DWG2000EM-4W (WCDMA VoIP Gateway) Dinstar DWG2000E series GSM/CDMA VoIP Gateway is a multi-functional product used to effectively implement the smooth transition between mobile and VoIP network.Compare to DWG2000C series product, DWG2000E has great improvement not only in software features but also in new hardware structure design. It is fully compatible with Dinstar SIMCloud/SIMbank solution and easy to use. Moreover, with built-in 4–1 antenna power divider which is saving space and more easier to install and maintain. Support 4 WCDMA Ports Support 900/2100MHz Support 850/2100Mhz DTMF: RFC2833, SIP, INFO Suppport Echo Cancellation Web-based Management Support Codec G.711 a/u-law G.723.1, G.729AB Key benefits > 4 WCDMA Channels > WCDMA: 900/2100MHz or 850/2100MHz > PSTN and VoIP Hotline > 4 Concurrent Calls > Flexible Dial Rules and Manipulation Rules > SMS Sending and Receiving > USSD, Open API for SMS/USSD > BCCH management > Carrier Selection > PIN Code Management > Remote SIM Card Management(SIMCloud) Physical Interfaces > SIM Card Slot: 4 Channels > Ethernet Interface: 2 LAN 10/100M Base-Tx RJ45 > Console: 1* RS232 115200bps > Antennas Connectors: SMA > LED Indicators: PWR, RUN, Port State > Reset Button > SIM Card Installation Local SIM/Remote SIM with SIMBank Voice Capability > G.711A/U law, G.723.1, G.729A/B > Silence Suppression & Detection > Comfort Noise Generation(CNG) > Voice Activity Detection(VAD) > Echo Cancellation(G.168) > Adaptive (Dynamic) Jitter Buffer > Call Progress Tone Generation > Programmable Gain Control Mobile Feature > Frequency Range: > WCDMA: 900/2100MHz or 850/2100MHz > SMS/SMSC/USSD > SMS Coding/Decoding: ASCII/UCS2 > Open API Protocol > PIN Code Management > Call Duration Limitation for SIM Card/Single Call > Polarity Reversal （GSM) > Answer Delay (CDMA) > Carrier Selection > Caller ID Restriction for Outgoing Call > BCCH Management > Call Waiting > Call Forwarding SIP Characters > SIP V2.0 RFC3261 > SDP RFC2327 > Session Timer RFC4028 > RTP/RTCP RFC3551 > SIP Registration > SIP Trunk ( Peer Mode) > SIP Trunk Group > Ringback (Immediately, Alerting) > Configurable SIP Release Code > DNS SRV/A Query > Outbound Proxy > DTMF mode: Signal/RFC2833 > NAT Traversal Dynamic NAT, Static NAT, STUN Network Protocol > IP v4, UDP/TCP, PPPoE, DHCP, FTP/TFTP ARP,RARP, NTP > VPN PPTP > Encryption: RC4,MD5 (Coming Soon) > P v6 (Coming Soon) > HTTP, Telnet Physical Properties > Power Supply Input:100-240V,50-60Hz > Power Consumption: 68w > Temperature(Operation): 0 ℃ ~ 45 ℃ (Storage): -20 ℃ ~80 ℃ > Operation Humidity: 10%-90% No Condensation > Dimension(W/D/H): 250*156*32.5mm > Weight: 1.069kg > Package Weight: 2.05kg Maintain & Upgrade > Web Based Configuration > Telnet Configuration > Configure Backup/Restore > Support English and Chinese language > Firmware upgrade by HTTP/TFTP > Web & Telnet Login Password Modify > Factory Reset > CDR (10000 Lines CDRs Storage Locally) > Output CDR via Syslog > Syslog > Ping and Tracert Test > Traffic statistics: TCP,UDP,RTP > VoIP Call Statistics > PSTN Call statistics:ASR,ACD,PDD > Voice Dialogist with Loopback > IVR Customization > System Logs