Hitachi HANDYTONE-486 User Manual
Page 45
HandyTone-486 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.
VoIPon www.voipon.co.uk [email protected] Tel: +44 (0)1245 808195 Fax: +44 (0)1245 600030