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 = "123456789"; sm....