FXSO H.323 Gateway User Manual
Document Ver.: 105
Release Dec, 2004
90
Parameters Usage:
print current voice information and configurations .
-send
define packet size for each codec. 20/40/60ms means to
send a voice packet per 20/40/60 milliseconds. The smaller
the packet size, the shorter the delay time. If network is in
good condition, smaller sending packet size is recommended.
In this parameter, 20/40/60ms is applicable to G.711u/a law,
and G.729/G.729A/G.729B/G.729AB codec, while 30/60ms is
applicable to G.723.1 codec.
-priority
codec priority while negotiating with other h323 device. This
parameter determines the listed sequence in h.245 TCS
message. The codec listed in left side has the highest priority
when both parties determining final codec. User can also
select the particular codec without others.
usr/config$ voice – priority g723 (only select this codec)
usr/config$ voice – priority g723 g729 g711u g711a (select four codecs,
and g723 is the first choice)usr/config$ line –config 1 hotline 1001
-volume
There are three adjustable value.
voice volume
stands for
volume, which can be heard from Gateway side;
input gain
stands for volume, which the opposite party hears;
dtmf
volume stands for DTMF volume/level, which sends to its own
Line.
Note, level of volume is too high or too low may be result in bad performance while
connecting to each other.
-nscng
silence suppression and comfort noise generation setting (1 =
ON; 0 = OFF). It is applicable to G.723 codec only. An
example is demonstrated below:
usr/config$ voice -nscng g723 1
-echo
activate each canceler (1 = ON; 0 = OFF).
-mindelay the minimum jitter buffer size. (Default value= 90 ms)
