OfficeServ 7100 Call Server Programming Guide
Samsung Business Communications 2-307
[835] MGI DSP OPTIONS
This MMC provides various MGI DSP options.
No Parameter Description Default
00 CODEC-FRAME Selects which audio CODEC compression will be used
and the transmission interval time of VoIP packets gen-
erated by the MGI card. MGI3 card supports
G.729A(8 K), G.729(8 K), G.711(64 K), and
G.723.1(5.3~6.4K).
G.729A –
20 Ms
01 ECHO CANCEL Enables or disables echo cancellation. This function
removes the echo that is generated by voice reflection
and packet delay.
ENABLE
02 SILENCE SUP This parameter determines whether silence suppression
is used. This prevents transmission during the silence
period of a call, and conserves bandwidth when en-
abled.
DISABLE
03 IN FILTER This option selects input filtering of the DSP. This should
always be set to ENABLE.
ENABLE
04 OUT FILTER This option selects output filtering of the DSP. This
should always be set to ENABLE.
ENABLE
05 INPUT GAIN PCM input gain value of DSP. The range is-
31 dB~32 dB(0~63).
This set the quality of PCM voice from the VoIP DSP to
the site. Default is 32(0 dB).
32
06 VOICE VOL This value selects the voice volume. The range is-
31 dB~31 dB(0~63).
32(0 dB).
08 JITTER OPT This is a scale value that introduces a intentional
buffer(delay) of the transmission of VoIP packets gener-
ated by the MGI card. This value determines whether
the focus is on packet loss or packet delay.
The range is 00~12.
4
09 MIN JITTER Decides the minimum time to consider delay for jitter
adjustment.
The range is 010~300 ms
30 ms
10 MAX JITTER Decides the maximum time to consider delay for jitter
adjustment.
The range is 010-300 ms.
150 ms
11 FAX ECM This option selects retry of Fax-over-IP if errors are de-
tected.
ENABLE
12 MAX FAX CNT This is the maximum number of channels that can be
simultaneously used for Fax-over-IP. The range is
00~16.
2