RED BOX FREQS:

1700 HZ AND 2200 HZ MIXED TOGETHER.

A NICKEL IS 66 MS ON (1 BEEP).
A DIME IS 66MS ON, 66MS OFF, 66MS ON (2 BEEPS).
A QUARTER IS 33MS ON, 33MS OFF REPEATED 5 TIMES.
(MS = MILLISECOND)

FOR THOSE OF YOU WHO DONT KNOW, A RED BOX SIMULATES MONEY BEING PUT INTO
A PAY PHONE.  YOU MUST PUT IN SOME MONEY FIRST THOUGH (THE OPERATOR CAN TELL
IF MONEY WAS PUT IN BUT AS TO HOW MUCH, SHE LETS THE COMPUTER ANSWER THAT.
(YEAH FOR THE COMPUTER)).