Advanced:

download (right click and choose Save) and add this small file, called "beep" to /etc

download (right click and choose Save) and add this script file called "alert" to /etc/init.d

chmod 755 /etc/init.d

lrcfg

choose backup and then backup etc.lrp

Below is the content of "alert", for your information

#!/bin/sh
RCDLINKS="2,S99 6,K99"
cat /etc/beep
sleep 1
cat /etc/beep
sleep 1
cat /etc/beep
exit 0


"beep" is just a small file with a single byte of 0x07 (the BELL Character)