Chapter 1, Problem 4E

Explanation of Solution

Phreaker’s Manual:

• This phenomenon first came into focus in late 1950s where the phreaks could easily switch the calls from phone handset; this allows making free calls around the world.
• In initial days, this term was used to refer the group of people who had reversed engineered the system of tones that are used to route long-distance calls.
• By 1980s, this method was stated as similar to that of computer hacking. Thus was sometimes referred as H/P culture (H stands for hacking and P stands for phreaking).
• Phone phreaking is also defined as a mischievous act that includes many illegal methods in order to avoid paying for a telecommunication invoice, order, transfer, or any other service...