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OpenVox VS-GWM420W module for 3G gateway

OpenVox VS-GWM420W module for 3G gateway

OpenVox VS-GWM420W module for 3G gateway

More details

$718.74 tax incl.
$594.00 tax excl.



Allows OpenVox wireless VS-GW1600/2120 series gateways to support 3G connection to the VoIP devices;

Each module offers 4 3G/UMTS 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: 170g


Frequency range:

VS-GWM420W-E Europe

  • 900/2100MHz @UMTS
  • 900/1800MHz @GSM

VS-GWM420W-A America

  • 850/1900MHz @UMTS
  • 850/900/1800/1900MHz @GSM

VS-GWM420W-T Thailand

  • 850/2100MHz @UMTS
  • 850/900/1800/1900MHz @GSM

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.723, G.726, GSM


  • 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




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