VS-GW2120 Series User Manual
OpenVox Communication Co.Ltd
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DTMF Relative Peak Row: The value is the smaller and the detection is easier. 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 value is smaller and the detection is easier. 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: Sampling matching value. You can choose 2 or 3.
DTMF Misses End: The time interval between the two digits you input. Adjust the speed of
input. The smaller value represents the shorter intervals.
Toolkit
You can get USSD information, send AT command and check number with this module. When you
have a debug of the GSM module, AT command is useful.
Figure 3-4-1 Function Options
Table 3-4-1 Definition of Functions
Options
Definition
Check Number
Enter a known number (like your mobile phone) to check what number it is
of the SIM card. Click "Execute", then the gateway will dial to the number
you already input. It only rings for one time and hangs up at once. Not
generating telephone charge during this procedure.