Service Disruption: Teams Calling

Incident Report for CU Anschutz ISS and CU Denver OIT

Resolved

Information Strategy and Services (ISS) has determined that service has been fully restored.

What service was affected: Teams Calling

What is the resolution: ISS has addressed a licensing and configuration problem to restore service.

If you are still experiencing service degradation after this resolution, please contact the Service Desk at 303-724-4357.

Incident:Teams Calling Service Interruption
Posted Oct 02, 2026 - 16:49 MDT

Monitoring

Information Strategy and Services (ISS) has identified the cause of the service disruption and implemented a fix to restore service.

What service is affected: Teams voice

What fix has been applied: ISS has addressed a licensing and configuration problem to restore service.

Workarounds (if any): N/A

ISS will continue to monitor the service for full stability and service restoration.

Incident: Teams Calling Service Interruption
Posted Oct 02, 2026 - 13:51 MDT

Identified

Information Strategy and Services (ISS) has identified the cause of the service disruption and is working on a resolution.

What service is affected: Teams calling

What is the issue: All off campus calling (including 911) through Teams is currently unavailable.

Who is impacted: Approximately 700 users

Workarounds (if any): None at this time

Thank you for your patience while our team works on resolving this as quickly as possible.

Incident: Teams Calling Service Interruption
Posted Oct 02, 2026 - 12:35 MDT

Investigating

Information Strategy and Services (ISS) is aware of and currently investigating a service disruption.

What service is affected: Teams voice

What is the issue: Some users have lost the ability to make Teams calls to off-campus phone numbers

Who is impacted: A subset of campus Teams users

Workarounds (if any): N/A

Thank you for your patience while our team works on identifying the cause and resolving it as quickly as possible.

Incident: Teams Calling Service Interruption
Posted Oct 02, 2026 - 11:51 MDT
This incident affected: Telephone Services (CU Anschutz, CU Denver).