• Subnet Mask: Enter the subnet mask of the LAN.• Default Gateway: Enter the IP address of the LAN’s default gateway.IP Address for DNS server1. Select the method for setting the IP address information.• Obtain DNS server address automatically• Use the following DNS server address2. If you selected Use the following DNS server address, specify the following settings.• Preferred DNS IP Address: Enter the IP Address of the preferred DNS server.• Alternative DNS IP Address: Enter the IP Address of the alternative DNS server.IP Address for DSP1. Select the method for setting the IP address information.• Obtain DSP IP address automatically• Use the following DSP IP address2. If you selected Use the following DSP IP address, specify the following items for DSP Card #1.• IP Address1: Enter the IP Address 1 of the DSP card.Import FileOn this screen, you can import 4 types of files configured for the Control Box in CSV format.4.4.2 After Quick Setup Wizard has been CompletedChanging IP Address Settings• Do not change the IP address of the Control Box once IP telephones are registered to the Control Boxusing the set IP address. The IP telephones will not operate properly if the IP address of the Control Boxis changed. When an external DHCP server is used to automatically assign IP addresses, it must beconfigured to always allocate the same IP address to the Control Box. For details, consult your networkadministrator.IP addressing information for the Control Box can also be changed from Web Maintenance Console. Fordetails about programming IP addresses, refer to "16.1 Network Service—[1] IP Address/Ports—BasicSettings" in the PC Programming Manual.4.4.3 Enabling the DHCP Server FeatureThis Control Box has a DHCP Server feature. When the feature is enabled, it allows you to centrallymanage and automate the assignment of IP addresses for the devices located in same LAN using WebMaintenance Console.1. Click Setup → Network Service → Server Feature → DHCP.2. On the DHCP Server tab, select Enable for DHCP Server.3. Enter valid settings for the IP address auto assignment.NoteFor details about IP address auto assignment settings, refer to "16.2.1 Network Service—[2-1]Server Feature—DHCP(LAN)" in the PC Programming Manual.4. Click OK.4.4.2 After Quick Setup Wizard has been Completed46 Installation Manual