A device used in phreaking to divert an incoming call to a second telephone line.

plural of infinity box

plural of brown box

plural of olive box

plural of purple box

A supposed device used in phreaking, capable of causing seizures or physical injury to the person at the other end of the telephone line; actually a hoax.

A device used in phreaking to add an external ringer to a telephone line.

plural of pink box

(telephony) A device used in phreaking that allows the creation of a party line from two telephone lines.

A supposed device used in phreaking, said to be able to tap telephone lines at a distance by generating a magnetic field; actually a hoax.