VS-GW1600 GSM Series

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 FreeSWITCH sip server and VOS VoIP operating platform.
  • About
  • Features
  • Manual

Technical Specifications

  • Up to 44 GSM Channels
  • 1 SIM card per GSM channel
  • 3 10/100M LAN interfaces
  • Up to 44Standard SMA-K interfaces
  • Storage temperature range: -20~70℃
  • Operation temperature range: 0~40℃
  • Operation humidity range: 10%~90% non-condensing
  • Power source: 100-240V/2-3A
  • Power: 88W
  • Dimension: 48.3cm*33.1cm*8.8cm
  • Weight
    • VS-GW2120 Series: 8624g
    • VS-GWM400G: 214g

The VS-GW1600 Includes The Following Models

Product Model Description
VS-GW2120-4G 4 GSM Channels VoIP Gateway
VS-GW2120-8G 8 GSM Channels VoIP Gateway
VS-GW2120-12G 12 GSM Channels VoIP Gateway
VS-GW2120-16G 16 GSM Channels VoIP Gateway
VS-GW2120-20G 20 GSM Channels VoIP Gateway

Software & Platform

  • Linux


  • Simple and convenient configuration via Web GUI
  • Multiple Languages
  • codecs support G.711A, G.711U, G.729, G.723.1, G.722, G.726,GSM
  • Quad-Band GSM 850/ 900/1800/1900 MHz & Band binding
  • SIP(RFC3261) Compliance
  • Support diverse SIP, IAX2 protocols(coming soon)
  • DTMF Signaling support RFC2833, Inband, SIP Info
  • Open API interface(AMI)
  • Echo Cancellation: ITU-T G.168 LEC
  • Support static IP and DHCP
  • Support OpenVPN and PPTP(Coming soon)
  • Call Duration Limit
  • CLIR(Call Line Identification Restriction)
  • Call Waiting
  • Call Forwarding(Unconditional, No Reply, Busy, Not Reachable)
  • SMS bulk transceiver, SMS automatically resent
  • Support HTTP SMS Interface
  • SMS sent to E-mail
  • USSD transceiver
  • SMS remotely controlling gateway
  • IMEI number automatically modify
  • PIN identification
  • Mobile number portability(MNP)
  • 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
  • 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 and VOS VoIP operating platform
  • Available for OEM
  • 3-Month "No Questions Asked" Return Policy
  • One Year Warranty