keywords: ip pbx voip gateway gsm gateway

OpenVox VS-GWP2120 GSM/WCDMA/LTE Wireless Gateway

Up to 11 plug-in GSM/WCDMA/LTE gateway modules;

Support from 4 to 44 channels and 2 Ethernet ports.

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  • Specifications

    VS-GWP2120 Wireless Gateway which can be compatible with a series of modules(2G/3G/4G), enabling interconnection between GSM/WCDMA/LTE network and VoIP network safely and efficiently. There are two models with the new Voxstack Series Gateway, VS-GWP1600 and VS-GWP2120 Wireless Gateway. The VS-GWP2120 Wireless Gateway can provide up to 11 plug-in modules that could support from 4 to 44 GSM/WCDMA/LTE channels. With the unique design of the VS-GWP2120 wireless gateway, it can support hot-swap for SIM cards and GSM/WCDMA/LTE wireless gateway modules. 

    The wireless gateway is designed with a LAN switch board that provides stackability on the hardware upgrade. Users can simply add or remove the modules for hardware expansion or exchange. With a friendly GUI and unique modular design, users may easily set up their customized gateway. Also, secondary development can be completed through API. It can provide users with more diverse telecommunication access methods and help users reduce communication costs.

    The VS-GWP2120 Wireless Gateway can bring excellent HD voice service with multiple codecs, including G.711A, G.711U, G.722, G.726, G.729A, GSM, and also flexible SMS service with SMS API. It uses the standard SIP protocol and is compatible with leading IMS/NGN platforms, IPPBX, and SIP servers supporting most of the VoIP operating platforms such as Asterisk, 3CX, FreeSWITCH SIP server, BroadSoft, etc.


    Technical Specifications:

    • Up to 44 GSM/WCDMA/LTE Channels
    • 1 SIM card per GSM/WCDMA/LTE channel
    • 2 10/100M LAN interfaces
    • Up to 44 Standard SMA-K interfaces
    • Storage temperature range: -20~70℃
    • Operation temperature range: 0~50℃
    • Operation humidity range: 10%~90% non-condensing
    • Power source: 100-240V/1-2A
    • Power: 75W
    • Dimension: 43.4cm*30cm*8.8cm
    • Weight:
      VS-GWP2120: 5600g
      VS-GWM420G: 162g
      VS-GWM420W: 170g
      VS-GWM420L: 178g

    Software & Platform:

    • Linux OS


    • CE, FCC
    VS-GWP2120 Wireless Gateway
    Module Type GSM WCDMA/LTE
    Band GSM 850/900/1800/1900MHz China/India
    LTE FDD: B1/B3/B5/B8
    LTE TDD: B38/B39/B40/B41
    WCDMA: B1/B8
    TD-SCDMA: B34/B39
    CDMA: BC0
    GSM: 900/1800MHz
    LTE FDD: B1/B3/B5/B7/B8/B20
    LTE TDD: B38/B40/B41
    WCDMA: B1/B5/B8
    GSM: B3/B8
    Australia/New Zealand/Taiwan/Brazil
    LTE FDD: B1/B2/B3/B4/B5/B7/B8/B28
    LTE TDD: B40
    WCDMA: B1/B2/B5/B8
    GSM: B2/B3/B5/B8
    Channel Number  44
     Weight 6.5kg
    Dimension 434*330*88mm(length*width*height) 
     Power 75W(Single AV power supply) 
     SIM Card  Hot-swap
    Network Port 2*10/100M
    Console 1
    Operation Temperature 0 °C ~ 50 °C
    Operation Humidity Range 10% ~ 90%
    Storage Temperature Range -20 °C ~ 70 °C



  • 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.722, G.726, G.729A, 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
    • VPN clients:OpenVPN/PPTP VPN/L2TP VPN/N2N VPN (Not available for EAEU)
    • 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
  • Accessories


    Each module offers 4 GSM channels


    Each module offers 4 LTE channels

  • Demo

    Online Demo