User Manual
Aolynk EP302 IP Phone
8 Appendix – Glossary
58
Acronym
Item
Explanation
Emergenc
Call
y
p the
When a pre-defined emergency number is dialed
(such a call is an emergency call), the system
automatically selects a voice gateway to set u
call.
FWD
MAIL
Forward to
in effect, incoming calls are
Voice Mail
When this feature is
forwarded to the voice mailbox unconditionally.
Global
Directory
List of users and the corresponding telephone
numbers in a global network.
line number is configured on a phone, it
er
Hot
Line
When a hot
automatically places a call to the hotline numb
immediately after the handset is picked up.
Hunt
Group
A group of users. When the hunt group number is
dialed, telephones of all online users in the group will
ring, and the call can be answered on any of these
telephones to stop the ringing of all these telephones.
ITU-T
G.711A/µ
G.711A/µ
ITU-T
A voice coding standard defined by the ITU
(international telecommunications union), with the
coding type of PCM and the bit rate of 56 kbps and 64
kbps.
ITU-T
G.722
2
ding standard defined by the ITU
ITU-T G.72
A voice co
(international telecommunications union), with the
coding type of ADPCM and the bit rate of 64 kbps, 56
kbps, and 48 kbps.
ITU
G.723
-T
on), with the
Q, and the
ITU-T G.723
A voice coding standard defined by the ITU
(international telecommunications uni
coding type of CELP and MP-ML
corresponding bit rate of 5.3 kbps and 6.3 kbps
respectively.
ITU-T
G.729
ITU-T G.729
G.729 is often used for low-bit-rate, narrowband
A voice coding standard defined by the ITU
(international telecommunications union), with the
coding type of CS-CELP and the bit rate of 8 kbps.
communications.
LCD
n display on the telephone
set.
Liquid Crystal
Display
LCD screen for informatio
LAN
Local Area
Network
A LAN is typically an intranet inside a family, an office,
a small building and so on.
Log
In
Process that a user obtains authority to use the
telephone system through authentication.
Log
Out
Process that a user exits the telephone
using the telephone.
system after
MOS
n
Score
TU-T P.800.
Mean
Objectio
A qualitative method for voice quality evaluation
developed by the I
