Ok,

I found solution:

void server_evClientSubmitSm(object sender, SmppServerClient client, Inetlab.SMPP.PDU.SubmitSm data)
{
data.Response.MessageId = "1";
}

Is it OK?
But what is about Sequence. I do like in demo.
I set SubmitSm.Sequence=1 and on client_evSubmitComplete I received correct ...

Hello,

I'am trying to use SMPP Client and Server. When I post a message from Client I hadle receive (Server) with ClientSubmitSmEventHandler. But after then I need to set messageId and response to client. Where and how can I do it on Server?? Later I need post delivery report with this messageId ...