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» OpenVox VS-GW2120-20W VoxStack UMTS Gateway

Product ID: VS-GW2120-20W
Manufacturer: OpenVox
Free Standard Shipping on Orders ≥ 500 EUR
openvox vs gw2120 20w umts gateway 20 channel umts
OpenVox VS-GW2120-20W VoxStack UMTS Gateway; 20-Channel UMTS Discounts Apply !
Store Price: 2,359.02 EUR / 2,807.23 EUR incl. Tax
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OpenVox VS-GW2120-20W UTMS Gateway.

The OpenVox VoxStack VS-GW2120 UTMS Gateways are open-source Asterisk®-based UTMS VoIP Gateway solutions for SOHOs and SMBs. 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).

OpenVox VoxStack VS-GW2120 UTMS Gateways can support up to 44 channels synchronously and support hot-swap for both SIM cards and GSM/WCDMA/LTE gateway modules. Users can simply add or remove the modules for hardware expansion or exchange. Users can simply add or remove the modules for hardware expansion or exchange.

The modular design UTMS Gateways are developed for interconnecting a wide selection of codecs, including G.711A, G.711U, G.729, G.722, G.723, G.726& GSM. With 3G connection to VoIP gateway, it can quickly reduce telecommunication expenses and maximize cost-savings. The VoxStack VS-GW2120 UTMS Gateways are designed with a LAN Switch board that provides stackability on the hardware upgrade.

The OpenVox VoxStack VS-GW2120 UTMS Gateways use standard SIP protocol and are fully compatible with leading IMS/NGN platforms, IPPBXs and SIP servers and support most of the VoIP operating platforms such as Asterisk®, Elastix®, 3CX, FreeSWITCH™, Broadsoft®, etc.

  • 4/8/12/16/20/24/28/32/36/40/44 UTMS port capacity
  • LAN ports: 2
  • Hot-swap design for Modules
  • Compatible with Asterisk®, Elastix®, 3CX, FreeSWITCH™ Sip Server and VOS VoIP operating platform

Software & Platform

  • Linux


  • Simple and convenient configuration via Web GUI
  • Abundant Log Features
  • Open API interface (AMI)
  • Support T.38 fax relay and T.30 fax transparent, can continually fax multiple pages
  • Echo cancellation and Static jitter buffer
  • Support DTMF relay
  • Support Ring cadence and frequency setting
  • Support volume control
  • Support MWI (Message waiting indicator)
  • Support DHCP, DNS/DDNS, NAT networking
  • Support diverse SIP protocols
  • Diverse extensible applications, such as IVR, DISA
  • Support NTP time synchronization and client time synchronization
  • Support modify username and password for web login
  • Support SSH remote operation
  • Support SRTP
  • Support SIP server mode
  • Support update firmware online
  • Support configuration file backup and upload
  • Support for custom scripts, dialplans
  • Compatible with Asterisk®, Elastix®, 3CX, FreeSWITCH™ Sip Server and VOS VoIP operating platform


  • SOHOs
  • SMBs


Manufacturer's Product Warranty Period: 1-year. (See Manufacturer's own web site for details)



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