Grandstream Networks GXW400x Manuel D’Utilisation

 

Grandstream Networks, Inc. 

Page 31 of 31  

 

 

UDP  User Datagram Protocol (UDP) is one of the core protocols of the 

. Using 

UDP, programs on networked computers can send short messages known as 

 to one another. 

UDP does not provide the reliability and ordering guarantees that 

 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 

wherein, the presence or absence of human speech is detected from the audio samples. 
 
VLAN  A virtual 

, known as a VLAN, is a logically-independent 

. Several VLANs can co-exist 

on a single physical 

. It is usually refer to the 

 tagging protocol. 

 
VoIP  Voice over the Internet.  VoIP encompasses many protocols. All the protocols do some form of 
signaling of call capabilities and transport of voice data from one point to another. e.g.: SIP, H.323, etc.