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Define a PSTN Gateway for a Branch Site

 

Topic Last Modified: 2010-11-10

Perform this procedure at the central site.

Important

Before you perform the procedure, the following conditions must be in place:

  • Microsoft Lync Server 2010 communications software must be set up at the central site.

  • Mediation Server must be deployed at the central site.

To define a PSTN gateway

  1. Click Start, click All Programs, click Microsoft Lync Server 2010, and then click Lync Server Topology Builder.

  2. In the console tree, expand the central site, expand Branch Office Sites, and then expand name of the branch site that you want to define a PSTN gateway for.

  3. Right-click PSTN Gateways, and then click New IP/PSTN Gateway.

  4. In the Define New IP/PSTN Gateway dialog box, click Gateway FQDN or IP Address, and then type the FQDN or IP address of the gateway that you are deploying at the branch site.

  5. Click Listening Port for IP/PSTN Gateway, and then accept the default values.

  6. In the SIP Transport Protocol list, click the transport protocol the gateway uses, and then click OK.

    Note

    For security reasons, we strongly recommend that you use a PSTN gateway that supports Transport Layer Security (TLS).

Tip

Use the cmdlet Set-CsPstnGateway to modify properties of a PSTN gateway. For details, see Set-CsPstnGateway, in the Lync Server Management Shell Help.

Next step for branch-site resiliency: Configuring Users for Branch Site Resiliency