Solution : https://service.sap.com/sap/support/notes/928550 (SAP Service marketplace login required)
Key words : 
+10f45f   acute accent x'b6' ->, +10f465   section sign x'a8' ->, +10f464   degree sign x'b1' ->, +10f466   pilcrow sign x'd7' ->, +10f462   multiplication sign x'f7' ->, round-trip enabled code pages, -minus sign x'b4' ->, +10f460   diaeresis x'b0' ->, provied full-width varaints, unicode round-trip enabled
Related Notes : 
       
| 938738 | Syslog CP6: still using ambiguous blended code page | 
| 938737 | Syslog CP6: still using blended code page | 
| 647495 | RFC for Unicode ./. non-Unicode Connections |