Product Name: Dwg2000-16g GSM/CDMA Gateway SIP & MGCP Model NO.: DWG2000-16G Certification: CE, ISO Information content: Data Support Network: GSM Type: Wired Usage: Telephone, Computer, Workstation, Server, Mobile phone, Laptop Size: 65*45*39 Weight: 4.5kg Box: 4 PCS Per Case Trademark: dinstar Transport Package: Carton Specification: CE, QS9001 Origin: China HS Code: 85176239 Product Description 1/4/8/16 GSM/CDMA channels optionalUp to 8 concurrent callsGSM: Quad-band 850/900/1800/1900MHzCDMA: 800MHzIMEI and PIN modifiedSMS sending and receivingUSSD, open API for SMSFlexible dial plan, digit mapProduct Description16 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 channelsDWG2000-1GDWG2000-4GDWG2000-8GDWG2000-16GInterfacesGSM/CDMA/WCDMA SIM Ports1 ports4 ports8 ports16 portsVoIP channels1 channel4 channels8 channels16 channelsNetwork interface4*10/100M base-TX RJ45LED indicatorsPower, Run, signal strength indicator, LANVoiceVoice over packet CapabilitiesG. 168 with 32, 64 or 128 ms tail lengthVoice CompressionG. 711, G723.1, G. 729 A/BDHCP Client/ServerNAT Router or Switched ModeNetwork ProtocolsTCP/UDP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPOE, STUNQoSDiff Serve, TOS, 802.1P/Q VLAN taggingSignalingDTMF MethodRFC 2833, SIP Info, INBANDIP SignalingSIP(RFC 3261) over UDP, MGCPProvisioningTFTP, HTTPSecurityManagementWEB browser, Telnet, Voice promptPhysicalUniversal Power SupplyOutput: 12VDC, input: 100-240VAC/50HzEnvironmentalOperational: 32-104° For 0-40° C Storage: 14-140° For -10-60° C Humidity: 10%-90%Dimensions195mm× 133mm× 35mm242mm× 152mm× 35mmWeight0.72kg1.1kgAdditional FeaturesCaller IDBellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CIDPolarity ReversalYesHomologationSafetyULComplianceFCC, CE