GSM gateway Dinstar DWG2000E-4G-B for 4 sim-cards

Dinstar DWG2000E-4G-B – GSM gateway for 4 SIM cards (4 GSM/CDMA channels), designed to make calls from VoIP to GSM and from GSM to VoIP. DWG2000E-4G-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-4G-B – GSM gateway for 4 SIM cards (4 GSM/CDMA channels), designed to make calls from VoIP to GSM and from GSM to VoIP. DWG2000E-4G-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-4G, the Dinstar DWG2000E-4G-B model does not have:

• automatic change of IMEI
• support of SIM bank and SIM server

Peculiarities

• 4 GSM/CDMA channels
GSM
• :
• 4-band 850/900/1800/1900 MHz
• CDMA: 800 MHz
• To
• 8
• simultaneous
• challenges
• /USSD
• BCCH
• Operator selection
• PIN code management
• Remote work with SIM cards (SIMCloud)
G.711A/U
• law
• , G.723.1, G.729A/B
• Detector and suppression of pauses
• Generation
• comfort noise (CNG)
• .168)
• Jitter Buffer
• Tone Generator for Connection Setup
• Programmable gain control
• SIP V2.0 RFC3261
• SDP RFC2327
• Timer
• sessions
• RFC4028
RTP/
• RTCP
• RFC3551
• SIP registration
SIP trunk (
• peer to peer
• mode)
• SIP Trunk Groups
• Proxy
• DTMF Mode: Signal/RFC2833
• NAT Traversal
• Dynamic NAT, static NAT, STUN.

Characteristics