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Dinstar UC2000-VE-4W-B GSM Gateway



Dinstar UC2000-VE-4W-B GSM Gateway
Dinstar UC2000-VE-4W-B is a multifunctional four-channel gateway that helps effectively make calls between the 2G GSM mobile network with the VoIP network. It is worth noting that this voIP GSM gateway model supports the expansion of up to 8 GSM channels, which allows the use of equipment in the future if necessary expansion. With an open API, users can create their own app to send SMS/USSD messages or mass SMS messages or receive their text messages via email, HTTP, and so on. THE GSM VoIP gateway Dinstar UC2000-VE-4W-B has excellent performance in software functions and in the new hardware structure. Gateway provides an inexpensive, easy and flexible IP telephony solution for small and medium-sized businesses and business offices.


  •  Dinstar UC2000-VE-4W-B GSM Gateway
  • Processing Sending and Receiving USSD
  •  Installation of the SIM card: local SIM/remote SIM with SIMBank
  • Network protocols IP v4, TCP/UDP, PPPoE, DHCP, FTP/TFTP, ARP, RARP, NTP, http.
  •  operating temperature range 0...


  • Protocol: SIP v2.0, RFC3261
  • Codecs:G.711A/U law, G.723.1, G.729A/B
  • Silence Suppression
  • Comfort Noise Generator(CNG)
  • Voice Activity Detection(VAD)
  • Echo Cancellation: G.168 with up to 128ms
  • Dynamic Jitter Buffer
  • DTMF: RFC2833, SIP Info
  • Call Progress Tone Generation
  • Programmable Gain Control
  • NAT: STUN, Dynamic NAT, Static NAT

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