It's tricky because it doesn't happen synchronously.

"Object reference not set to an instance of an object."

Stack Trace: " at ALT.SMS.SmppClient.Disconnect()\r\n at ALT.SMS.SmppClient.nmEcN8j6R(IAsyncResult )\r\n at System.Net.LazyAsyncResult.Complete(IntPtr userToken)\r\n at System.Net ...

Hi there,

It looks like there may be a bug in the 2.5.8.0 dll. A Null Reference Exception is thrown.

EventType clr20r3, P1 myapp.exe, P2 1.0.0.0, P3 49749486, P4 alt.sms.smppclient, P5 2.5.8.0, P6 4944c955, P7 10e, P8 3b, P9 system.nullreferenceexception , P10 NIL.

I think it might be the ...

Hi,

Firstly, thanks for the reply.

I have just tried that but cannot add a reference to the latest download with VB.net 2003, so I can't use the latest download.

Is there a work around?

Regards,
Ollie

Hi very useful component!

Maybe I could get your thoughts on this...

The SMSC sends me an error when I unbind " message length is invalid ". Apparently, the unbind PDU contains 17 Bytes, with an extra Byte with HEX value 34 at end of the unbind PDU.

I contacted the SMSC I was trying it with, and ...

Great tool, works well with VB.net as well as C#!

Was wondering how to tell it to send a binary message such as a WAP push bookmark instead of readable text.

Im using the SubmitSm method and a custom function to convert Hex pairs to a Byte array.

Something like...?

Dim data As New ALT.SMS ...