USSD Service Disruption Notification
Incident Report for Status - Sierra Wireless
Resolved
Issue Summary:
Sierra Wireless identified the issue and took corrective action to restore USSD delivery.

Update:
We have been closely monitoring since the corrective action was taken, and have observed no additional impacts overnight. We are considering this issue resolved at this time.

Restoration Time:
All services have been restored as of: Wednesday (3/25) 20:30 UTC.

Other Information:
We apologize for the service interruption and we thank you for your patience while our teams worked to restore service.
Posted Mar 26, 2020 - 12:43 UTC
Monitoring
Update:
Sierra Wireless Engineering Teams confirm recovery at this time. However, due to the recent unexpected recurrence, the GNOC and Engineering teams remain on high alert and will monitor for stability overnight. We will send notification should there be any further recurrence.

Other Information:
We recognize the impact this has had on our customers and we apologize for the service disruption.
Posted Mar 25, 2020 - 23:24 UTC
Investigating
Summary:
Sierra Wireless is currently experiencing a service disruption that is affecting USSD delivery.

Update:
We have observed a recurrence of the issue. Sierra Wireless Engineers are re-engaged on a technical bridge to continue investigation.

Other Information:
We recognize the impact this is having on our customers and we are working as quickly as possible to restore these services. Updates will be provided as soon as additional information is available.
Posted Mar 25, 2020 - 22:25 UTC
Monitoring
Update:
Corrective action has been taken to resolve this issue. We are currently monitoring to ensure stability. We will consider this resolved if no further impacts are observed after one hour.

Other Information:
We recognize the impact this has had on our customers and we apologize for the service disruption.

Start Time: 16:05 UTC
End Time: 20:30 UTC
Posted Mar 25, 2020 - 21:09 UTC
Identified
Summary:
Sierra Wireless is continuing to experience a service disruption that is affecting USSD services.

Update:
We have identified the cause of the service disruption and are currently working to resolve the issue.

Other Information:
We recognize the impact this is having on our customers and we are working as quickly as possible to restore these services. Updates will be provided as soon as additional information is available.
Posted Mar 25, 2020 - 19:59 UTC
Investigating
Summary:
Sierra Wireless is continuing to experience a service disruption that is affecting USSD delivery.

Update:
Sierra Wireless Engineers are engaged on a technical bridge working to identify the root cause of the issue.

ETR: Unknown

Other Information:
We recognize the impact this is having on our customers and we are working as quickly as possible to restore these services. Updates will be provided as soon as additional information is available.
Posted Mar 25, 2020 - 19:01 UTC
Identified
Summary:
Sierra Wireless is continuing to experience a service disruption that is affecting USSD delivery.

Update:
We have identified the cause of the service disruption and are currently working to resolve the issue.

ETR: Unknown

Other Information:
We recognize the impact this is having on our customers and we are working as quickly as possible to restore these services. Updates will be provided as soon as additional information is available.
Posted Mar 25, 2020 - 17:50 UTC
Investigating
Summary:
Sierra Wireless is currently experiencing a service disruption that is affecting USSD delivery.

Impact:
Customers using the services listed below may experience delays or failures in USSD functionality.

Actions Underway:
We are in the process of determining the scope of the impact to our customers. Our engineering team is working to resolve the issue as soon as possible.

Incident Start Time: 16:05 UTC

Other Information:
We apologize for the disruption and our teams are working quickly to restore these services. Updates will be provided as soon as additional information is available.
Posted Mar 25, 2020 - 17:25 UTC
This incident affected: EasySIM US (USSD), EasySIM EU1 (USSD), EasySIM EU2 (USSD), SmartSIM (USSD), and EasySIM Global (USSD).