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.
VaxStream Corporation is a Facility-based IP Carrier. This means that we are the service provider and there are no middlemen, so you save "BIG" and get the best in quality.