Solution : https://service.sap.com/sap/support/notes/666574 (SAP Service marketplace login required)
Key words :
code page conversion reason, incorrect source code page, target code page, http plain adapter, plain http adapter, characters remain constant, program code, http server, terms utf-8, integration server
Related Notes :
| 679352 | XI2.0 Support Package 04 - List of most important changes |