NETGEAR's TA612V Broadband Voice Adapter is the ideal Voice over IP (VoIP) terminal adapter delivering convergent voice services to the home networking environment. The TA612V's NETGEAR Intelligent Voice Provisioning Architecture (NIVPA) offers seamless interoperability to many of the leading VoIP service providers giving users an excellent plug-and-play experience. The TA612V features two phone ports for connection to existing analog phones and fax machines. Its high performance voice DSP provides exceptional voice quality with adaptive jitter buffer and long G.165/G.168 echo tail. A WAN Ethernet port connects the TA612V to the Internet via a broadband modem (cable, DSL), and a LAN Ethernet port is available to provide connectivity and router/firewall functionality for sharing the Internet connection with your computers. The TA612V supports prioritized voice traffic for optimum Quality of Service (QoS). KEY FEATURES: Turns your Broadband Internet Service into a Telephone; 2 ports to connect analog phones & fax machines; Shares Internet connection via Ethernet ports & Broadband modem; Prioritizes voice traffic for optimum Quality of Service (QoS); Call Features include: Called ID, Call Waiting & Voicemail; Works with sipgate VoIP Service (sold separately).