I've installed the new version, it takes care of the problem.
Thanks !!!

Thanks a lot, I'll look forward to testing that new release.

I think you're right, and adding an evDeliverSmComplete could be the right solution.
For the time being I am just storing the messages in a database as they arrive, a counter in the evDeliverSm method gets incremented.
With a timer I check if the counter>0, which means the DB has stored incomming ...

Thanks for your reply.

Here's a description of what am trying to do. I have an app that receives SMS and sends back an SMS reply after querying a database.
I plan to put the reply logic within the client_eveDeliverSm method, so that whenever a message comes in, I process it and reply to it right ...

Hi !
I found your app while googleing online, great Job ! I keep getting an SMPPCLIENT_RCVTIMEOUT error everytime a message is being sent to the SMSC, and then it sends the message like 3 times. What causes the SMPPCLIENT_RCVTIMEOUT error ?
Thanks.