The xMatters monitoring tools have identified a potential issue with xMatters On-Demand for some clients located in North America where notifications may be delayed. We are currently investigating the issue, and will update as information becomes available.
If you are also experiencing issues, or if you're not sure whether this issue impacts your service, please contact xMatters Client Assistance at
https://support.xmatters.com/hc/en-us/requests/new - our support agents are waiting to help.