Product Name: Support SIM Bank 16 Ports GSM VoIP Gateway (UC2000-VF-16G) Model NO.: UC2000-VF-16G Color: Black Wire or Not: Wire Number of Channels: 48 Support: VPN Type: Gateway Weight: 8.6kg Dimension (Wxdxh): 630*400*109 Trademark: Dinstar Transport Package: Carton Specification: qos Origin: Guangdong, Shenzhen HS Code: 85176239 Product Description 16 channel GSM gateway DWG2000-16G, 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 channelDWG2000 with 4 GSM/CDMA/WCDMA channelsDWG2000 with 8 GSM/CDMA/WCDMA channelsDWG2000 with 16 GSM/CDMA/WCDMA channelsApplicationDWG2000 Series features:1/4/8/16 GSM/CDMA/WCDMA channelsQuad-band 850/900/1800/1900MHzSignal strength indicator, numerous LEDs provide operational status4 RJ45 ports, support router and bridge modeDWG2000 seris Receiving SMS, AT command compatibleOpen Standard VoIP Protocols(MGCP, SIP)Custom IVR (25 seconds)White & Black listEcho cancellation for Speakerphone, Comfort noise generation (CNG), Voice activity detection (VAD)Voice prompts, HTTP Web, Auto Provision support for configuration and updatesDWG2000-1GDWG2000-4GDWG2000-8GDWG2000-16GDWG2000-32G