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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 30/60ms is
applicable to G.723.1 codec.
-priority codec priority while negotiating with other sip device. This
parameter determines the listed sequence in TCS message.
The codec listed in left side has the highest priority when
both parties determining final codec.
-volume There are three adjustable value.
z voice volume stands for volume, which can be heard
from Micronet SP5052A/S / SP5054A/S Gateway
side;
z input gain stands for volume, which the opposite
party hears. The maximum number is 35. If the
number is over 35, the echo may be happened. Once
you increase input gain, the voice volume from PSTN
to IP side is increased too.
z 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
---------------------------------------------------------------
-mindelay the minimum jitter buffer size. (Default value= 90 ms)
-maxdelay the minimum jitter buffer size. (Default value= 150
ms)
---------------------------------------------------------------
usr/config$ voice -mindelay 90 -maxdelay 150 -optfacor 7
---------------------------------------------------------------
-echo activate each canceller (1 = ON; 0 = OFF).
Note: be sure to know well the application before you change
voice parameters because this might cause incompatibility.