Front End Mediation Service Settings Expander for Lync Server 2010

You edit the properties of the Mediation Server PSTN gateway settings in this dialog. You define the following settings:

  • Select the Collocated Mediation Server enabled if you want to collocate the Mediation Server with this Front End Server or Front End pools.

  • Listening ports: Define the ports that the Mediation Server will listen on. You can define a port for TLS or transport layer security, or TCP, or transport control protocol. For the port entry for TCP to be available, you must select the check box for Enable TCP port.


    Refer to the documentation and configuration settings for your public switched telephone network (PSTN) gateway to determine if you need to enable and define port values TLS, TCP or both. TLS is a more secure protocol, using certificates to encrypt the traffic between the Mediation Server and the PSTN gateway. Not all PSTN gateways support TLS.

  • A listing of currently associated and existing Trunk (that is, Session Initiation Protocol (SIP) Trunks), Gateway (PSTN gateway or IP-PBX) and Site (configured site for the trunk and gateway).

  • You select a Trunk, Gateway and Site and click Make Default to set the selection as the default for this Mediation service. You select the current default and click Unmake Default to remove the selection as the current default. You then select a new default and click Make Default.

    OK Accepts and commits changes to the dialog.

    Cancel Discards changes and closes the dialog.

    Help Displays this help screen.