Talkswitch CT.TS005.003902 User Manual page 292

UPnP
Universal Plug and Play. Allows networked devices to connect seamlessly in
home and corporate environments using Internet-based communication
standards.
USB
Universal Serial Bus. USB connection supports more bandwidth than a serial
or parallel connection.
Virtual
The term 'virtual' refers to something that is not physically plugged in.
Voicemail (call answer)
A service provided by TalkSwitch or telephone companies giving callers the
opportunity to leave a message when your phone is busy or unanswered.
VoIP
Voice over IP. Sending voice over an Internet connection.
VPN
Virtual Private Network. A communication network used within a company
or organization to communicate over a public network. VPN message traffic is
carried on Internet infrastructure using standard protocols.
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