MicroNet Technology SP5001A/S - Manual (Page 79)

-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. For example :
usr/config$ voice -priority g729 g723 g711u g711a
(Selected four Codecs, G.729 is the first choice)
-volume
To adjust the voice, input and dtmf levels
voice
which can be heard from Gateway side(range 0~63, default: 25).
input
which the opposite party hears (range 0~38, default: 25).
dtmf
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.
-echo
Enable or Disable the echo cancellation
-mindelay
The minimum jitter buffer size (Default value= 90 ms).
-maxdelay
The minimum jitter buffer size (Default value= 150 ms).
Note:
Be sure to know well the application before you change voice parameters because this
might cause incompatibility.
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