GoIP-4 - VoIP-GSM gateway for 4 SIM-cards, 4 GSM channels and 4 SIP lines. It's a four-port gateway intended for permanent connection between the GSM network and VoIP network. Through the GoIP4, users can realize the uplink and downlink calls between the GSM network and the VoIP network. In addition, gateway supports transmission of the caller number (Caller ID) between networks.
GoIP-4 is designed to work in conjunction with key phone systems and IP-PBX to provide GSM communications. The extensive compatibility of the GoIP-4 makes it an ideal choice to be deployed in multi-vendor open architecture VoIP networks. GoIP-4 is a great way to provide additional communication channels. VoIP-GSM gateway also provides significant savings in usage, infrastructure and maintenance cost compared to conventional PSTN.
The GoIP4 features embedded SIP and H.323 protocols with flexible setting. The bi-directional password authentication (call authorization) and trust list authentication greatly minimize the risk of charge losses and the flexible routing function can meet special requirements of various call forwarding. In particular, the GoIP gateway supports multi device groups, with flexible setting of large GSM gateway groups with different channel numbers. With its low price, excellent voice quality, and powerful features, the GoIP series gateway is the first choice for system integrators, traffic operators, and softswitch manufacturers.
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