The VT2442 Voice Gateway enables up to two standard analog telephones to use digital telephone services over a broadband Internet connection. The broadband connection can be any high-speed data service through either: • A cable modem connected to coaxial cable from a cable television company • A DSL (digital subscriber line) modem connected to telephone wiring from a telephone company The VT2442 provides four Ethernet ports and a built-in router for a home or small office local area network (LAN). It is ideal for your home, home office, or small business/enterprise. You can connect up to four computers or other Ethernet devices directly to the VT2442. By adding hubs or other routers, you can expand your network up to the recommended maximum of 16 connected devices. The computers on the VT2442 network must: • Have a 10Base-T or 10/100Base-T Ethernet adapter • Be running Microsoft® Windows®, Macintosh® OS, Linux®, or UNIX® Features The VT2442 Voice Gateway provides: • Up to two lines of robust, full-featured telephone and fax service • Voice-over-data prioritization so you can speak on the phone while using the Internet with no reduction in voice quality • Full network connectivity in a single unit, eliminating the cost and clutter of stand-alone routers and hubs • VPN passthrough support for remote access to enterprise applications • Portability to plug into any broadband connection (cable or DSL) • Plug-and-play installation • Compact, low-profile design • Easy Web-based configuration (see “Basic Configuration” on page13) • Support for features such as caller ID, call waiting, three-way calling, and call forwarding • Firewall to help protect your network against external attacks