Configuring IP Telephony 1573 Click IP Addresses.4 In the IP Addresses dialog box, click Add. The Add Dynamic IP Addressdialog box appears.5 Specify an address range, and then click OK.Configuring the DHCPServerIf you choose to use DHCP, contact your network administrator toconfigure the DHCP server. For an example, see Appendix C,“Configuring Option 184 on a Windows 2000 DHCP Server,” in theNBX Administrator’s Guide.3C10165D E1 Digital Line Cards and 3C10116D T1 Digital Line Cards donot support DHCP option 184. Before you install a 3C10165D E1 or3C10116D T1 card at a site that is remote from the system’s NCP, youmust first initialize the card by connecting it to the same subnet as theNCP.3C10165D E1 Digital Line Cards and 3C10116D T1 Digital Line Cards donot support DHCP lease times of less than 20 minutes.Manually ConfiguringTelephone IP SettingsFor a telephone to work properly on a subnetwork separated from theNCP, you must configure three IP settings (IP address, default gateway,and subnet mask). You can use the NBX NetSet utility to manuallyconfigure the settings, or you can enter the settings directly from thetelephone key pad.To configure telephone IP settings with the NBX NetSet utility:1 Connect the telephone to the same subnetwork as the NCP.If the telephone has not already been discovered by the NCP, go to theSystem Configuration - System Settings window and enable AutoDiscover Telephones.2 Log in to the NBX NetSet utility using the administrator name andpassword.3 In the NBX NetSet - Main Menu window, click Device Configuration.4 Click the Telephones tab.5 Select the telephone from the Telephones list.6 Click IP Settings. The Modify IP Settings dialog box appears. (The IPSettings button does not appear unless you have enabled IP for thesystem.)
