Dinstar DWG2000G-32G

Dinstar DWG2000G-32G is a multifunctional 32-channel GSM/CDMA VoIP gateway designed to combine mobile and VoIP networks. The upward opening slot for SIM cards allows for easier replacement without dismantling the device. These gateways are fully compatible with Dinstar SIMCloud/SIMbank solutions and are easy to operate.

Dinstar DWG2000G-32G is a multifunctional GSM/CDMA VoIP gateway designed to combine mobile and VoIP networks. Compared with the DWG2000D series products, DWG2000G has significant improvements not only in software but also in hardware. The upward opening slot for SIM cards makes it easier to replace them without dismantling the device. These gateways are fully compatible with Dinstar SIMCloud/SIMbank solutions and are easy to operate.

Key Features:

• 32/24/16/8 GSM/CDMA channels
• GSM: 850/900/1800/1900 MHz
• CDMA: 800 MHz
• PSTN and VoIP hotline
• Up to 32 simultaneous calls
• Flexible recruitment and processing rules
• Sending and receiving SMS
• USSD, Open API for SMS/USSD BCCH
• Operator selection
• PIN code management
• Remote work with SIM cards (SIMCloud)

Voice functions:

• G.711A/U, G.723.1, G.729A/B
• Detector and suppression of pauses
• Comfort Noise Generation (CNG)
• Voice Presence Detection
• signal (VAD)
• Echo cancellation (G.168)
• Jitter Buffer
• Tone Generator for Connection Setup
• Programmable gain control

Mobile communications:

• Frequency range:
• GSM 850/900/1800/1900 MHz
• CDMA: 800 MHz
• WCDMA: 2100 MHz (optional)
• SMS/SMSC/USSD
• SMS encoding/decoding: ASCII/UCS2
• Open Application Programming Interface (API)
• Working with PIN code
• Call duration limit for SIM card/individual call
• Polarity reversal
• Response Delay (CDMA)
• Operator selection
• Barring outgoing calls by Caller ID
• Broadcast Control Channel
• Call waiting
• Call forwarding

SIP:

• SIP V2.0 RFC3261
• SDP RFC2327
• RFC4028 Session Timer
• RTP/RTCP RFC3551
• SIP registration
• SIP trunk (peer-to-peer mode)
• SIP Trunk Groups
• Callback (immediate, with signal notification)
• Configurable SIP Release Code
• DNS SRV/A Query
• Outgoing Proxy
• DTMF Mode: Signal/RFC2833
• NAT Traversal, Dynamic NAT, Static NAT, STUN

Interfaces:

• SIM card slot: 32/24/16/8 channels
• Ethernet interface: 2 LAN 10/100M Base-Tx RJ45
• Console: 1* RS-232 115,200 bps
• Antenna connectors: SMA
• LED indicators: PWR, RUN, port status
• Reset button
• SIM card installation: local SIM/remote SIM with SIMBank

Network protocol:

• IP v4, UDP/TCP, PPPoE, DHCP, FTP/TFTP, ARP, RARP, NTP, VPN PPTP
• Encryption: RC4, MD5 (pending)
• IP v6 (expected)
• HTTP, Telnet

Maintenance and update:

• Using web configuration
• Configuration via Telnet
• Configuring Backup/Restore
• English and Chinese language support
• Firmware update via HTTP/TFTP
• Setting up a login password: Web and Telnet
• Factory reset
• CDR (10,000 lines local CDR storage)
• CDR output via Syslog
• Syslog (system log) echo testing (ping) and tracert test
• Traffic statistics: TCP, UDP, RTP
• VoIP Call Statistics
• PSTN call statistics: ASR,ACD,PDD
• Speech dialogue system with feedback
• Setting up IVR

Technical specifications: