Security
Answering Machine Remote Accessibility
Many consumer answering machines have weak security implementations to protect the remote administration of messages they store. Often times, supervisory access can be obtained with a simple selection of keystrokes. [ continue ]
Red Box Detection
The Red Box is a toll fraud device commonly used to trick payphones into thinking coins have been deposited. This paper describes a circuit created to detect Red Box tones (1700Hz and 2200Hz). The detection flag, a 5V logic level signal, can be used to control external circuitry. [ continue ]
Jolly Box
The Jolly Box was originally designed by Jolly Roger and Zaphod Beeblebrox in the early 1990s as the ultimate phone phreaking tool. The portable, battery-powered device was a multi-function, multi-frequency (MF) tone generator specifically used for seizing control of and traversing telephone networks. [ continue ]
POCSAG Pager Decoder
The POCSAG Decoder allows off-the-air decoding of pager and Mobitex data traffic when used in conjunction with the proper software. Both numeric and alphanumeric messages will be decoded, as well as an optional hex dump of raw POCSAG codewords. [ continue ]