... 8 Ports Dinstar DWG2000C-4/8GSM, VoIP Gateway, CDMA Gateway, CDMA VoIP DWG2000C-4/8G is full ... functions VoIP gateway based on IP and GSM network, which ... , and good voice quality. It works for carrier grade, enterprise, SOHO, residential users for cost-effective solution ... necessary of customers. It’s a cost-effective gateway for call termination (VoIP to GSM) and origination ...