VoiSmart VoIP/GSM/SMS Gateway is an Asterisk-based IP gateway which allows you to transform fixed-to-mobile into mobile-to-mobile traffic in the simplest and most efficient way. It's a true “black box”, which can be reached as a VoIP client/server. VoiSmart VoIP/GSM/SMS Gateway integrate the SMS server feature that allows to send and receive high volumes of SMS traffic in the simplest and most efficient way. It is ready to be configured as a Mail server or a POP3 client. It allows multiple simultaneously active GSM channels, in different case configurations (from 4 up to 32 engines). The VoiSmart Gateways support SIM server functionalities for remote and central storing of any number of SIM cards.