Some SMSC allows only one session with systemid. In case when you have bad connection with SMSC, client can disconnect, but server will think that systemid still connected. I suggest you to find out with SMSC side if you have one session limit, try to find the reason why client disconnects. And what...

1. In order to request delivery receipt from SMSC you need to set only sm.RegisteredDelivery = 1; in your log for SubmitSm packet i found RegisterDelivery=0x11; Please also make sure that you bind to SMSC in Transceiver mode. 2. It looks like SMSC that you connect to doesn't support QuerySm command.

Please post here packet bytes from event evReceiveData.

You should have received a message from shareit.com with subject
"Download Link for ALT.SMS.SmppClient C#/VB.NET Source Code"

Nevertheless I sent you email message with source code in attached file.

PrepareSubmit only split long text to concatenated messages when it is needed. It doesn't send messages.

List<SubmitSm> req = client.PrepareSubmit( mode, byte.Parse(tbSrcAdrTON.Text), byte.Parse(tbSrcAdrNPI.Text), tbSrcAdr.Text, byte.Parse(tbDestAdrTON.Text), byte.Parse(tbDestAdrNPI.Text), tbDestAdr.Text, coding, tbSend.Text); client.SubmitAsync(req);

library source code

No, Sorry
I don't provide support by phone

Features: - Concatenated messages - Allow to send thousends of messages with asynchronous methods - Supports TLVs options - WAP Push and Flash SMS messages - Delivery Receipt - SSL connection Support is provided by email and in this forum. Yes, you can use library in commercial product. Here you can...

SubmitMulti is the same as SubmitSm but here you send same message to several destinations up to 255. List<DestinationAddress> msisdnList = new List<DestinationAddress>(dt.Rows.Count); foreach (System.Data.DataRow dRow in dt.Rows) { DestinationAddress da = new DestinationAddress(); da.Address = dRow...

Hello,

What details are you interesting?

1. Did you post all log? It looks like SMPP server didn't send deliver_sm receipt. 2. try to send submit_sm without code sm.MessageType = MessageTypes.SMSCDeliveryReceipt; sm.Notification = IntermediateNotification.Requested; sm.SMSCReceipt = SMSCDeliveryReceipt.SuccessFailure; only sm.RegisteredDel...

Hello,

Could you show what you have after QuerySmResp in the log,
I'm interesting in Received Data and Sending Data.
also please attach to the event evDeliverSm.

Alexey

Hi Bhutan,

When you open project in VS 2008 it should be converted without problems.

What problem you faced?

Alexey

Try to change encoding mapping
SmppClient.MapEncoding(DataCodings.UCS2, System.Text.UTF8);