Welltech FXSO Gateway In SIP V.1.2 - Manual (Page 83)

FXSO SIP Gateway User Manual Document Ver.: 102
Released Dec., 2004
81
-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)
Note:
(1) For 2S2O there are 2 versions of Application rom, please check
out the version of Application rom (rom – print). If the version is
2sipfxso729.102, 2S2O doesn’t have the codec G.723.1. If the
version is 2sipfxso723.102, 2S2O doesn’t have the codec G.729
series.
(2) For 1S1O, the Application rom has the only one version which is
named sipfxso.102 provide all codec.
-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)