SWG
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20XX
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4S Wireless Gateways User Manual
31
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.
