User`s manual

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input gain (0~63, default: 32),
dtmf volume (0~31, default: 27),
-nscng No sound compression and CNG. (G.723.1 only, On=1, Off=0).
-echo Setting of echo canceller. (On=1, Off=0, per port basis).
-mindelay Setting of jitter buffer min delay. (0~150, default: 100).
-maxdelay Setting of jitter buffer max delay. (0~150, default: 150).
Example:
voice -send g723 60 g711a 60 g711u 60 g729a 60 g729 60
voice -volume voice 20 input 32 dtmf 27
voice -echo 1 1 1 1 1 1
usr/config$
Parameters Usage:
-print print current voice information and configurations.
-send to 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 is, the shorter the delay time is. 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.729a codec, while
30/60/90ms 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.
-volume there are three adjustable value. voice volume stands
for volume, which can be heard from Micronet FXO
Gateway side; input gain stands for volume, which the
opposite party hears. dtmf volume stands for DTMF
volume/level, which sends to its own Line1 or Line2.
-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