This is an all-in-one small office router that allows users to send/receive data at 64Kbps or 128Kbps, and send/receive normal telephone calls and faxes over the ISDN BRI. With data compression included as a standard feature, data transfer rate can be further increased. The built-in LAN switch saves users the time and trouble of purchasing and installing a separate switch. The remote router supports Network Address Translator (NAT) which allows the network to support multiple users from a single shared IP address for cost savings and enhanced security. Security Features such as password protection for the system management terminal, PAP, CHAP protocols are supported for remote access users. Customizable firewall filtering is provided for control of access to and from the network.