VASC Software and Media Company (VASC) is a wholly owned subsidiary of Vietnam Post and Telecommunications (VNPT) which currently owns and controls the national network on behalf of the government, most of the access network, the largest international gat
Free Reseller solution ,customized and ready in 24h with sofphone and user portal with your name,color and logo.Fully solutions billing,routing,callshop,calling card,user interface,did,webcallback,cli callback,voip mobile,customized softphone
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