Dynamix DW-2/4 FXO SIP Gateway User Manual
-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.
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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)
-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:
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usr/config$ voice -nscng g723 1
-echo activate each canceler (1 = ON; 0 = OFF).
-mindelay the minimum jitter buffer size. (Default value= 90 ms)
-maxdelay the minimum jitter buffer size. (Default value= 150 ms)
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usr/config$ voice –mindelay 90 –maxdelay 150
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