Beeps in the loudspeaker when a mail arrives for the calls that are setup in the \FBB\SYSBEEP.CFG. Put call on "first" line, and wich nr of sound (1-5) on the "second" line. Up to 5 (five) "sysop's can be declared in the file. You can ofcourse have anything you like as a "callsign", AMSAT, 7PSERV etc