TelephoneStuff.com MultiTech Systems 2-Port FXS/FXO SIP Gateway MVPFX2-2

The MultiVOIP FX SIP gateway provides toll-free voice and fax communications over the Internet or Intranet. By integrating voice and fax into your existing data network, you can realize substantial savings on inter-office long distance toll charges. The MultiVOIP FX gateway is available in 2-, 4-, or 8-port analog models. It 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. Features: - 2-, 4-, 8- analog 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 - Supports SIP for sending voice over the Internet - Voice compression to 5.3K bps per call with support for multiple algorithms including ITU G.723 and G.729 - VAD and CNG support - PSTN fail-over automatically routes calls over the PSTN network if the IP network is 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 (future release) - Configuration and management using a Web browser