How to send back deliver_sm_resp without submit sm?

Hi,

i need send deliversmresp back to my ussd gateway.

According to my vendor, i should
" sending the deliver_sm_resp and should be no submit_sm packet send back to USSD Gateway, since the user has been triggered the exit. "

please help.

Hi ,

i am trying to do a network initiate USSD push.

SubmitSm sm = new SubmitSm();
sm.ServiceType = "USSD";
sm.UserDataPdu.ShortMessage = _client.GetMessageBytes("Hellow Testing", DataCodings.Default);
sm.SourceAddr = "1234";
sm.SourceAddrTon = 0;
sm.SourceAddrNpi = 1;
sm.DestAddr ...