GSM VoIP Gateway which provides 16 SIM modules; Supports 16 GSM channels and 1 Ethernet ports.
OpenVox WGW1002G is an industry 1st open source asterisk-based GSM VoIP Gateway solution for SMBs. It supports 2 SIM cards with hot-swap. Also secondary development can be completed through AMI (Asterisk Management Interface).
The FXO/FXS/GSM Gateway VS-GW1202 with the Modular Design can provides up to 2 plug-in gateway modules.
FXO/FXS/GSM/WCDMA 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.
The new GSM Gateway SWG-2008 with the Modular Design can provides up to 2 plug-in GSM gateway modules which could support 4 or 8 GSM channels and 2 Ethernet ports, developed for interconnecting a wide selection of codecs, including G.711A, G.711U, G.729, G.722, G.723, G.726 & GSM, to the GSM cellular networks to quickly reduce telecommunication...
OpenVox VS-GW2120 V2 GSM Wireless Gateway Up to 11 plug-in GSM/WCDMA/LTE gateway modules; Support from 4 to 44 channels and 2 Ethernet ports.