System Status

This page offers API uptime information for TeleSign services, in addition to incident history reports and service issues alerts.
Operator Service Alert - Planned Maintenance - T-Mobile - US - 03/25/2021
Scheduled Maintenance Report for TeleSign System Status
The scheduled maintenance has been completed.
Posted Mar 26, 2021 - 04:00 PDT
In progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Mar 25, 2021 - 21:00 PDT
Issue: US Operator - T-Mobile - US Maintenance

Date: 03/25/2021
Start Time: 09:00 PM PDT
End Time: 03/26/2021 at 04:00 AM PDT

We have received notification that US Operator T-Mobile US will be performing planned maintenance on the date and time specified above. During this time period, customers with Dedicated Short Codes that send SMS messages to T-Mobile US users may experience a temporary delay in message delivery, so we kindly ask that you plan accordingly. Other US operators will not be affected by this T-Mobile US operator maintenance.

On behalf of the operator, we apologize for any inconvenience and appreciate your patience during this service window.

If you have any questions, please contact us at

Kind Regards,
TeleSign Support
Posted Mar 25, 2021 - 16:14 PDT
This scheduled maintenance affected: Operator Alerts.