Conference Phones
Conference phones are meant for holding conferences between three and a bigger amount of participants. This allows all participants listening and speaking simultaneously. Usually the conference is begun by the participant having “Conference Phone”. Other participants call to a special number for a conference which connects them with “Conference Bridge” that joins all lines together.
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.
OSS Corp.
O.S.S Corporation began to offer IP telephony and Internet services in the middle of 1999 year. In spring of 2000 it was on the top of independent ratings of the Russian IP telephony operators. Nowadays company owes the most powerful access pool to provid
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