Calls to O365UM bounce back – the call leg was cancelled

My Brisbane-based colleague Glen recently reported an interesting problem he’d encountered with calls to O365 UM going unanswered, and in some cases bouncing back to the Attendant. In the FE he was seeing these diagnostic messages: ms-diagnostics : 10049;source=”LYNCFE01.contoso.com”;reason=”The current signaling session took too long to establish the connection, so the call leg was canceled.”;component=”MediationServer” …

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Lync 2013 / SfB 2015 Client Update – June 2018

Our May client update took us to 15.0.5031.1000, and now Kb4022170 increments us to 15.0.5041.1000 – but there’s a trick to this one: see “Before/After”. What’s Fixed We have just one update this month, but it’s a doozie and surely a Godsend for some of you: Kb4294971 Skype for Business 2016 or Skype for Business …

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