Hmm i dont know what your are useing. Normaly that should do it?
I got a privat-Hive server, on that i can disable battle EYE:
/ INGAME SETTINGS
disableVoN = 0; // If set to 1, Voice over Net will not be available
vonCodecQuality = 10; // Quality from 1 to 30
persistent = 1; // If 1, missions still run on even after the last player disconnected.
timeStampFormat = "short"; // Set the timestamp format used on each report line in server-side RPT file. Possible values are "none" (default),"short","full".
BattlEye = 0; // Server to use BattlEye system
**
Maybe your Provitior Have disable BattlEye= 0; ?