The Dinstar 8-port GSM Gateway is a device that allows you to make and receive calls over GSM networks using multiple SIM cards (one for each port). It typically provides connectivity for VoIP systems (SIP), and its main purpose is to help businesses route voice traffic through mobile networks, saving on costs compared to traditional landline connections.
Could you clarify what specific combination you're referring to? Are you looking to combine it with a VoIP PBX system, a specific configuration setup, or something else?