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VS-GW2120 V2 GSM Wireless Gateway

VS-GW2120 V2 Wireless Gateway, an perfect product of the VS-GW2120 Series, is now the popular open-source Asterisk-based VoIP Gateway solution for SMBs and SOHOs. similar agreeable GUI and matchless modular plan, it can first hot-swap for both SIM cards and GSM/WCDMA/LTE wireless gateway modules. the client can easy to add or remove the modules for hardware expansion or exchange.

SIP(RFC3261) compliance

Support diverse SIP, IAX2 protocols

Multiple SIP/IAX2 Registration 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 numbers 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, dial plans

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 servers, such as Asterisk, Elastix, 3CX, FreeSWITCH, etc Available for OEM

3-Month "No Questions Asked" Return Policy

One Year Warranty

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About US

A VoIP GSM Gateway enables direct routing between IP, digital, analogue and GSM networks. With these devices (fixed cellular terminals) companies can significantly reduce the money they spend on telephony, especially the money they spend on calls from IP to GSM. The core idea behind cost saving with VoIP GSM Gateways is Least Cost Routing (LCR).

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