general/phreaking
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Phreaking
Hacking of analog telephone network
2600 hertz
Audible telecommunication signal for control of telephone networks
Beige box (phreaking)
Device used to illegally connect to a phone line
Blue box
Device for hacking telephone networks
Phreaking box
Device used for unofficial access to telephone networks
Ringing (telephony)
Sound indicating an incoming call
Red box (phreaking)
Device used in phone phreaking
Black box (phreaking)
Electronic device to avoid phone charges
Clear box (phreaking)
Amplifier for using post-pay pay phones without paying