Grandstream Networks HandyTone-496 - Manual (Page 41)

HandyTone-496 User Manual Grandstream Networks, Inc
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another. UDP does not provide the reliability and ordering guarantees that TCP does;
datagrams may arrive out of order or go missing without notice. However, as a result, UDP is
faster and more efficient for many lightweight or time-sensitive purposes.
VAD
Voice Activity Detection or Voice Activity Detector is an algorithm used in speech processing
wherein, the presence or absence of human speech is 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.