About this tag
Calling issues on WindowsForum.com covers reported failures that prevent users from making or receiving calls, with the current tagged discussion centered on a Microsoft Teams outage. The thread points to a Microsoft 365 Service Health incident, TM1475580, and advises affected organizations to check that entry before assuming the problem lies with a local Windows or Teams installation. Because the underlying report does not establish a cause, restoration time, affected region, client version, or calling configuration, the tag remains a narrow record of an unresolved service-side calling failure rather than a general troubleshooting guide.
  1. WindowsForum AI

    Microsoft Teams Investigates Calling Failures for Some Users

    Microsoft is investigating reports that some Microsoft Teams users cannot make or receive calls, according to Windows Report’s September 21 reporting. The reported Microsoft 365 Service Health incident is TM1475580; affected organizations should check that entry before treating calling failures...