I have a client with a RealPresence Group 310 that is signed in to a Lync 2013 account. When then are dialled in to a Lync 2013 conference the call will disconnect after exactly 44mins 50 seconds each time and they have to dial back in. I have check the CDR logs and the Disconnect reason is "Unknown" with a cause code of "222". Has anyone seen this issue before?
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