AddPac AP-GS1004A is one of the models of inter-network VoIP GSM gateways, through which, it is possible to format a single network unit and to use it for VoIP-telephony, analog communication lines and GSM-network.
VenIP - it''''s an international brand Vensys Sp. z oo, which combines the experience and practice of the best specialists in Eastern Europe in the field of VoIP.