Figure 6.8 Selecting a Service Account
Configuring the Mediation Server ??? Chapter 6 185
6. In the Gateway listening IP address drop-down list, select the IP address on
the Mediation Server that interfaces to the SIP-PSTN gateway device. This tells
the server to listen on this interface for communication from the SIP-PSTN
gateway.
7. Select the A/V Edge Server list, and verify that (None). See Figure 6.9.
Figure 6.9 The General Tab in Mediation Server Properties
8. Click the Next Hop Connections tab.
9. Under the Offi ce Communications Server next hop, in the FQDN drop-down list,
select the OCS Server (NWN-OCS.domainname.com).
10. Under the PSTN Gateway next hop, in the IP address box, type the IP address
of your gateway. Then in the Port box, accept the default of 5060 and click OK
(see Figure 6.10).
186 Chapter 6 ??? Confi guring the Mediation Server
11. Click OK for the A/V server and default location profi le setting.
12. Click OK to the warning prompt for restarting the Mediation Server.
13. Close the OCS 2007 console.
This completes the Mediation Server confi guration process. Now you need to download
the certifi cate:
1. On the Mediation Server (NWN-OCS-MED), click Start, click Run, type
http://servernameforCA/certsrv, and then click OK.
2. Microsoft Internet Explorer launches and displays the CA web page. Under Select
a Task, click Download a CA certifi cate, certifi cate chain, or CRL
(see Figure 6.11).
Figure 6.10 The Next Hop Connections Tab in Mediation Server Properties
Configuring the Mediation Server ??? Chapter 6 187
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