VoIP
ATA
with
router
function
User
Manual
33
Advanced
Setup:
Jitter
Buffer
Control
In
IPG
‐
110/IPG
‐
200
VoIP
device,
The
jitter
buffer
control
is
a
shared
data
area
where
voice
packets
can
be
stored
,
collected
,
and
sent
to
the
voice
shared
Buffer
in
evenly
spaced
intervals.
modify
in
packets
arrival
time,
called
jitter,
can
occur
because
of
network
congestion,
timing
drift,
or
route
changes.
□
Min
delay
(ms):
Select
min
delay
buffer
time.(
40ms
–
100
ms)
□
Max
delay
(ms):
Select
Max
delay
Buffer
time.(
130ms
–
300ms)
□
Optimization
factor:
Controls
quickly
the
length
of
the
Jitter
Buffer
is
increased
when
Voice
RTP
on
the
network.
.Default
is
7
□
Voice
Active
Detector
‐
It
is
used
in
speech
encoding
software
to
determine
if
the
voice
being
encoded
is
human
speech
or
background
noise
Voice
Activity
Detection
If
this
function
is
enabled,
when
silence
is
occurred
for
a
period
of
time,
no
data
will
be
sent
across
the
network
during
this
period
in
order
to
save
bandwidth.
(If
you
use
Asterisk,
please
disable
Silence
Compression,
it
maybe
make
you
call
disconnect.)
G.168
Echo
cancelation
Select
the
tail
lengths
of
1ms,
2ms,
4ms,
8ms,
16ms,
32ms
Voice
Volume
control
□
(Phone
In)Speaker
Voice
Gain
(db)
‐
Sets
a
specific
sound
intensity
for
receiving
sound.
Select
a
level
from
‐
32
to
31,
□
(Phone
out)MIC
Voice
Gain
(db)
‐
Sets
a
specific
sound
intensity
for
transmitting
sound.
Select
a
level
