Check the listing for details. Zoom 5585 X5V 4PORT Adsl Modem Router/gateway/firewall. Condition: New. Listed at 35.00 USD. Zoom 5585 for Annex A (ADSL over Analog Lines) ADSL X5v ADSL Modem/Router/Gateway/Firewall/4-port Switch plus VoIP for voice calls over the InternetIntegrated ADSL modem and router plus SIPbased Voice over IP for telephone calls over the InternetZoom’s TelePort feature allows one or more normal phones to place and receive calls worldwide over the Internet, and also to connect to any phone on the Public Switched Telephone Network. CClear natural-sounding voice quality with Quality of Service (QOS) supportIntegrated design with built-in firewall simplifies setup and improves securityBuilt-in router provides shared Internet access for up to 253 concurrent users. Up to 5 computers can plug directly into the X5vClear natural-sounding voice quality with Quality of Service (QOS) supportBuilt-in 10/100 four-port Ethernet Switch for computers, hubs, wireless access pointsAdvanced Firewall includes Stateful Packet Inspection, protection from Denial of Service Attacks, NAT, and moreWorks with any operating system that supports an Internet browser including Windows, Macintosh and Linux Zoom’s TelePort feature allows one or more normal phones to place and receive calls worldwide over the Internet, and also to connect to any phone on the Public Switched Telephone Network. The ADSL X5v integrates a full-rate ADSL modem, router, firewall, four-port 10/100 Ethernet switch, USB port, and VoIP analog telephone adapter into a single cost effective product. The TelePort™ feature provides a phone port that lets you use your standard single line phone for conventional phone calls or free and very low-cost Voice Over IP (VoIP) calls.* Because the X5v integrates Internet telephony with a full featured ADSL gateway, setup is easy and system security is ensured. Integration of the voice processing with the firewall in the router ensures reliability of VoIP calls and reduces service provider support requirements. The X5v's built-in four-port Ethernet switch eliminates the need for a separate Ethernet hub for most home networks and many small offices. The USB port allows direct connection of a fifth computer to the ADSL X5v. By adding external hubs or a wireless access point, the X5v can provide simultaneous Internet access for up to 253 computers. The Local Phone port of the Model 5585 and 5586 includes the TelePort, an intelligent relay that allows a single phone to place and receive both VoIP calls and calls over the Public Switched Telephone Network (PSTN). PSTN Fail-Over allows the X5v to automatically route calls over the dial-up phone network when power is lost. PSTN support also allows emergency dialing using services like 911 or 112 calling. The X5v uses Session Initiation Protocol (SIP) for compatibility with a wide range of VoIP infrastructure equipment. Quality of Service prioritizes voice data packets over other packets, so that voice quality remains high, even when there is substantial non-voice traffic. Setup is easy using any authorized local or remote computer's Web browser and the graphical user interface built into the X5v. After setup, the X5v voice features work even without an attached computer. Flash memory allows easy firmware updates, including additions to the voice compression codecs. The integrated VoIP terminal adapter can be configured remotely using a TFTP download, from the VoIP service provider.