External Maintenance - United States - T-Mobile

Scheduled Maintenance Report for Sinch

Completed

The scheduled maintenance has been completed.
Posted Oct 19, 2026 - 12:01 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Oct 19, 2026 - 04:00 UTC

Update

We are writing to inform you that the concerned maintenance activity has been changed to the below mentioned timeframe.

Previous Start Time: 2025-10-19 07:00 UTC
Previous End Time: 2025-10-19 12:00 UTC

New Start Time: 2025-10-19 04:00 UTC
New End Time: 2025-10-19 12:00 UTC

Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
Posted Oct 16, 2026 - 20:16 UTC

Scheduled

United States - T-Mobile has scheduled a maintenance.

Impact SMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US
Impact MMS: Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US

Maintenance start time: 2025-10-19 07:00 UTC
Maintenance end time: 2025-10-19 12:00 UTC
Posted Oct 15, 2026 - 19:40 UTC
This scheduled maintenance affected: External Connectivity (SMS - US - ShortCode, SMS - US - 10DLC, MMS - US, MMS - US - 10DLC).