The Home Hub Phone is located in the subscriber's home and provides WAN1 ports and LAN 4 ports for flexible use of subscriber lines, allowing various information devices to be connected in the home. It also provides 802.11b/g/n Wireless Lan functions for wireless users and VoIP functions for phone users. In addition, by providing a USB interface, charging is possible and upgrade is possible using the USB interface. It also provides NAT/NAPT and DHCP functions for security and data quality assurance.