Dinstar DWG2000E-8G-B – GSM gateway for 8 SIM cards (8 GSM/CDMA channels), designed to make calls from VoIP to GSM and from GSM to VoIP. DWG2000E-8G-B supports the SIP protocol, which allows it to be used together with various IP-PBX models , connect to virtual PBX and various IP telephony providers.
Dinstar DWG2000E-8G-B – GSM gateway for 8 SIM cards (8 GSM/CDMA channels), designed to make calls from VoIP to GSM and from GSM to VoIP. DWG2000E-8G-B supports the SIP protocol, which allows it to be used together with various IP-PBX models , connect to virtual PBX and various IP telephony providers.
Unlike Dinstar DWG2000E-8G, the Dinstar DWG2000E-8G-B model does not have:

• Automatic IMEI change
• SIM bank and SIM server support

Peculiarities

• 8 GSM channels
• GSM: 4-band 850/900/1800/1900 MHz
• CDMA: 800 MHz
• PSTN and VoIP hotline
• Up to 8 simultaneous calls
• Flexible recruitment and processing rules
• Sending and receiving SMS messages
• USSD, Open API for SMS/USSD
• BCCH
• Operator selection
• PIN code management
• Remote work with SIM cards (SIMCloud)
• G.711A/U, G.723.1, G.729A/B
• Detector and suppression of pauses
• Comfort Noise Generation (CNG)
• Voice presence detection (VAD)
• Echo cancellation (G.168)
• Jitter Buffer
• Tone Generator for Connection Setup
• Programmable gain control
• 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)
• SIP Release Code which can be configured
• DNS SRV/A Query
• Outgoing Proxy
• DTMF Mode: Signal/RFC2833
• NAT Traversal
• Dynamic NAT, static NAT, STUN.

Technical specifications