keywords: ip pbx voip gateway gsm gateway


Allows OpenVox wireless VS-GW1600/2120 series gateways to support LTE connection to the VoIP devices;

Each module offers 4 LTE channels.

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  • Specifications

    VS-GWM420L module allows OpenVox wireless VS-GW1600/2120 series gateways to support LTE connection to the VoIP devices. Each module offers four LTE channels.

    Technical Specifications:

    • Storage temperature range: -40~125℃
    • Operation temperature range: 0~50℃
    • Operation humidity range: 10%~90% non-condensing
    • Power source:1U ATX power souce,12V/12A
    • Max Power Consumption: 7W
    • Dimension: 13cm × 2.1cm × 20cm
    • Weight: 178g


    Frequency range:

    VS-GWM420L-CE China/India

    • LTE FDD: B1/B3/B5/B8
    • LTE TDD: B38/B38/B40/B41
    • WCDMA: B1/B8
    • TD-SCDMA: B34/B39
    • CDMA: BC0
    • GSM: 900/1800MHz

    VS-GWM420L-E EMEA/Korea/Thailand

    • LTE FDD: B1/B3/B5/B7/B8/B20
    • LTE TDD: B38/B40/B41
    • WCDMA: B1/B5/B8
    • GSM: B3/B8



    VS-GWM420L-AU/AUX Australia/New Zealand/Taiwan/Brazil

    • LTE FDD: B1/B2/B3/B4/B5/B7/B8/B28
    • LTE TDD: B40
    • WCDMA:  AU: B1/B2/B5/B8   AUX: B1/B2/B4/B5/B8
    • GSM: B2/B3/B5/B8

    VS-GWM420L-AF North America

    • LTE FDD: B2/B4/B5/B12/B13/B14/B66/B71
    • WCDMA: B2/B4/B5
  • Features

    VoIP Characters

    • Support SIP,IAX2 Protocol
    • Add, Modify & Delete SIP/IAX2 Trunk
    • SIP/IAX2 Registration with Domain
    • SIP V2.0 RFC3261 Compliance
    • DTMF Mode: RFC2833/Inband/SIP Info
    • Multiple SIP/IAX2 Registrations modes:
    • Abundant Codecs:G.711A, G.711U, G.729, G.722, G.726, GSM


    • PPTP VPN
    • HTTP/SSH(Optcal Telnet)
    • Ping & Traceroute Command on the Web
    • Simple Security Strategy: white list, black list, security rules


    • Simple and convenient configuration via Web GUI
    • Support maintenance and configuration by SSH
    • Support configuration files backup and upload
    • Support Chinese and English page
    • Firmware Update by HTTP
    • Support Web and SSH login password modification
    • Restore Factory Settings
    • CDR(More than 200,000 Lines CDRs Storage Locally)
    • System log
    • SIP/IAX2 log
    • TCP and SIP capture

    System Features

    • Combine Different SIP/IAX2 Trunk into Group
    • CLID Display & Hide (Need operators' support )
    • Random call interval
    • Call Duration Limitation
    • Single Call Duration Limitation
    • Real Open API Protocol (based on Asterisk)
    • Support DISA
    • PIN Identification
    • Optional Voice Codec
    • Ports Group Management
    • SMS Bulk Transceiver, Sent to Email and Automatically Resend
    • SMS Coding/Detecting Automatically Identification
    • SMS Remotely Controlling Gateway
    • SMS Forwarding and Quick Reply
    • USSD transceiver
    • Outbound
    • Automatically Reboot
    • Support MMP
    • Support for custom scripts, dialplans
    • Support Openvox cloud manage
  • Accessories

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