The parameter window-size defines how many messages you can send before you have to wait for an ACK. The ACKs are assigned to the message with the sequence number. But kannel handles this for you (same with dlr recognition from your last question). If you want to develop your own SMPP client you might take a look at the smpp spec first.
2008/10/29 teoh <[EMAIL PROTECTED]> > when sending in async, do we need to wait for submit_smresp to get the msg > id or should we just send without having to wait for submit_smresp? from > what i know, there is a must to wait for submit_smresp, because the id is > used by deliver_sm to find out whether msg is deliver.. pls correct me . > >
