The MultiVOIP™ FX SIP gateway provides toll-free voice and fax communications over the Internet or Intranet. Available in 2-, 4-, 8- and 24-port models, the MultiVOIP FX gateway connects directly to phones, fax machines, key systems, PSTN lines, or a PBX to provide real-time, toll-quality voice connections to any office on your VOIP network. The MultiVOIP FX gateway is designed to maximize the investments you've already made in your data and voice network infrastructure.

Family Features

• 2, 4, 8, or 24 ports for communication over an existing IP network or the Internet
• Ethernet connectivity and full IP compatibility with existing routers and WAN infrastructure
• FXS/FXO connectors on each channel for direct analog connection to phones, key telephones, PBX extensions, PSTN lines or PBX trunks (24-port FXS only)
• Supports SIP for sending voice over the Internet
• Voice compression to 5.3K per call with support for multiple algorithms, including ITU G.723 and G.729
• VAD and CNG support
• QoS via DiffServ or 802.1p (future release)
• PSTN fail-over automatically routes calls over the PSTN network if the IP network is congested or down (future release)
• Supports SIP supplementary services including call forward, call transfer, and call hold (future release)
• T.38 real-time fax relay for interoperability among other VOIP equipment
• Configuration and management using a Web browser
• Two-year warranty