Grandstream Networks Grandstream BudgeTone 200 User Manual page 54

Voice Activity Detection or Voice Activity Detector is an algorithm used in
speech processing
detected from the audio samples.
VLAN
A virtual LAN, known as a VLAN, is a logically-independent network. Several
VLANs can co-exist on a single physical switch. It is usually refer to the IEEE
802.1Q tagging protocol.
VoIP
Voice over IP
VoIP encompasses many protocols. All the protocols do some form of signalling
of call capabilities and transport of voice data from one point to another. e.g: SIP,
H.323, etc.
wherein, the presence or absence of human speech is
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