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Hackers Underworld 2: Forbidden Knowledge
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1994-07-17
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******BIOC Agent 003's course in*******
* *
* ========================== *
* =BASIC TELECOMMUNCIATIONS= *
* ========================== *
* PART IV *
***************************************
Revised: 15-JUN-84
PREFACE:
--------
Part IV will deal with the various
types of operators, office hierarchy,
& switching equipment.
OPERATORS:
----------
There are many types of operators in
The Network and the more common ones
will be discussed.
TSPS Operator:
The TSPS [(Traffic Service Position
System) as opposed to This Shitty Phone
Service] Operator is probably the bitch
(or bastard for the phemale liberation-
ists) that most of us are use to having
to deal with.
Here are her responsibilities:
1) Obtaining billing information for
Calling Card or 3rd number calls.
2) Identifying called customer on
person-to-person calls.
3) Obtaining acceptance of charges on
collect calls.
4) Identifying calling numbers. This
only happens when the calling # is not
automatically recorded by CAMA
(Centralized Automatic Message
Accounting) & forwarded from the local
office. This could be caused by
equipment failures (ANIF - Automatic
Number Identification Failure) or if
the office is not equipped for CAMA
(ONI - Operator Number Identification).
<I once had an equipment failure
happen to me & the TSPS operator came
on and said, "What # are you calling
FROM?" Out of curiosity, I gave her
the # to my CO, she thanked me & then
I was connected to a conversion that
appeared to be between a frameman & his
wife. Then it started ringing the
party I originally wanted to call &
everyone phreaked out (excuse the pun).
I immediately dropped this dual line
conference!>
You shouldn't mess with the TSPS
operator since she KNOWS where you are
calling from. Your number will show up
on a 10-digit LED read-out (ANI board)
She also knows whether or not you are
at a fortress fone & she can trace
calls quite readily. Out of all the
operators, she is one of the MOST
DANGEROUS.
INWARD Operator:
This operator assists your local TSPS
("O") operator in connecting calls.
She will never question a call as long
as the call is within HER SERVICE AREA.
She can only be reached via other
operators or by a Blue Box. From a BB,
you would dial KP+NPA+121+ST for the
INWARD operator that will help you
connect any calls within that NPA only.
(Blue Boxing will be discussed in a
future part of BASIC TELCOM)
DIRECTORY ASSISTANCE Operator:
This is the operator that you are
connected to when you dial: 411 or
NPA-555-1212. She does not readily
know where you are calling from. She
does not have access to unlisted #'s,
but she does know if an unlisted #
exists for a certain listing.
There is also a directory assistance
for deaf people who use Teletypewriters
If your modem can transfer BAUDOT
[(45.5 baud)/ (the Apple Cat can)],
then you can call him/her up and have
an interesting conversation. The # is:
800-855-1155. They uses the standard
Telex abbreviations such as GA for Go
Ahead. They tend to be nicer & will
talk longer than your regular
operators. Also, they are more
vulnerable into being talked out of
information through the process of
"social engineering" as Cheshire
Catalyst would put it.
<Unfortunately, they do not have access
to much. I once bullshitted with one
of these operators and I found out that
there are 2 such DA offices that handle
TTY. One is in Philadelphia and the
other is in California. They have
approximately 7 operators each. Most
of the TTY operators think there job is
boring (based on an official "BIOC
poll"). They also feel they are
under-paid. They actually call up a
regular DA # to process your request
(Sorry, no fancy computers!).>
Other operators have access to their
own DA by dialing KP+NPA+131+ST (MF).
In the confusion due to the aftermath
of the Bull System break-up, it seems
that it will now cost 50 cents per DA
call! Exceptions seem to be Canadian
DA & the TTY DA (for the time being).
Thus you might be able to avoid being
charged for DA calls by using your
computer [running at 45.5 baud!] and
their 800 TOLL-FREE #! If they decide
to charge from fortresses also, the
method of making DA calls from the
fortress and purposely asking for an
unlisted # so you can have the operator
credit you home # will no longer work!
CN/A Operators:
CN/A operators are operators that do
exactly the opposite of what directory
assistance operators are for. See part
II, for more info on CN/A & #'s. In my
experiences, these operators know more
than the DA op's do & they are more
susceptible to "social engineering." It
is possible to bullshit a CN/A operator
for the NON-PUB DA # (ie, you give them
the name & they give you the unlisted
#). This is due to the fact that they
assume your are a phellow company
employee. Unfortunately, the break-up
has resulted in the break-up of a few
NON-PUB #'s and policy changes in CN/A.
INTERCEPT Operator:
The intercept operator is the one that
you are connected to when there are not
enough recordings available to tell you
that the # has been disconnected or
changed. She usually says, "What # you
callin'?" with a foreign accent. This
is the lowest operator lifeform. Even
though they don't know where you are
calling from, it is a waste of your
time to try to verbally abuse them
since they usually understand very
little English.
Incidentally, a few areas do have
intelligent intercept operators.
OTHER Operators:
And then there are the: Mobile,
Ship-to-Shore, Conference, Marine
Verify, "Leave Word & Call Back," Rout
& Rate (KP+800+141+1212+ST - new # as
result of Bell breakup), & other
special operators who have one purpose
or another in the Network.
Problems with an Operator? Ask to
speak to their supervisor...or better
yet, the Group Chief (who is the
highest ranking official in any office)
who is the equivalent of the Madame
in a whorehouse (if you will excuse the
analogy).
By the way, some CO's that will allow
you to dial a 1 or 0 as the 4th digit,
will also allow you to call special
operators & other phun Telco #'s
without a blue box. This is very rare
though! For example, 212-121-1111
will get you a NY Inward Operator.
==================
=OFFICE HIERARCHY=
==================
Every switching office in North America
(the NPA system), is assigned an office
name & class. There are five classes
of offices numbered 1 through 5. Your
CO is most likely a class 5 or end
office. All Long-Distance (Toll) calls
are switched by a toll office which can
be a class 4, 3, 2, or 1 office. There
is also a 4X office called an
intermediate point. The 4X office is a
digital one that can have an unattended
exchange attached to it (known as a
Remote Switching Unit-RSU).
The following chart will list the
Office #, name, & how many of those
offices existed in North America in
1981.
Class Name Abb # Existing
----- ---------------- --- ------------
1 Regional Center RC 12
2 Sectional Center SC 67
3 Primary Center PC 230
4 Toll Center TC 1,300
4P Toll Point TP
4X Intermediate Pt IP
5 End Office EO 19,000
R RSU RSU
When connecting a call from one party
to another, the switching equipment
usually tries to find the shortest
route between the Class 5 end office of
the caller & the Class 5 end office of
the called party. If no inter-office
trunks exist between the 2 parties, it
will then move upto the next highest
office for servicing (Class 4). If the
Class 4 office cannot handle the call
by sending it to another Class 4 or 5
office, it will be sent to the next
office in the hierarchy (3). The
switching equipment first uses the
high-usage interoffice trunk groups, if
they are busy it then goes to the final
trunk groups on the next