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.
SRR Technologies is the first of it''s kind SIP VoIP consolidated solutions system and services.
Pricing Starting at:
$ 99.99 a port
$ 1.99 a phone number
$ 0.99 per inbound voice circuit from the carrier