Microsoft Lync Server 2010 outbound calls through Mediation server returns fast busy with: “CONNECTION: Failed to complete outbound connection” and “DIAGNOSTIC: Message was not sent because the connection was closed” in Snooper logs
I received a call from a client the other day that their Lync Server 2010 environment could not place outbound calls to the PSTN network. While on the phone with the administrator I had him do a few tests for me and it appears that