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Glossary

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Voice over Wi-Fi

VoIP services delivered over wireless networks. Sometimes referred to as wireless voice over IP. (See IP telephony, VoIP).

VoIP

Voice over Internet Protocol. A technology for transmitting ordinary telephone calls over the Internet using packet-based networks instead of standard public switched telephone networks or Plain Old Telephone Service (POTS). (See IP telephony, Voice over Wi-Fi).

VPN

Virtual Private Network. A network layer encryption scheme that allows remote clients to securely connect to their corporate networks using the Internet. Most major corporations today use VPN to protect their remote-access workers and their connections. It works by creating a secure virtual tunnel from the end-user's computer through the end-user's access point or gateway, through the Internet, all the way to the corporation's servers and systems. It also works for wireless networks and can effectively protect transmissions from Wi-Fi equipped computers to corporate servers and systems.