Inbound and Outbound Calling through the Teammate Teams Connector Intermittently Failing
Affected
Major outage from 4:43 PM to 7:38 PM
Major outage from 4:43 PM to 7:38 PM
- Resolved · UTC
What Occurred: Teams Calling intermittently failing with one-way or no-way audio.
What is Affected: Inbound and Outbound Calling through the Teammate Teams Connector
When it began: 11:00am ET, July 23, 2026
Current Status: At 2:36pm ET, Microsoft successfully reverted a network change, along with rerouting traffic, which has restored services on their end. After internal testing, we have confirmed inbound and outbound calling services have been restored.
Next Steps:
If inbound or outbound calling does not immediately return, please restart the Teams app and reopen. If you continue experiencing call failures, please submit a support ticket to support@oit.co
With Microsoft being the root cause of the underlying service outage, and not having visibility into the root cause, no major incident report will be provided.
- Update · UTC
What Occurred: Teams Calling intermittently failing with one-way or no-way audio.
What is Affected: Inbound and Outbound Calling through the Teammate Teams Connector.
When it began: 11:00am ET, July 23, 2026
Current Status: At 1:04pm ET, Microsoft continues to scale up rerouting efforts and are seeing indications of increasing restoration of services. They continue to implement additional mitigation measures alongside these actions.
Next Steps: To continue being able to make and receive phone calls, it is recommended to install the CloudieConnect app for Desktop/Mobile (iOS + Android) or utilize SNAPmobile web.
Next Update: July 23, 2026, 3:30pm ET
- Update · UTC
What Occurred: Teams Calling intermittently failing with one-way or no-way audio.
What is Affected: Inbound and Outbound Calling through the Teammate Teams Connector.
When it began: 11:00am ET, July 23, 2026
Current Status: At 12:47pm ET, Microsoft identified alternate network paths and performed traffic rerouting for some services, which contributed to partial recovery. They are scaling up rerouting efforts while continuing to evaluate additional mitigation actions.
Next Steps: To continue being able to make and receive phone calls, it is recommended to install the CloudieConnect app for Desktop/Mobile (iOS + Android) or utilize SNAPmobile web.
Next Update: July 23, 2026, 2:30pm ET
- Identified · UTC
What Occurred: Teams Calling intermittently failing with one-way or no-way audio.
What is Affected: Inbound and Outbound Calling through the Teammate Teams Connector.
When it began: 11:00am ET, July 23, 2026
Current Status: At 11:06am ET, Microsoft put out an Incident notification that they are aware of M365 Services being impacted and are investigating, but do not have a full scope of services impacted at this time.
Next Steps: To continue being able to make and receive phone calls, we recommended installing the CloudieConnect app for Desktop/Mobile (iOS + Android) or utilize SNAPmobile web.
Next Update: July 23 2026, 1:30pm ET