Dinstar 4 ports VOIP gateway, GSM Gateway VoIP, VoIP GSM Gateway Up to 32 Ports GSM (GSM Quadband) 1 ... LAN Jack, SMS Dinstar 4 ports VOIP gateway, GSM Gateway VoIP, VoIP GSM Gateway - DWG2000C-4/8G is full functions VoIP ... gateway based on IP and GSM network, ... easy-of-use to satisfied necessary of customers. It’s a cost-effective gateway for call termination (VoIP to GSM ...