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I am using this device.

Bus 002 Device 005: ID 12d1:1506 Huawei Technologies Co., Ltd. E398 LTE/UMTS/GSM Modem/Networkcard

But , i am unable to send and receive messages. And how do i use USSD Code? Modem works fine on 3g networks.

Only i am not able to check my usage via USSD Codes.

I have treid using Gammu But it is not recognizing my modem.

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1 Answer

GSM-USSD is an utility that enable you to send USSD codes via modem.

You need to configure it correctly. Here is thread that gives idea about configuration.

Read post #13 also

You can try with sudo gsm-ussd *123# or

According to the post A execution command would be

sudo gsm-ussd *123# -m /dev/`dmesg | grep "usb 1-3" | tail -n 1 -c 8`

Where *123# is your ussd command.

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But it doesn't even detect my modem. How will it work then? –  BigSack Aug 9 '12 at 12:05
    
you said your modem is working fine!! modem will be represented under /dev/ttyUSB0 - /dev/ttyUSB3 you need to issue command as in post 13 –  Web-E Aug 9 '12 at 12:07
    
It will be better if you pull it off and reconnect. Sometime the utility fails after you connect to internet. :( –  Web-E Aug 9 '12 at 12:08
    
How do i find the port , for issuing command? –  BigSack Aug 9 '12 at 14:14
    
post 13 command will do that for you. See a sample command. I have updated the post –  Web-E Aug 9 '12 at 14:20
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