FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -phreaking, also known as phone phreaking, fraudulent manipulation of telephone signaling in order to make free phone calls. Phreaking involved reverse engineering the specific tones used by phone companies to route long distance calls. By emulating those tones, “phreaks” could make free calls around the world.

Detailed explanation-2: -Phreakers originally referred to groups who reverse-engineered the system of tones used to route long-distance calls. Phreakers re-created these tones, enabling them to switch calls from their phone handset and make free calls to anywhere in the world.

Detailed explanation-3: -A phreaking attack is a type of fraud where hackers break into your VoIP system in order to make long-distance calls, change calling plans, add more account credits, and make any additional phone calls they want-all on your dime.

Detailed explanation-4: -Yes, with Android on LTE. In the 1960s and 70s, technically savvy enthusiasts sought to game telecommunications systems to make free calls, keeping telecom engineers on their toes.