Performance by Design 18Deployment Guide for Microsoft Office Communications Server 2007Configuring Virtual Server for port 5061 (SIP)In this step we configure the virtual server for port 5061. We configured port 444 and 5061 on the samevirtual server so steps 1 to 5 are the same as port 444.To configure a virtual server:Select1. Config Mode > Service > SLBSelect2. Virtual Server on the menu barClick3. Add. The General tab appearsIn the4. Name field, enter a name for the virtual server. In this example, the Name is “OCS-VS”In the5. IP Address field, enter the IP address that clients will request. In this example we use“192.168.111.3”Figure 3.5 Virtual Server ConfigurationFigure 3.5 Virtual Server ConfigurationOn the6. Port tab, click Add. The Virtual Server Port tab appearsIn the7. Type drop-down list, select TCP type for virtual serverIn the8. Port field, type “5061” as a port number for SIP serviceIn the9. Service Group drop-down list, select the service group “ocs-sip” from listFigure 3.6 Virtual Server Configuration (Continuation)Figure 3.6 Virtual Server Configuration (Continuation)