smpp simulator

hi,

i want to build simulator that send ussd message to a gateway,
the problem is, i dont know how to start or what to do,
please help.
thanks

hi,

you can use SMPPSIM simulator is open source and SMPPAPI jar for developed your client SMPP.

Please , you can tel me when i you can find a simple code of client SMPP witch used to send and receiver SMS

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