
VS-GW2120 Series User Manual
OpenVox Communication Co.Ltd
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1. Overview
What is VS-GW2120 Series?
OpenVox VoxStack Series GSM Gateway is an open source asterisk-based GSM 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 many models with VoxStack series GSM Gateway from 4 to 44 ports. There are 4/8 GSM
channels in VS-GW1202-8G, 4 to 20 ports in VS-GW1600 Series. The Modular Design GSM
Gateways are ranging from 4 up to 44 GSM channels in VS-GW-2120 series gateways, developed
for interconnecting the GSM cellular networks with a wide selection of codecs and signaling
protocol, including G.711A, G.711U, G.729, G.722, G.723, G.726 and GSM to quickly reduce
communication expenses and maximize cost-savings. With the unique design of the VoxStack
gateway, it can support hot-swap for both SIM cards and GSM gateway modules. Users can simply
add or remove the modules for hardware expansion or exchange.
The VS-GW2120 Series gateway designs with 3 LAN switch boards to provide stack ability on the
hardware upgrade, and 11 VS-GWM400G modules which are independent with each other, so
each one has a GUI configuration web. If you connect to ETH1, you can access Board 1 only.
Otherwise if you connect to ETH2/ETH3, you can access different Boards with different IP
addresses.
Our products support SMS messages sending, receiving, group sending and SMS to E-mail. The
GSM gateway will be 100% compatible with Asterisk, Elastix, trixbox, 3CX, FreeSWITCH SIP server
and VOS VoIP operating platform.
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