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UK guide to phone phreaking


NOTICE: TO ALL CONCERNED Certain text files and messages contained on this site deal with activities and devices which would be in violation of various Federal, State, and local laws if actually carried out or constructed. The webmasters of this site do not advocate the breaking of any law. Our text files and message bases are for informational purposes only. We recommend that you contact your local law enforcement officials before undertaking any project based upon any information obtained from this or any other web site. We do not guarantee that any of the information contained on this system is correct, workable, or factual. We are not responsible for, nor do we assume any liability for, damages resulting from the use of any information on this site.
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GUIDE TO PHONE-PHREAKING - FROM +44 0943 817010
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Many of todays new generation of phreaks are not familiar with the technique
of blue boxing or AC9ing, despite being the oldest form of phreaking known to
man! It is fast on the decline these days due to it's difficulty of usage and
new digital exchanges being introduced. This need not discourage the
dedicated phreak as it is probably the most exciting and rewarding method
once mastered.

The Gear -

The two items of equipment essential to blue boxing are a telephone and a
blue box! It's a good idea to use a call box as you are less likely to get
caught but many people do not have hand held boxes, preferring to use a
computer to generate the tones and so have to use their own line (or an
unwitting friend...tehehehe).

The Box -

A blue box essentially performs two functions. It emits a 2280 Hz tone to
clear a line back to the trunk and also emits pulses similar to those used by
old rotary phones. The most sophisticated boxes will have an internal speaker
and a keypad to compose numbers on, less professional models will merely have
a pulse button analogous to a phone rest to tap numbers out on. More and more
people are now going over to using micros in place of boxes as a micro can
just as easily be a blue box, a DTMF dialer or whatever you want for no
extra hardware cost.

Getting Started -

The first thing to do is to find a trunk (0+++) number that is unobtainable.
One that gives a quiet, distant sounding tone will be a likely candidate.

Clearing Down -

Now the first (an easiest!) part of the operation comes in. You send the 2280
Hz tone down the line at the unobtainable tone for about 1 second. If you
have been successful the line will usually click while the tone is sounding
and then go dead when it is finished. If it doesn't work try another number.
If it does work then you are down to trunk level and ready to move around the
BT phone network!

AC9ing -

This is when the second function of the box comes into play. Once down at
the trunk you can dial numbers by use of the AC9 dialer on the box. Often
boxes will have (or should have) a number 11 on them. This can be very
useful.

Routing -

When at the trunk, do as the trunks do! And unfortunately it isn't as easy as
tapping out STD codes. The trunk uses what are called 'trunk routing codes'.
These are similar to STD numbers except they are different on all exchanges.
They are often only 2 digits for places fairly close to the exchange
(Eg.31,25,66). However, the only way to discover them is by trial and error.
Try a route code with a subscriber number tacked on and see if you get an
answer! Remember to always be polite and NEVER hang up on people. Ask them
where they are (to establish your route) and (if possible) what their number
is, then explain you have a wrong number. This will allow you to determine
which bit of the number you AC9ed was the route and which bit was the phone
number. If your number completely fails have only to clear down again and
you're back where you started. Being at trunk level, you will often get
operators and test engineers. Again, be polite and tell them you were just
testing the line and mis-routed (or some equally dodgy tale!). Operators can
often be engaged in conversation which is a useful source of data.
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For Other Related Articles Ring +44 0943-817010 (UK)
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