4-6 Chapter 4Configuring the SystemConfiguring the Operating EnvironmentTo operate the SMG-3200, only the fundamental information configuration is required, and thedetailed operation environment configuration is configured automatically by using default values.The following 3 configurations are necessary for the operation of the SMG-3200. Other than theseconfigurations, additional operation environment configurations are not normally used.TCP/IP Configuration : IP address, subnet mask, default gatewaySystem Operation Mode : Gateway operation mode, PCM typeVoIP Configuration : VoIP table/gatekeeper configurationThis section describes how to configure the operating environment after turning on and logging inthe SMG-3200.Messages displayed in the console terminal emulator in this section may differaccording to the version of system software, and might be different from theactual messages you can see on the console terminal.During operation environment configuration, pressing [Enter] without inputvalue in conversational mode is the same as configuration with the defaultvalue at the current step.Configuring the TCP/IPTo use the TCP/IP protocol for Internet connection, you must configure network information suchas IP address, subnet mask, and default gateway.SMG-3200 provides the following two methods for TCP/IP configuration.❶ Automatic ConfigurationConfigures TCP/IP information automatically using a DHCP (Dynamic Host ConfigurationProtocol) server.