VoIP (Voice over Internet Protocol)
Also called IP Telephony, Internet telephony, Broadband telephony, Broadband Phone and Voice over Broadband is the routing of voice conversations over the Internet or through any other IP-based network. VoIP is commonly used in collection call centers as a cost effective telephony solution.
VPN (Virtual Private Network)
A virtual private network is a private communications network often used by companies or organizations, to communicate confidentially over a public network.
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