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GOIP4 (4 SIM Cards VoIP GSM Gateway)GOIP4 is a 4 channels VoIP GSM Gateway for call termination (VoIP to GSM) and origination (GSM to VoIP). It is SIP&H.323 based and compatible with Asterisk. It can enable to make 4 calls simultaneously from IP phones to GSM networks and GSM network to IP phone.
The 4 SIMs GSM Gateway (GoIP) bridges the GSM services and the IP networks. Each GSM channel can be programmed individually to establish the connectivity with IP-PBX, or can be bundled as a single trunk in connection with IP-PBX. The GoIP4 brings mobility, scalability and significant savings on long distance charges.
