Portech MV-374 is a 4-channel VoIP-GSM gateway, which is responsible for converting GSM signal into VoIP (SIP) protocol. Used as a terminal server to route incoming calls from GSM network operators, VoIP communication, as well as a device for switching IP PBX, protocol-based SIP (RFC2543, RFC3261) with GSM. The device is compatible with IP PBX Asterisk, Elastix, Trixbox, Free PBX and registered on the SIP-server as a terminal device.
TerraSip S.A.
TerraSip is a VoIP Community that enables people from all over the world to talk to each other on the telephone for free! The number of people waking up to the benefits of TerraSip is growing everyday - and will grow even more quickly if everyone tells th
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