MultiTech Systems . MVP410-FX

Multi-Tech 4 Port FXS/FXO VoIP gateway Provides toll-free voice and fax communications over the Internetor Intranet 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 Designed to maximize the investments you've already made in yourdata and voice network infrastructure 4 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, fax machines, PBX extensions, PSTN lines or PBXtrunks 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 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 2 Year manufacturer's warranty MUMVP410FX