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Configure a trusted application entry for remote call control in Lync Server 2013

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Topic Last Modified: 2015-11-02

The SIP/CSTA gateway must be configured as a trusted application in order for Lync Server to apply a static route to route calls to the gateway.

Important

If you're migrating users from a previous version of Lync Server deployment, be sure that you removed all existing trusted application entries (previously known as authorized host entries) you created for the SIP/CSTA gateway before following the procedures in this topic. For details, see Remove a legacy authorized host in Lync Server 2013 (optional).
If you plan to deploy new remote call control by using a Transmission Control Protocol (TCP) connection, you need to verify that Limit service usage to selected IP addresses should be set on existing trusted applications and pools, if you want to use the same TCP port for the new trusted application.

To configure a trusted application entry for the SIP/CSTA gateway

  1. Log on to the computer where Lync Server Management Shell is installed as a member of the RTCUniversalServerAdmins group or a role-based access control (RBAC) role to which you have assigned the New-CsTrustedApplicationPool cmdlet.

  2. Start the Lync Server Management Shell: Click Start, click All Programs, click Microsoft Lync Server 2013, and then click Lync Server Management Shell.

  3. To create a trusted application entry, do one of the following:

    • For a Transport Layer Security (TLS) connection, type the following at the command prompt:

      New-CsTrustedApplicationPool -Identity <FQDN of the SIP/CSTA gateway> [-Registrar <Service ID or FQDN of the Registrar service>] -Site <Site ID for the site where you want to create the trusted application pool>

      For example:

      New-CsTrustedApplicationPool -Identity rccgateway.contoso.net -Registrar registrar1.contoso.net -Site co1 -TreatAsAuthenticated $true -ThrottleAsServer $true

    • For a Transmission Control Protocol (TCP) connection, type the following at the command prompt:

      New-CsTrustedApplicationPool -Identity <IP address or FQDN of the SIP/CSTA gateway> [-Registrar <Service ID or FQDN of the Registrar service>] -Site <Site ID for the site where you want to create the trusted application pool>

      For example:

      New-CsTrustedApplicationPool -Identity 192.168.0.240 -Registrar registrar1.contoso.net -Site co1 -TreatAsAuthenticated $true -ThrottleAsServer $true

  4. To add the trusted application to the pool, do one of the following:

    • For a TLS connection, type the following at the command prompt:

      New-CsTrustedApplication -ApplicationID <application name> -TrustedApplicationPoolFqdn <FQDN of the SIP/CSTA gateway> -Port <SIP listening port on the gateway>

      For example:

      New-CsTrustedApplication -ApplicationID RccGateway-1 -TrustedApplicationPoolFqdn rccgateway.contoso.net -Port 5065

    • For a TCP connection, type the following at the command prompt:

      New-CsTrustedApplication -ApplicationID <application name> -TrustedApplicationPoolFqdn <IP address or FQDN of the SIP/CSTA gateway> -Port <SIP listening port on the gateway> -EnableTcp

      For example:

      New-CsTrustedApplication -ApplicationID RccGateway-1 -TrustedApplicationPoolFqdn 192.169.0.240 -Port 5065 -EnableTcp

  5. To implement the published changes you have made to the topology, type the following at the command prompt:

    Enable-CsTopology