Dinstar DWG2000D-32C is a multifunctional 32-channel GSM/VoIP gateway designed to connect GSM and VoIP networks. It is a cost-effective VoIP/GSM gateway designed to make and forward calls from VoIP to GSM and from GSM/CDMA to VoIP.

Dinstar DWG2000D-32C is a multifunctional GSM/VoIP gateway designed to connect GSM and VoIP networks. GSM/CDMA/VoIP gateway is a convenient device for effective solution of communication organization tasks. DWG2000D-32G not only inherits the traditions of high-quality voice communication over IP network, but also reduces human resources when deploying VoIP networks. This is a cost-effective VoIP/GSM gateway designed to make and forward calls from VoIP to GSM and from GSM/CDMA to VoIP. It is fully compatible with leading soft-swith and SIP operators.

Peculiarities:

SNTP
Up to 32 ongoing calls
Ability to ping and trace from the web interface.
Ping – checking the availability of a remote node,
Trace – output of the route to a remote node.
Modifying the PIN code
SMS/SMSC/USSD, API support
Manual or automatic operator selection
BCCH (with frequency locking)
System log for monitoring outgoing information
Compatible with SIMBOX and SIMBANK.

Voice characteristics:

G.711, A/U low, G.723.1, G.729A/B
Function to reduce traffic when there is no voice activity
Comfort Noise Generation (CNG)
Voice Activity Detection (VAD)
Echo cancellation (G.168)
Dynamic (adjustable) Jitter Buffer
Generate line status signal
Programmable gain control.

Data transfer characteristics:

Frequency range: GSM 850/900/1800/1900 MHz
DTMF Mode: Signal/RFC2833
SMS/SMSC/USSD
API interface
Call duration limit
One/two stage dialing, "Hot" line
Polarity reversal control
User-configurable pre-recorded voice messages (IVR) feature
Change PIN code
Automatic selection of communication provider
CLIR (Calling Line Identification Restriction) – caller line identification restriction, AntiAON.
BCCH.

SIP Features:

Registration by ports (separate accounts)
Registering a device (shared account)
Support for IP trunks and IP trunk groups
Two termination modes (183 Session progress)
Response code switch
If all ports are busy, the call is redirected to another device.

Network characteristics:

Number of SIM cards: 32 GSM channels
Ethernet interface: 1 LAN*10/100M Base-Tx RJ45
Management Interface: 1 x RFC2833 Console
Static IP, PPPoE, DHCP
Support for the following network protocols: IP, TCP, UDP, TFTP, FTP, RTP, RTCP, ARP, RARP, ICMP Ping, NTP, SNTP, Http, DNS
NAT traversal: static NAT, STUN
Static/dynamic ARP request
Up to 32 VLAN routings.

Support and update:

Configuration via Web interface
Telnet setup
Setting up backup/restore
Updating software via TFTP
Change login and password Web and telnet
Factory Reset
Companion CD/news feed via system log
Ping and tracer testing via web interface
Traffic statistics: TCP, UDP, RTP
VoIP Call Statistics
PSTN call statistics: ASR, ACD, PDD.

Technical specifications:

Supply voltage, V	220
Power consumption	80
Operating temperature range	0°С…+45°С
Storage temperature	-20°С…+80°С
Relative humidity	10%-90%, non-condensing
Dimensions, mm	440x330x66x
Weight, g	6400
Number of GSM channels	32
Ethernet interface	1*LAN 10/100 Mbit/s Base-T, RJ-4