COM -------Old script by Ralf Weiden -----
COM AT+CALM: alert sound mode
AT+CALM=?
WAIT FOR OK
COM SET MOBILE TO ALERT MODE 'NORMAL' 
AT+CALM=0
WAIT FOR OK
MESSAGE PLEASE CALL YOUR MOBILE AND CHECK IF ALERTING IS IN NORMAL MODE
AT+CALM=1
WAIT FOR OK
MESSAGE PLEASE CALL YOUR MOBILE AGAIN AND CHECK IF ALERTING IS IN SILENT MODE (NO SOUNDS)
AT+CALM=2
WAIT FOR OK
MESSAGE PLEASE CALL YOUR MOBILE AND CHECK IF ALERTING IS IN BEEP MODE NOW
AT+CALM=17
WAIT FOR ERROR
AT+CALM=0
WAIT FOR OK
AT+CALM?
WAITFOR 0
