User Manual
Aolynk EP302 IP Phone
8 Appendix – Glossary
55
8
ary
Table 8-1
Glo
Appendix – Gloss
ssary
Acronym
Item
Explanation
802.1 P
802.1 P
e
dded to it. For packets
802.1 P defines the concept of priority. When a fram
is sent, a 3-bit priority field is a
with high real-time requirement, the priority level
defined in the priority field is high.
802.1 Q
ocol, namely, the VLAN (virtual local
802.1Q
The 802.1 Q prot
area network) protocol, mainly defines the
implementation of VLANs.
AEC
Acoustic
Cancellation
Echo
AEC eliminates echoes caused by insufficient
coupling between the microphone and
speaker/earphone.
ARP
Address
Resolution
Protocol
ARP maps IP addresses to MAC (media access
control) addresses.
Announced
Conference
ber, ask
is willing to participate in the
To invite a third party into an announced conference,
the caller party needs to dial the person’s num
whether he/she
three-party conference, and then decides whether to
add it into the conference.
Attended
Transfer
only after
For attended transfer, the call is transferred
the called party agrees.
Auto-Answer/
Handsfree
er can answer the call
essing
When a call comes, the user is prompted by a special
ring tone, and the phone automatically enters the
handsfree mode so that the us
without the need of picking up the handset or pr
any button.
AGC
Automatic
olume of the receiver
olume of the receiver
Gain Control
AGC automatically adjusts the v
during a call so that the output v
is neither too high nor too low.
Barge
in
This is to intervene in a monitored call to set up a
three-party call.