3G UMTS User Manual
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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.
Get USSD
Enter a specific USSD number (For example,*142# to check your SIM card's
balance. This USSD number is might be different from different carriers) to
get the USSD information.
The gateway will try to get by AT commands.