56 3Com VCX V7111 VoIP SIP Gateways User ManualGetting Started SIP Gateway ExampleIn this section, two 8FXS Gateways are configured to be used as SIP Gateways. The end-point numbers are from 101 through 108 for the first Gateway and from 201 through 208 forthe second Gateway. After finishing the configuration, you can perform telephone callsbetween telephones connected to a single 8FXS Gateway, or between both VCX V7111Gateways. SIP Proxy is not used in this example, and call routing is performed using theinternal Tel to IP Routing table.To configure the call, follow these steps:1 Check connections and tools setup (TFTP, BootP, and HyperTerminal).2 Build the INI file.The INI file is a text file containing a list of parameters for the 8FXS. The file can bewritten manually or generated by the Excel utility provided. To use the Excel utility, firstinstall the Microsoft Office 2000 Excel application.In this example, the EXCEL utility is used: Invoke the EXCEL utility. On the Endpoints sheet, define local phone numbers for each 8FXS Gateway. Forthe first Gateway, define local phone numbers: from 101 through 108. For the secondGateway, define local phone numbers: from 201 through 208. On the Phones Prefix Routing Table sheet, define routing IP addresses for eachdialed number. (This is required when a proxy is not used.) On the SipGW sheet, define that SIP Proxy is not used. Click the Generate SIP INI File button in the General sheet. Check that the SipGW.ini file was generated in the folder C:\SIPgw\.Figure 26 Example of INI File for the First 8FXS GatewayMGControlProtocolType = 8MaxDigits = 3CoderName = g711Alaw64kIsProxyUsed = 0; Phone of each end pointChannelList = 0,8,101; Logger informationEnableSyslog = 0LoggerFormat = 0; IP to Phones routing tablePrefix = 10,10.2.37.10Prefix = 20,10.2.37.20
