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.
We are the leading provider of voip solutions. We provide our services to callshops, resellers and end users who wish to offer services to anyone who wants to make international calls.