Synway Information Engineering Co., Ltd
SMG Series Analog Gateway User Manual (Version 1.5.3)
Page 34
3.5.2 FXO
Figure 3-30 FXO Configuration Interface
The table below explains the particular configuration items for FXO.
Item
Description
Voice Gain Output
from FXO
Adjusts the gain of the voice output from the FXO port. Range of value: -24~24,
calculated by dB, with the default value of 0.
Calling Party
Detection Time
The maximum waiting time for the detection of the calling party number from FXO
port. Range of value: 1~20, calculated by s, with the default value of 10.
Silence Detection
Used to detect whether the line is silent or not according to the energy threshold
and time threshold of silence. FXO will hang up the call automatically if these
conditions are satisfied. The default setting is being disabled.
Energy Threshold of
Silence
The energy threshold to judge whether the line is silent or not. Range of value:
-86~5, calculated by s, with the default value of -45.
Note:
This item will be valid only when Silence Detection is enabled.
Time Threshold of
Silence
The time threshold to judge whether the line is silent or not, calculated by s, with the
default value of 60.
Note:
This item will be valid only when Silence Detection is enabled.
FSK Standard
Standard for sending FSK formatted CallerID, which varies in different countries and
districts. The optional values are:
ETSI (Europe), GR-30 (North America, China)
and
NIT (Japan)
, with the default value of
GR-30
.
Reception Interval of
DTMF CallerID
The time interval between digits of the DTMF CallerID from FXO port, calculated by
ms, with the default value of 200.
DTMF Energy
Energy of the DTMF signal sent by the gateway. Range of value: -35~15, calculated
by dB, with the default value of -11.
