4.3 Configuring Domain Name System (DNS) DataGetting Started 274.3 Configuring Domain Name System (DNS)DataThe function of a DNS in a VoIP network is to provide telephone number-to-IP Addresstranslations *1 . The IP Gateway Card has internal DNS database capabilities that can contain amaximum of 511 units in the network. DNS database is owned jointly by all units in the network(therefore it is necessary to update every unit with the latest DNS database whenever thenetwork configuration is changed).For example numbering plan, refer to 1.2 Network Devices and Numbering Plan.4.3.1 Editing DNS Data*1 IP address-to-telephone number translation can also be handled by using an H.323 Gatekeeper device. To configureGatekeeper devices, refer to the manufacturer's documentation. This manual focuses on the method using the KX-TDA0480 internal DNS capabilities.1. a. Highlight "Main" in the Groups WindowPane.b. Select "Tools" "DNS (static transfer)""Edit".2. "Configure DNS setting" window appears.Click [Add].3. a. Enter Terminal number, Remainingdigits, and Comment.b. Select the desired unit(s), then click [OK].Configuration example of Los Angelstelephone extensions (200-299):• PBX Office Code: 35• Telephone extension starting digit: 2• Remaining digits: 2 (i.e., 00-99)