GSM VoIP Gateway

Dinstar UC2000-VF is a 16-channel GSM/3G/4G VoIP Gateway in 1U field-proven hardware design, used to establish connections between mobile and VoIP networks, for transmission of both voice and SMS. Integrated GSM/WCDMA/LTE connectivity and SIP protocol compatible with mainstream VoIP platforms, it is suitable for enterprises, multi-site organizations, call terminators and areas with limited landline like rural area to cut down telephony costs and enable easy & efficient communications.

It works standalone and also supports remote SIMs management as an option with Dinstar SIMBank and SIMCloud.

  • VoLTE

  • Voice

  • SMS

  • API

  • SIP

  • SIMCloud

16-channel VoIP GSM/3G/4G Gateway


Voice over LTE (VoLTE)

Hot Swappable SIM Cards

Compatible with mainstream VoIP platform

Mobility Extension, never miss a call

SMS sending & receiving, SMS API

Credit Limit management



Mobile connectivity for SME IP phone system

Mobile trunking for Multi-site offices

GSM/3G as voice backup trunks

Call termination for service providers

Land-line replacement for rural area

Bulk SMS service

Call Center / Contact Center Solution 
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Easy Management

  • Intuitive Web interface

    Advanced Debug tools

  • Remote SIMs management with Dinstar SIMBank & SIMCloud

    Configuration Backup&Restore

  • Features
  • Download
  • 8/16 SIM slot, 8/16 antennas
    Signaling & RTP Encryption
    Built-in antennas combiner (Optional)
    SMPP for SMS
    GSM: 850/900/1800/1900Mhz
    HTTP API for SMS
    WCDMA: 900/2100Mhz or 850/1900Mhz
    Polarity Reversal
    LTE: Multiple frequency choices for different countries
    PIN Management
    SIP v2.0, RFC3261
    Codecs: G.711A/U , G.723.1, G.729AB
    SMS to Email, Email to SMS
    Echo Cancellation
    Call Waiting/Call Back
    DTMF: RFC2833, SIP Info
    Call Forward
    Programmable Gain Control
    GSM Audio Coding: HR, FR,EFR, AMR_FR,AMR_HR
    Mobile to VoIP, VoIP to Mobile
    HTTPS/HTTP Web Configuration
    SIP Trunk and Trunk Group
    Configure Backup/Restore
    Port and Port Group
    Firmware Upgrade by HTTP/TFTP
    Caller/Called Number Manipulation
    CDR(10000 Lines Storage Locally)
    SIP Codes Mapping
    White/Black List
    Traffic statistics: TCP,UDP,RTP
    PSTN/VoIP Hotline
    VoIP Call Statistics
    Abnormal Call Monitor
    PSTN Call statistics: ASR,ACD,PDD
    Call Minutes Limitation
    IVR Customization
    Balance Check
    Auto Provisioning
    Random Call Interval
    SIP/RTP/PCM Capture
    Auto CLIP
    Work with Dinstar SIMCloud/SIMBank (Optional)
  • UC2000-VF GSM LTE VoIP Gateway Datasheet
    UC2000 Series GSM LTE VoIP Gateway User Manual