KTI Networks KVB-311 User Manual page 88

voice -echo 1 1 1 1
usr/config$
Parameter Usages:
-print: Print current voice information and configurations.
-send: To define packet size for each codec. 20/40/60/80 ms mean to send a
voice packet per 20/40/60/80 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,
20/40/60/80 ms is applicable to G.729 codec, while 30/60ms is applicable to
G.723.1 codec.
-priority: Codec priority while negotiating with other SIP device. The codec listed in
left side has the highest priority when both parties determining final codec.
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(range 0~63, default: 28).
--input gain stands for volume, which the opposite party hears (range 0~38,
default: 28).
--dtmf volume stands for DTMF volume/level, which sends to its own Line
(range 0~31, default: 23).
-nscng: Silence suppression and comfort noise generation setting (1 = ON; 0 =
OFF). It is applicable to G.723 codec only.
usr/config$ voice -nscng g723 1
-echo: On or Off the activate each canceler.
-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
Note:
Be sure to know well the application before you change voice parameters because
this might cause incompatibility.
For example:
usr/config$ voice -print
KVB-311 Broadband VoIP Router User Manual
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