OpenVox SWG-2008, User Manual

Page: 29 / 102

SWG-2008 User Manual
25
Figure 3-4-1 DTMF Detection Settings
Notice: You don’t have to modify these settings if you don’t have special need. You
can just choose “Default”.
Table 3-4-1 Definition of DTMF Detection Settings
Options Definition
DTMF Normal Twist and
Reverse Twist
It is the power difference between the row and the
column energies . Normal Twist is where the Column
energy is greater than the Row energy. Reverse Twist
is where the Row energy is greater.
DTMF Relative Peak
Row
The smaller the value, the easier the detection. If you
lost some numbers, you can try to put the value
down. The adjustment range is 0.02 at a time.
DTMF Relative Peak Col
The smaller the value, the easier the detection. If you
lost some numbers, you can try to put the value
down. The adjustment range is 0.1 at a time.
DTMF Hits Begin Simple match value, choose 2 or 3.
DTMF Misses
End
The time interval between the two numbers you
entered. Adjust the speed of input. The smaller value
represents the shorter intervals.