The VoIp GSM Gateway Portech MV-378 (8 SIM CARDS CHANNEL BANK), in my think of view is the most affordable way to access the GSM network from our Elastix Box. Before i play with this device, had some experience working with the 2N VoiceBlue ( 4 sim cards). The difference are many. But if you think in cost-benefits relation, this gateway (portech) answer almost all features really needed. I figured that was so simple to configurate, but is not like i think in the beginning the game. This way was used for me to setup this device in critical mission scenario. the most interesting features are:
1.
Phone System 