Openvox VS-GW1600-20G 20 Channels Rack Mount GSM Gateway

  • Model: VS-GW1600-20G
  • UPC: 617375767188
  • EAN: 6958078901894
  • Shipping Weight: 15lbs
  • Manufactured by: OpenVox

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This product is not available for order to the USA. Please call 626-628-8307 for any questions.

Product Spotlight
OpenVox VoxStack Series GSM Gateway is an open source asterisk-based GSM VoIP Gateway solution for SMBs and SOHOs. With friendly GUI and unique modular design, users may easily setup their customized Gateway.

  • Independent System for Each Module
  • Affordable Price with Superior Performance
  • Hot-swap Design for both Sim cards and Modules
  • Compatible with Asterisk, Elastix, 3CX, FreeSWITCH Sip Server
  • Available for OEM
  • 3-Month "No Questions Asked" Return Policy
  • 3 Year Limited Warranty

There are three GSM Gateway models with VoxStack series GSM Gateway, the VS-GW1200-4G, VS-GW1202-8G and VS-GW1600 GSM series. The Modular Design GSM Gateways are ranging from 4 up to 20 GSM channels, developed for interconnecting a wide selection of codecs, including G.711A, G.711U, G.729, G.722, G.723, G.726 & GSM , to the GSM cellular networks to quickly reduce telecommunication expenses and maximize cost-savings. With the unique design of the VoxStack Gateway, it can support hot-swap for both SIM cards and GSM gateway modules. Users can simply add or remove the modules for hardware expansion or exchange. Each GSM gateway module runs an independent asterisk system inside.

The VoxStack gateway designs with a Lan Switch board that provides stackability on the hardware upgrade. It supports SMS messages sending and receiving and group sending and SMS to email. The GSM Gateways are 100% compatible with asterisk, Elastix, trixbox, 3CX and FreeSWITCH sip server.

Technical Specifications:

  • 4/8/16/20 GSM Channels
  • 1 SIM card per GSM channel
  • Quad-Band GSM/GPRS 850/ 900/1800/1900 MHz
  • Fast call setup
  • PIN modification
  • 2 LAN ports
  • 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: 180W
  • Dimension: 44cm × 4.5cm × 30cm
  • Weight: VS-GW1600-20G: 4301g, VS-GWM400G: 214g


  • Simple and convenient configuration via Web GUI
  • Multiple Languages
  • Call Duration Limit
  • CLIR
  • Call Waiting
  • NTP Server
  • Least Cost Routing(LCR), According to Time, Port,Calling Number
  • Quad-Band GSM 850/ 900/1800/1900 MHz & Band binding
  • SMS bulk transceiver, messages sent to email and SMS automatically resend
  • USSD transceiver
  • SMS remotely controlling gateway
  • IMEI number automatically modify
  • PIN identification
  • Open API interface(AMI)
  • Support diverse SIP, IAX2 protocols(coming soon)
  • Flexible routing settings & unlimited routing rules
  • Diverse extensible applications, such as IVR,DISA
  • Support configuration file backup and upload
  • Support for custom scripts, dialplans
  • Least Cost Routing(LCR),according to Time, Port,Calling Number

Software & Platform:

  • Linux


  • One Year Limited Warranty

The VS-GW1600 GSM series comes with the following models:

Product  Model Description
VS-GW1600-4G 4 GSM Channels VoIP Gateway
VS-GW1600-8G 8 GSM Channels VoIP Gateway
VS-GW1600-12G 12 GSM Channels VoIP Gateway
VS-GW1600-16G 16 GSM Channels VoIP Gateway
VS-GW1600-20G 20 GSM Channels VoIP Gateway

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