WG3100-Series GSM VoIP Gateway User Manual
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Techroutes Network Pvt. Ltd.
79
1) Check balance by USSD
Send USSD to carrier and get the response. For example, send *101#, get response: “Your balance is 73.40$”. So
configured the Keywords to “Your balance is”, the gateway will take the number 73.40.
For make sure the configuration work, we can use the Matching Test. Input the “Your balance is 73.40$” at Test SMS
Text, press the Test, you will get the match result.