- You have a Microsoft Lync Server 2010 environment that has more than one Mediation server and a Public Switched Telephone Network (PSTN) gateway deployed. The Mediation servers are configured with dual Network Interface Cards (NICs).
- A Mediation server (Mediation server A) cannot connect to the PSTN gateway because of a network issue that is specific to Mediation server A.
- You call a PSTN number by using Lync 2010.
- The call is routed to Mediation server A.
Article ID: 2517715 - Last Review: Apr 20, 2011 - Revision: 1