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Ultrative
Communication
Type
The
type
of
Jitter
Buffer
is
Adaptive
or
Fixed,
default
is
adaptive.
Min
Delay
The
min
delay
range
setting
,
default
is
60.
Max
Delay
The
max
delay
range
setting
,
default
is
150.
Normal
Delay
The
normal
delay
range
setting
,
default
is
120.
Other
Play
Load
Length
The
play
load
length
setting,
default
is
30ms.
High
Rate
Of
G723.1
Enable/Disable
High
Rate
of
G723.1
feature.
VAD
Enable/Disable
VAD
feature.
Echo
Suppression
Mode
Enable/Disable
Echo
Suppression
Mode
feature.
Side
Tone
Enable/Disable
Side
Tone
feature.
6.3
Line
Keys
ITEMS
DESCRIBES
Line
The
default
value.
Speed
Dial
You
can
use
this
key
feature
to
speed
up
dialing
the
numbers
often
used
or
hard
to
remember.
Speed
Dial
Prefix
You
can
use
this
key
feature
to
speed
up
dial
a
call
with
a
specified
prefix
number.
DTMF
You
can
use
this
key
feature
to
send
the
specification
of
arbitrary
key
sequences
via
DTMF.
BLF
You
can
use
the
BLF
feature
to
monitor
a
specific
user
for
status
changes
on
the
phone.
Paging
You
can
use
multicast
paging
to
quickly
and
easily
forward
time
sensitive
announcements
out
to
people
within
the
multicast
group.
Call
Park
You
can
use
call
park
feature
to
place
a
call
on
hold,
and
then
retrieve
the
call