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
USERTEST("PLEASE CALL YOUR MOBILE AND CHECK IF ALERTING IS IN NORMAL MODE")
AT+CALM=1
WAIT FOR OK
USERTEST("PLEASE CALL YOUR MOBILE AGAIN AND CHECK IF ALERTING IS IN SILENT MODE (NO SOUNDS)")
AT+CALM=17
WAIT FOR ERROR
AT+CALM=0
WAIT FOR OK
AT+CALM?
WAITFOR 0
