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 fastest growing telecommunication service provider. Thanks to interconnections with more than 60 carriers we provide you with the best terminating quality at the best voip rates available on the VOIP market.