G400 Series
Supports up to 4 GSM channels; supplied with fully GPL drivers for linux 2.4.X and 2.6.X kernels; can be connected to any other OpenVox card to build a real TDM switching PBX;
GSM/LTE/WCDMA Wireless Gateways
OpenVox VS-GWP2120 GSM/WCDMA/LTE Wireless Gateway
Up to 11 plug-in GSM/WCDMA/LTE modules; supports 4 to 44 channels and 2 Ethernet ports.
- GSM 850/900/1800/1900MHzBand
- 44Number of channels
- 6.5kgWeight
Product details
VS-GWP2120 Wireless Gateway is compatible with a range of modules (2G/3G/4G), enabling secure and efficient interconnection between the GSM/WCDMA/LTE network and the VoIP network. The new Voxstack Gateway series includes two models: VS-GWP1600 and VS-GWP2120 Wireless Gateway. The VS-GWP2120 Wireless Gateway can accommodate up to 11 plug-in modules, supporting 4 to 44 GSM/WCDMA/LTE channels. Thanks to its unique design, it supports hot swapping of SIM cards and GSM/WCDMA/LTE gateway modules.
The wireless gateway is equipped with a LAN switch card that enables stackability during hardware upgrades. Users can simply add or remove modules for expansion or hardware replacement. With a user-friendly GUI and a unique modular design, users can easily configure their custom gateway. Secondary development can also be carried out via the API. This provides users with more diverse telecom access methods and helps reduce communication costs.
The VS-GWP2120 Wireless Gateway delivers excellent HD voice service with multiple codecs, including G.711A, G.711U, G.722, G.726, G.729A, and GSM, as well as flexible SMS service via the SMS API. It uses the standard SIP protocol and is compatible with major IMS/NGN platforms, IPPBX systems, and SIP servers, supporting most 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℃
Operating temperature range: 0~50℃
Operating humidity range: 10%~90% non-condensing
Power supply: 100-240V/1-2A
Power: 75W
Dimensions: 43.4cm30cm8.8cm
Weight: VS-GWP2120: 5600g VS-GWM420G: 162g VS-GWM420W: 170g VS-GWM420L: 178g
Software & Platform:
Linux OS
Certification:
CE, FCC
Key features
Simple and convenient configuration via Web GUI
http / https / SSH support
Basic security strategy (whitelist/blacklist, security rules)
Optional GSM voice codec
Supported codecs: G.711A, G.711U, G.722, G.726, G.729A, GSM
SIP compliance (RFC3261)
Support for various SIP and IAX2 protocols
Multiple SIP/IAX2 registration modes: None, server, client
DTMF signal support: RFC2833, Inband, SIPINFO
Real Open API protocol (Asterisk-based)
Static IP and DHCP support
Call duration limit
CLIR (Calling Line Identification Restriction)
Call waiting
Call forwarding (unconditional, no answer, busy, unreachable)
SMSC/SMS/USSD
Bulk SMS transceiver, automatic SMS forwarding, sending to Email
Support for the HTTP SMS interface
SMS transfer
VPN clients: OpenVPN/PPTP VPN/L2TP VPN/N2N VPN (Not available for EAEU)
USSD transceiver
Remote gateway control via SMS
Automatic IMEI number modification
PIN identification
Mobile Number Portability (MNP)
Flexible routing parameters & unlimited routing rules
DISA support
Expandable automatic callback and speed dial
Customizable IVR
CDR (over 200 000 CDR lines stored locally)
Support for backing up and downloading configuration files
Custom scripts and dial plans support
Least Cost Routing (LCR), by time, port, and calling number
Independent system for each module
Affordable price with superior performance
Hot‑swap design for 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
Specifications
| Specification | Value |
|---|---|
| Software & Platform | |
| Module type | GSM |
| Band | GSM 850/900/1800/1900MHz |
| Number of channels | 44 |
| Weight | 6.5kg |
| Dimensions | 434*330*88mm(length*width*height) |
| Power | 75W (Single AC power supply) |
| SIM card | Hot‑swap |
| Network port | 2*10/100M |
| Console | 1 |
| Operating temperature | 0 °C ~ 50 °C |
| Operating humidity range | 10% ~ 90% |
| Storage temperature range | -20 °C ~ 70 °C |
More from this range
View the range →
G410 Series
Supports up to 4 GSM/WCDMA channels; offers traditional telephony systems complete flexibility to access the GSM/WCDMA network; supports the standard PCI/PCI-E interface.
OpenVox Simbank-128
Simbank-128 is a device capable of centrally storing and managing a large number of SIM cards, offering 128 channels of SIM slots.
OpenVox Simbank-320
Simbank-320 is a device capable of centrally storing and managing a large number of SIM cards, offering 320 SIM slot channels.
Interested in this product?
Request a quote: our team will confirm availability, compatibility and a deployment plan.