Phreakers are hackers who specialize in telephone fraud. What type of telephone fraud manipulates
the line voltage to receive a toll-free call?
A.
Red boxes
B.
Blue boxes
C.
White boxes
D.
Black boxes
What type of telephone fraud manipulates the line voltage to receive a toll-free call?
Phreakers are hackers who specialize in telephone fraud. What type of telephone fraud manipulates
the line voltage to receive a toll-free call?