Tagged: Phreaking

Review: Exploding The Phone

Cover of Exploding The Phone
Cover of Exploding the Phone by Phil Lapsley

This almost feels like a companion volume to The Idea Factory — the other side of the phone company.  Phil Lapsley’s book, Exploding the Phone, is an absolutely fascinating book on the history of phone phreaking, or exploring the phone network (and hacking it). The phone system, back in the days of analog, was made up of switches thrown by tones and was considered the world’s largest machine.  The phone phreaks figured out how this machine worked and started figuring out the tones necessary to do different things.  It wasn’t all about getting free calls, but about exploration.  (Though, the free calls were their own siren song that couldn’t be ignored either.) Continue reading