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 selling GOIP devices in Pakistan at very Attractive Price.Availability from 1 Port to 16 ports and SMB32.
contact us on email: info.brands@yahoo.com