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 most cheaper VoIP provider to PC2Phone in whole europe. In terms of outsourcing from South Asia we are able to satisfy near about 3500 customer till now.