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The definitive guide to Phreak Boxes
by Elf Qrin
The comprehensive list of all the over 100 known phreaking boxes, with a brief description, and classified for similar boxes and aliases.
Spring 2002 issue
2600 - The Hacker's Quarterly
and linked from
The Jargon File
The list of tones generated by the phone keypad (including special keys) and by the phone company.
Cellphones ESN Converter
Online tool to convert ESN (Electronic Serial Number). The ESN is a serial number assigned to any cellular phone number to make it virtually impossible to clone.
Ring Tones for Nokia
Collection of ring tones for Nokia cellular phones.
Ring Tones for Ericsson
Collection of ring tones for Ericsson cellular phones.
Ring Tones for Siemens
Collection of ring tones for Siemens cellular phones.