UC100 VoIP Gateway is a multi-functional analog gateway, offering seamless connectivity between IP-based telephony network and legacy telephones (POTS), fax machines and PBX systems. The device offers 1 FXS and 1 FXO ports, an integrated high-speed NAT router, a 10/100Mbps Ethernet WAN port and three 10/100Mbps Ethernet LAN ports, and thus can share internet connection with local IP-based devices. UC100 VoIP Gateway supports standard SIP protocol and is compatible with leading IMS/NGN platforms and SIP-based IP telephony systems. It is ideally suitable for residential users and small businesses that need excellent voice quality and advanced telephony services.