... Dinstar DWG2000-1GSM, Dinstar Gateway, Dinstar GSM Gateway, Dinstar VoIP Gateway, DWG2000 VoIP Gateway - DWG2000- series VoIP GSM Gateway is a multi-functional product ... VoIP network. With install the mobile SIM Card in gateway, you can register the mobile telephone on the VoIP ... arbitrary number of channels of large gateway group. It’s a cost-effective gateway for SOHO, SMEs and system integrators ...