DWG2000-1W (WCDMA VoIP Gateway) Dinstar DWG2000-1W is full functions VoIP gateway based on IP and GSM wireless network, which provides a flexible network configuration, powerful features, and good voice quality. It works for carrier grade, enterprise, SOHO, residential users for cost-effective solution. Support 1 WCDMA Port Support 900/2100MHz Support 850/2100Mhz DTMF: RFC2833, SIP, INFO Suppport Echo Cancellation Web-based Management Features > 1 WCDMA port > WCDMA: 900/2100MHz or 850/2100MHz > Web-based SMS/SMSC and USSD, open API > Support digit map, flexible dial rules > Manual /automatic selection operators > Syslog way output tracking information > IP/Password based white/blacklist > Voice prompts, HTTP Web support for configuration and updates > BCCH management Voice Processing > Voice Packet Capabilities: G.168 with 32, 64 or 128 ms tail length > Voice Codec: G.711a/u law, G.723.1, G.729AB > QoS: Diff Serve, ToS, VAD, PLC, CNG Call Features > Calling Type: Terminate/Originate calls > IVR Voice Prompt: Two stage dialing, Private service IVR > Call handling: One stage dialing, Configurable dial plan > DTMF: RFC2833, SIP, INFO > Routing rules: Port Group, IP Group, up to 32 routing rules Support Codec G.711 a/u-law G.723.1, G.729AB Interfaces > Mobile Ports: 1 port WCDMA channels > LED Indicators: Power, Run, Signal strength indicator Mobile Features > General Feature: SMS/SMSC, USSD, IMEI/PIN modify, Call minutes restriction, Carrier select, BCCH, Reversed Polarity Network > Network Mode: NAT router or switch mode > Network Protocols: IP,TCP, UDP,TFTP, FTP, RTP RTCP, ARP,RARP,ICMP Ping, NTP, SNTP, Http, DNS, PPPoE, DHCP > NAT traversal: Static NAT, STUN Protocol > Protocol: SIP V2.0 RFC3261 > SIP Characteristics: By port/device registration, Two 183 mode Configuration Management > Management: TFTP, HTTP, System log, CDR > Web GUI: Configuration, firmware upgrade, call status, Configuration backup/restore