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.
508comms is a telecommunications service provider, a-z terminations, We are focus on Asia and Middle East.our own terminations is China,Cambodiaindonesia,myanmar,vietnam,Pakistan.sales@508comms.com