M365 Service Health Notification

Skype for Business service alert Incident information Title: Unable to make Public Switched Telephone Network (PSTN) calls. ID: LY218836 Status Service Restored Details Title: Unable to make Public Switched Telephone Network (PSTN) calls. User Impact: Users may have been unable to make PSTN calls. Final status: We identified that a networking issue may have prevented users from making PSTN calls. We redirected user traffic to alternate infrastructure, which remediated impact. Scope of impact: Impact was specific to users who were served through the affected infrastructure. Start time: Saturday, July 18, 2020, at 7:45 AM UTC End time: Saturday, July 18, 2020, at 8:45 AM UTC Root cause: A networking issue may have prevented users from making PSTN calls. Next steps: - We're reviewing the network issue to find ways to prevent this problem from happening again. This is the final update for the event. Thank you, The Microsoft team To customize what's included in this email, who gets it, or to unsubscribe, set your Service health preferences. If you are receiving this email because your Admin added you as a recipient, please contact your Admin to unsubscribe. Microsoft respects your privacy. Review our online Privacy Statement. Microsoft Corporation One Microsoft Way Redmond, WA USA 98052