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 USA - 03/12/2019
Scheduled Maintenance Report for TeleSign System Status
The scheduled maintenance has been completed.
Posted Dec 04, 2019 - 03:00 PST
In progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Dec 03, 2019 - 22:00 PST
Issue: US Operator - T-Mobile USA Maintenance

Date: 03/12/2019
Start Time: 22:00 PDT
End Time:04/12/2019 at 03:00 AM PDT


We have received notification that US Operator T-Mobile 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 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 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 Dec 02, 2019 - 13:47 PST
This scheduled maintenance affected: Operator Alerts.