Voip Gateways


VS-GW1600 V2 Wireless Gateway, an upgrade product of the VS-GW1600 Series, is now the leading open source asterisk-based VoIP Gateway solution for SMBs and SOHOs. With friendly GUI and unique modular design, users may easily setup their customized Gateway. Also secondary development can be completed through AMI (Asterisk Management Interface).

There are three models with new VoxStack series Gateway, the VS-GW1202 V2, VS-GW1600 V2 and VS-GW2120 V2 Wireless Gateway. The VS-GW1600 V2 Wireless Gateway with the Modular Design can provides up to 5 plug-in GSM/WCDMA/LTE gateway modules which could support from 4 to 20 GSM/WCDMA/LTE 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 2G/3G/4G networks to quickly reduce telecommunication expenses and maximize cost-savings. With the unique design of the VS-GW1600 V2 Wireless Gateway, it can support hot-swap for both SIM cards and GSM/WCDMA/LTE wireless gateway modules. Users can simply add or remove the modules for hardware expansion or exchange. 

The Wireless 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 VS-GW1600 V2 Wireless Gateway use standard SIP protocol and compatible with Leading IMS/NGN platform, IPPBX and SIP servers, support most of the VoIP operating platforms such as Asterisk, Elastix, 3CX, FreeSWITCH ,Broadsoft etc.

Technical Specifications:

  • Up to 20 GSM/WCDMA/LTE Channels
  • 1 SIM card per GSM/WCDMA/LTE channel
  • 2 10/100M LAN interfaces
  • Up to 20 Standard SMA-K interfaces
  • Storage temperature range: -20~70℃
  • Operation temperature range: 0~40℃
  • Operation humidity range: 10%~90% non-condensing
  • Power source: 100-240V/1-2A
  • Power Consumption: 46W
  • Dimension: 44cm*30cm*4.5cm
  • Weight:
    VS-GW1600 V2: 3682g
    VS-GWM420G: 162g
    VS-GWM420W: 170g
    VS-GWM420L: 178g

Software & Platform:

  • Linux


  • Certificates:CE

VS-GW1600 V2 Wireless Gateway Frequency Range

Module Type




GSM 850/900/1800/1900MHz


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


LTE FDD: B1/B3/B5/B8
LTE TDD: B38/B39/B40/B41
GSM: 900/1800MHz

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

Australia/New Zealand/Taiwan/Brazil
LTE FDD: B1/B2/B3/B4/B5/B7/B8/B28
WCDMA: B1/B2/B5/B8
GSM: B2/B3/B5/B8

  • Features

    • Simple and convenient configuration via Web GUI
    • Support http / https / SSH
    • Basic security strategy(white/black list, security rules)
    • Optional GSM Voice Codec
    • Codecs support: G.711A, G.711U, G.729, G.723.1, G.722, G.726, GSM
    • SIP(RFC3261) compliance
    • Support diverse SIP, IAX2 protocols 
    • Multipe SIP/IAX2 Registratio models: None,server, client
    • DTMF Signaling support: RFC2833, Inband, SIPINFO
    • Real Open API Protocol(based on Asterisk)
    • Support static IP and DHCP
    • Call Duration Limit
    • CLIR(Call Line Identification Restriction)
    • Call Waiting
    • Call Forwarding (unconditional, no reply, busy, not reachable)
    • SMS bulk transceiver, SMS automatically resend, Sent to Email
    • Support HTTP SMS interface
    • SMS Forwarding
    • USSD transceiver
    • SMS remotely controlling gateway
    • IMEI number automatically modify
    • PIN identification
    • Mobile number portability (MNP)
    • Flexible routing settings & unlimited routing rules
    • Support DISA
    • Extensible Automatic Callback and Speed Dial
    • Customizable IVR
    • CDR(More than 200,000 Lines CDRs Storage Locally)
    • Support configuration files 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 sip server, such as: Asterisk, Elastix, 3CX, FreeSWITCH, etc
    • Available for OEM
    • 3-Month “No Questions Asked” Return Policy
    • One Year Warranty