Welltech FXSO Gateway In SIP V.1.2 Manual do Utilizador descarregar pdf (Página 83)

FXSO SIP Gateway User Manual Document Ver.: 102

Released Dec., 2004

-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)

1 2 ... 78 79 80 81 82 83 84 85 86 87 88 ... 99 100

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Welltech FXSO Gateway In SIP V.1.2 Manual do Utilizador Página 83