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.
Antratel brought to life a new technology - access to VOIP EXCHANGE. Now, Antratel customers have access to VOIP EXCHANGE and can choose personally right price and quality for calls termination from thousands offers of telecom companies!