Hi ! Starting this morning I start seeing this in my /var/log/asterisk/messages : Apr 26 08:52:13 WARNING[18321] file.c: Unexpected control subclass '17' Apr 26 08:52:57 WARNING[18321] file.c: Unexpected control subclass '17' Apr 26 11:21:17 WARNING[20842] file.c: Unexpected control subclass '17' Apr 26 11:21:37 WARNING[20842] file.c: Unexpected control subclass '17' Apr 26 11:22:14 WARNING[20842] file.c: Unexpected control subclass '17' What does it mean ? Should I do something about it ? TIA Peter De Schrijver