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.
nexVortex, Inc.
nexVortex is an Internet Telephony Service Provider. We specialize in delivering high quality Voice over IP communication services to small and medium sized businesses using SIP Trunking.
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