There is no product in your quotation
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...