You can manage and send your ussd code with ussdpad .its simple and easy to use gui program written by use python and qt4 - Shashika Layan
* Install Method (ArchLinux)
It's Available on Arch User Repository (AUR) so you can install it use yaourt
$ yaourt -S ussdpad
DTMF detector library and/or application that reads in the specified audio file and returns/outputs whether DTMF detected and/or list of detected digits. May have GUI and command line interfaces.
This is a very nice and simple client with GUI to connect to Net4India Broadband Server. This works on Linux/Windows. It also minimizes to notification area. Hover mouse over status icon in notification area and you will get session information.
GSM Phone manager with a friendly graphical user interface. It uses QT for GUI, Bluetooth technology for connection and the GSM extended set of AT commands for the dialog with the device.
Gui for playing, recording, editing, renaming etc. voice and fax messages.
Includes scripts for popping up sticky-notes or dialogs with
caller id info. Renames voice/fax messages to date+callerid. Uses
python and pyGTK. Kaptain version also avail.