You can reproduce it this way (at least it work for me):
1. start server (and click Start Server)
2. start client and connect with default values (both from demo package - latest was v.1.1.21.5)
3. Client: on twe form switch DataCoding field to UCS2
4. insert insert this to Text field: фывфывфывфы ...

#2 was easy solved by adding .coding(DataCoding.UCS2)
so this is not more an issue

thanks for reply!

i tried it with fresh trial and it really works like this but there appeared some problems, please advice if you can:

1. quite often
it happens both on your precompiled Bin in zip package and on my version compiled from scratch in Visual Studio
some screens are attached. I tried ...

Hello!

Please advice is that will be possible with Inetlab.SMPP library:

1. create SMPP server, get async(!) parts of several concatenated messages, and send further full message(s) without splitting to parts

As I saw on forum and in examples - this is close to solution http://wiki.inetlab.com ...