Avaya one-X 9600 Series Administrator's Manual page 181

VoIP Voice over IP, a class of technology for sending audio data and signaling over LANs.
VPN Virtual Private Network; a private network constructed across a public network such
as the Internet. A VPN can be made secure, even though it is using existing Internet
connections to carry data communication. Security measures involve encrypting data
before sending it across the Internet and decrypting the data at the other end. An
additional level of security can be added by encrypting the originating and receiving
network address.
VSI Vendor Specific Information; used in determining IPv6 information.
WML Wireless Markup Language, used by the 9600 Series IP Telephone Web Browser to
communicate with WML servers.
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