason the maintenance is extended or cancelled, we will advise you accordingly. In case you need further information, please contact technical support at
Posted Jan 24, 2023 - 01:53 UTC
This scheduled maintenance affected: Messaging API - US (SMPP, HTTP, REST) and Connectivity by region (SMS - US - LongCode, SMS - US - ShortCode, SMS - US - Toll Free, SMS - US - 10DLC).