6. Abbreviations
DND : Do Not Disturb
CFWD : Call Forward
Bxfer : Blind Transfer
Conf : Conference
Num : Number
DelChr : Delete Char
Y/N : Yes/No
SIP:Session Initiate Protocol
RTP:Real-time Transport Protocol
SDP:Session Description Protocol
VPN:Virtual Private Network
VLAN:Virtual Local Area Network
QoS:Quality of Service
Syslog : System log UDP:User Data
Protocol TCP:Transmission Control
Protocol TLS:Transport Layer Security
Protocol BLF:Busy Lamp Field
DNS:Domain Name System
SRTP:Secure Real-time Transport Protocol
NTP:Network Time Protocol
VAD:Voice Activity Detection
CNG:Comfort Noise Generator