The MultiVOIPﾮ FX SIP gateway provides toll-free voice and fax communications over the Internet or Intranet. Available in 2-, 4-, and 8-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.

Features
• 2, 4, or 8 ports for communication over an existing IP network
or the Internet
• Ethernet connectivity and full IP compatibility with existing
routers and WAN infrastructure
• Supports FXS/FXO 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
• QoS via DiffServe or 802.1p
• PSTN failover automatically routes calls over the PSTN
network if the IP network is down
• Supports SIP supplementary services including call forward, call
transfer and call hold
• T.38 real-time fax relay for interoperability among other VOIP equipment
• Configuration and management using a Web browser or Windows
• Two-year warranty

Benefits

• Toll bypass voice/fax communications
• PSTN voice quality
• Connects directly to phones, fax or PBX
• Turnkey solution