8 channel GSM gateway DWG2000-8G, DWG2000 series VoIP GSM/CDMA/WCDMA Gateway is a new product that used to effectively implement the smooth transition from PSTN and GSM/CDMA/WCDMA to the VoIP network. With installing the mobile SIM Card in gateway, you can register the mobile phone on the VoIP Softswitch and also can be easily combined into arbitrary number of channels of Large Gateway Group. It's a cost-effective gateway suitable for small and medium size enterprises, system integrators and it also opens up new revenue generating opportunities for service providers.
Complying with standard SIP and MGCP, the product is featured full interoperable with leading Softswitch and SIP Sever. Using standard G. 711, G723.1, G. 729 A/B compression algorithms, it provides carrier-grade voice quality.

DWG2000 series have standard configuration bellow:
DWG2000 with 1 GSM/CDMA/WCDMA channel
DWG2000 with 4 GSM/CDMA/WCDMA channels
DWG2000 with 8 GSM/CDMA/WCDMA channels
DWG2000 with 16 GSM/CDMA/WCDMA channels

Application
DWG2000 Series features:
1/4/8/16 GSM/CDMA/WCDMA channels
Quad-band 850/900/1800/1900MHz
Signal strength indicator, numerous LEDs provide operational status
4 RJ45 ports, support router and bridge mode
DWG2000 seris Receiving SMS, AT command compatible
Open Standard VoIP Protocols(MGCP, SIP)
Custom IVR (25 seconds)
White & Black list
Echo cancellation for Speakerphone, Comfort noise generation (CNG), Voice activity detection (VAD)
Voice prompts, HTTP Web, Auto Provision support for configuration and updates