473 lines
20 KiB
Plaintext
473 lines
20 KiB
Plaintext
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******BIOC AGENT 003'S COURSE IN*******
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Reformated to 80 columns.
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* *
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* ========================== *
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* =BASIC TELECOMMUNICATIONS= *
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* ========================== *
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* PART VII *
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***************************************
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PREFACE:
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AFTER MOST NEOPHYTE PHREAKS OVERCOME THEIR FASCINATION WITH METRO CODES
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AND WATS EXTENDERS, THEY WILL USUALLY SEEK TO EXPLORE OTHER AVENUES IN THE
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VAST PHONE NETWORK. OFTEN THEY WILL COME ACROSS REFERENCES SUCH AS "SIMPLY
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DIAL KP + 2130801050 + ST FOR THE ALLIANCE TELECONFERENCING SYSTEM IN LA."
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NUMBERS SUCH AS THE ONE ABOVE WERE INTENDED TO BE USED WITH A BLUE BOX; THIS
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ARTICLE WILL EXPLAIN THE FUNDAMENTAL PRINCIPLES OF THE FINE ART
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OF BLUE BOXING.
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GENESIS:
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--------
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IN THE BEGINNING, ALL LONG DISTANCE CALLS WERE CONNECTED MANUALLY BY
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OPERATORS WHO PASSED ON THE CALLED NUMBER VERBALLY TO OTHER OPERATORS IN
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SERIES. THIS IS BECAUSE PULSE (AKA ROTARY) DIGITS ARE CREATED BY CAUSING
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BREAKS IN THE DC CURRENT (SEE BASIC TELCOM V). SINCE LONG DISTANCE CALLS
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REQUIRE ROUTING THROUGH VARIOUS SWITCHING EQUIPMENT AND AC VOICE AMPLIFIERS,
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PULSE DIALING CANNOT BE USED TO SEND THE DESTINATION NUMBER TO THE END LOCAL
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OFFICE (CO).
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EVENTUALLY, THE DEMAND FOR FASTER AND MORE EFFICIENT LONG DISTANCE (LD)
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SERVICE CAUSED BELL TO MAKE A MULTI-BILLION DOLLAR DECISION. THEY HAD TO
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CREATE A SIGNALING SYSTEM THAT COULD BE USED ON THE LD NETWORK. BASICALLY,
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THEY HAD TWO OPTIONS:
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[1] TO SEND ALL THE SIGNALING AND SUPERVISORY INFORMATION (IE, ON & OFF HOOK)
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OVER SEPARATE DATA LINKS. THIS TYPE OF SIGNALING IS REFERRED TO AS OUT-OF
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-BAND SIGNALING.
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-OR-
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[2] TO SEND ALL THE SIGNALING INFORMATION ALONG WITH THE CONVERSATION USING
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TONES TO REPRESENT DIGITS. THIS TYPE OF SIGNALING IS REFERRED TO AS IN-BAND
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SIGNALING.
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BEING THE CHEAP BASTARD THAT THEY NATURALLY ARE, BELL CHOSE THE LATTER
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(AND CHEAPER) METHOD -- IN-BAND SIGNALING. THEY EVENTUALLY REGRETTED THIS,
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THOUGH (HEH, HEH)...
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IN-BAND SIGNALING PRINCIPLES:
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-----------------------------
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WHEN A SUBSCRIBER DIALS A TELEPHONE NUMBER, WHETHER IN ROTARY OR TOUCH
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-TONE (AKA DTMF), THE EQUIPMENT IN THE CO INTERPRETS THE DIGITS AND LOOKS FOR
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A CONVENIENT TRUNK LINE TO SEND THE CALL ON ITS WAY. IN THE CASE OF A LOCAL
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CALL, IT WILL PROBABLY BE SENT VIA AN INTER-OFFICE TRUNK; OTHERWISE, IT WILL
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BE SENT TO A TOLL OFFICE (CLASS 4 OR HIGHER -- SEE TELCOM IV) TO BE PROCESSED.
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WHEN TRUNKS ARE NOT BEING USED THERE IS A 2600 HZ TONE ON THE LINE; THUS
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, TO FIND A FREE TRUNK, THE CO EQUIPMENT SIMPLY CHECKS FOR THE PRESENCE OF
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2600 HZ. IF IT DOESN'T FIND A FREE TRUNK THE CUSTOMER WILL RECEIVE A RE-ORDER
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SIGNAL (120 IPM BUSY SIGNAL) OR THE "ALL CIRCUITS ARE BUSY..." MESSAGE. IF
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IT DOES FIND A FREE TRUNK IT "SEIZES" IT -- REMOVING THE 2600 HZ. IT THEN
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SENDS THE CALLED NUMBER OR A SPECIAL ROUTING CODE TO THE OTHER END OR TOLL
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OFFICE.
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THE TONES IT USES TO SEND THIS INFORMATION ARE CALLED MULTI-FREQUENCY
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(MF) TONES. AN MF TONE CONSISTS OF TWO TONES FROM A SET OF SIX MASTER TONES
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WHICH ARE COMBINED TO PRODUCE 12 SEPARATE TONES. YOU CAN SOMETIMES HEAR
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THESE TONES IN THE BACKGROUND WHEN YOU MAKE A CALL BUT THEY ARE USUALLY
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FILTERED OUT SO YOUR DELICATE EARS CANNOT HEAR THEM. THESE ARE NOT THE SAME
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AS TOUCH-TONES.
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TO NOTIFY THE EQUIPMENT AT THE FAR END OF THE TRUNK THAT IT IS ABOUT TO
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RECEIVE ROUTING INFORMATION, THE ORIGINATING END FIRST SENDS A KEY PULSE (KP)
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TONE. AT THE END OF SENDING THE DIGITS, THE ORIGINATING END THEN SENDS A
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START (ST) TONE. THUS TO CALL 914-359-1517, THE EQUIPMENT WOULD SEND KP +
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9143591517 + ST IN MF TONES. WHEN THE CUSTOMER HANGS UP, 2600 HZ IS ONCE
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AGAIN SENT TO SIGNIFY A DISCONNECT TO THE DISTANT END.
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HISTORY:
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--------
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IN THE NOVEMBER 1960 ISSUE OF THE BELL SYSTEM TECHNICAL JOURNAL, AN
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ARTICLE ENTITLED "SIGNALING SYSTEMS FOR CONTROL OF TELEPHONE SWITCHING" WAS
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PUBLISHED. THIS JOURNAL, WHICH WAS SENT TO MOST UNIVERSITY LIBRARIES,
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HAPPENED TO CONTAIN THE ACTUAL MF TONES USED IN SIGNALING. THEY APPEARED AS
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FOLLOWS:
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DIGIT TONES
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----- -----
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1 700 + 900 HZ
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2 700 + 1100 HZ
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3 900 + 1100 HZ
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4 700 + 1300 HZ
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5 900 + 1300 HZ
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6 1100 + 1300 HZ
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7 700 + 1500 HZ
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8 900 + 1500 HZ
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9 1100 + 1500 HZ
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0 1300 + 1500 HZ
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KP 1100 + 1700 HZ
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ST 1500 + 1700 HZ
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11 (*) 700 + 1700 HZ
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12 (*) 900 + 1700 HZ
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KP2 (*) 1300 + 1700 HZ
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(*) USED ONLY ON CCITT SYSTEM 5 FOR SPECIAL INTERNATIONAL CALLING.
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BELL CAUGHT WIND OF BLUE BOXING IN 1961 WHEN IT CAUGHT A WASHINGTON STATE
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COLLEGE STUDENT USING ONE. THEY ORIGINALLY FOUND OUT ABOUT BLUE BOXES
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THROUGH POLICE RAIDS AND INFORMANTS. IN 1964, BELL LABS CAME UP WITH
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SCANNING EQUIPMENT, WHICH RECORDED ALL SUSPICIOUS CALLS, TO DETECT BLUE BOX
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USAGE. THESE UNITS WERE INSTALLED IN CO'S WHERE MAJOR TOLL FRAUD EXISTED.
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AT&T SECURITY WOULD THEN LISTEN TO THE APES TO SEE IF ANY TOLL FRAUD WAS
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ACTUALLY COMMITTED. OVER 200 CONVICTIONS RESULTED FROM THE PROJECT.
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SURPRISINGLY ENOUGH, BLUE BOXING IS NOT SOLELY LIMITED TO THE ELECTRONICS
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ENTHUSIAST; AT&T HAS CAUGHT BUSINESSMEN, FILM STARS, DOCTORS, LAWYERS,
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COLLEGE STUDENTS, HIGH SCHOOL STUDENTS AND EVEN A MILLIONAIRE FINANCIER
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(BERNARD CORNFELD) USING THE DEVICE. AT&T ALSO SAID THAT NEARLY HALF OF
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THOSE THAT THEY CATCH ARE BUSINESSMEN.
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OF COURSE, PHONE PHREAKS HAVE ACHIEVED AN ALMOST CULT STATUS. THEY HAVE ALSO
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HAD THEIR FAIR SHARE OF MEDIA. IN OCTOBER 1971, ESQUIRE PUBLISHED THE
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INFAMOUS "SECRETS OF THE LITTLE BLUE BOX" ARTICLE WHICH FEATURED PHREAKS SUCH
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AS CAPTAIN CRUNCH, WHO TOOK HIS NAME FROM THE CEREAL WHICH ONE GAVE AWAY
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WHISTLES THAT PRODUCED A PERFECT 2600 HZ PITCH; JOE ENGRESSIA, THE BLIND
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PHREAK; AND MARK BERNAY, ONE OF THE NATION'S FIRST AND OLDEST PHREAKS.
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OTHERS SUCH AS APPLE COMPUTER CO-FOUNDERS STEVE WOZNIAK & STEVE JOBHAVE ALSO
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HAD BLUE BOP BACKGROUNDS. 1971 ALSO SAW THE PUBLICATION OF THE FIRST ISSUE
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OF YIPL, THE PHONE PHREAK NEWSLETTER, (NOW TAP) UNDER THE EDITORSHIP OF
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SUPREME YIPPIE ABBIE HOFFMAN.
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USAGE:
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------
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TO USE A BLUE BOX, ONE WOULD USUALLY MAKE A FREE CALL TO ANY 800 NUMBER
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OR DISTANT DIRECTORY ASSISTANCE (NPA-555-1212). THIS, OF COURSE, IS
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LEGITIMATE. WHEN THE CALL IS ANSWERED, ONE WOULD THEN SWIFTLY PRESS THE
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BUTTON THAT WOULD SEND 2600 HZ DOWN THE LINE. THIS HAS THE EFFECT OF MAKING
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THE DISTANT CO EQUIPMENT THINK THAT THE CALL WAS TERMINATED AND IT LEAVES THE
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TRUNK HANGING. NOW, THE USER HAS ABOUT 10 SECONDS TO ENTER IN THE TELEPHONE
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NUMBER HE WISHED TO DIAL -- IN MF, THAT IS. THE CO EQUIPMENT MERELY ASSUMES
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THAT THIS CAME FROM ANOTHER OFFICE AND IT WILL HAPPILY PROCESS THE CALL.
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SINCE THERE ARE NO RECORDS (EXCEPT ON TOLL FRAUD DETECTION DEVICES!) OF THESE
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MF TONES, THE USER IS NOT BILLED FOR THE CALL. WHEN THE USER HANGS UP, THE
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CO EQUIPMENT SIMPLY RECORDS THAT HE HUNG UP ON A FREE CALL.
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DETECTION:
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----------
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BELL HAS HAD 20 YEARS TO WORK ON DETECTION DEVICES; THEREFORE, IN THIS
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DAY AND AGE, THEY ARE RATHER WELL REFINED. BASICALLY, THE DETECTION DEVICE
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WILL LOOK FOR THE PRESENCE OF 2600 HZ WHERE IT DOES NOT BELONG. IT THEN
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RECORDS THE CALLING NUMBER AND ALL ACTIVITY AFTER THE 2600 HZ. IF YOU HAPPEN
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TO BE AT A FORTRESS FONE, THOUGH, AND YOU MAKE THE CALL SHORT, YOUR CHANCES
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OF GETTING CAUGHT ARE SIGNIFICANTLY REDUCED (SEE TELCOM VI). INCIDENTALLY,
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THERE HAVE BEEN RUMORS OF CERTAIN TEST NUMBERS (SEE TELCOM II) THAT HOOK
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DIRECTLY INTO TRUNKS THUS AVOIDING THE NEED FOR 2600 HZ AND DETECTION!
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ANOTHER WAY THAT BELL CATCHES BOXERS IS TO EXAMINE THE CAMA (CENTRALIZED
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AUTOMATIC MESSAGE ACCOUNTING) TAPES. WHEN YOU MAKE A CALL, YOUR NUMBER, THE
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CALLED NUMBER, AND TIME OF DAY ARE ALL RECORDED. THE SAME THING HAPPENS WHEN
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YOU HANG UP. THIS TAPE IS THEN PROCESSED FOR BILLING PURPOSES. NORMALLY,
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ALL FREE CALLS ARE IGNORED. BUT BELL CAN PROGRAM THE BILLING EQUIPMENT TO
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MAKE NOTE OF LENGTHY CALLS TO DIRECTORY ASSISTANCE. THEY CAN THEN PUT A PEN
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REGISTER (AKA DNR) ON THE LINE OR AN ACTUAL FULL-BLOWN TAP. THIS DETECTION
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CAN BE AVOIDED BY MAKING SHORT-HAUL (AKA LOCAL) CALLS TO BOX OFF OF.
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IT IS INTERESTING TO NOTE THAT NPA+555-1212 ORIGINALLY DID NOT RETURN
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ANSWER SUPERVISION. THUS THE CALLS WERE NOT RECORDED ON THE AMA/CAMA TAPES.
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AT&T CHANGED THIS THOUGH FOR "TRAFFIC STUDIES!"
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CCIS:
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-----
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BESIDES DETECTION DEVICES, BELL HAS BEGUN TO GRADUALLY REDESIGN THE
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NETWORK USING OUT-OF-BAND SIGNALING. THIS IS KNOWN AS COMMON CHANNEL INTER
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-OFFICE SIGNALING (CCIS). SINCE THIS SIGNALING METHOD SENDS ALL THE
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SIGNALING INFORMATION OVER SEPARATE DATA LINES, BLUE BOXING IS IMPOSSIBLE
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UNDER IT.
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WHILE BEING IMPLEMENTED GRADUALLY, THIS MULTI-BILLION DOLLAR PROJECT IS
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STILL STRANGLING THE FINE ART OF BLUE BOXING. OF COURSE UNTIL THE PROJECT IS
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TOTALLY COMPLETE, BOXING WILL STILL BE POSSIBLE. IT WILL BECOME
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PROGRESSIVELY HARDER TO FIND PLACES TO BOX OFF OF, THOUGH. IN AREAS WITH
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CCIS, ONE MUST FIND A DIRECTORY ASSISTANCE OFFICE THAT DOESN'T HAVE CCIS YET.
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AREA CODES IN CANADA AND PREDOMINATELY RURAL STATES ARE THE BEST BETS. WATS
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NUMBERS TERMINATING IN NON-CCIS CITIES ARE ALSO GOOD PROSPECTS.
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PINK NOISE:
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-----------
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ANOTHER WAY THAT MAY HELP TO AVOID DETECTION IS TOO ADD SOME "PINK NOISE
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" TO THE 2600 HZ TONE.
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SINCE 2600 HZ TONES CAN BE SIMULATED IN SPEECH, THE DETECTION EQUIPMENT
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MUST BE CAREFUL NOT TO MISINTERPRET SPEECH AS A DISCONNECT SIGNAL. THUS A
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VIRTUALLY PURE 2600 HZ TONE IS REQUIRED FOR DISCONNECT.
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KEEPING THIS IN MIND, THE 2600 HZ DETECTION EQUIPMENT IS ALSO PROBABLY
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LOOKING FOR PURE 2600 HZ OR ELSE IS WOULD BE TRIGGERED EVERY TIME SOMEONE HIT
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THAT NOTE (HIGHEST E ON A PIANO = 2637 HZ). THIS IS ALSO THE REASON THAT THE
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2600 HZ TONE MUST BE SENT RAPIDLY; SOMETIMES, IT WON'T WORK WHEN THE OPERATOR
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IS SAYING "HELLO, HELLO." IT IS FEASIBLE TO SEND SOME "PINK NOISE" ALONG
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WITH THE 2600 HZ. MOST OF THIS ENERGY SHOULD BE ABOVE 3000 HZ. THE PINK
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NOISE WON'T MAKE IT INTO THE TOLL NETWORK (WHERE WE WANT OUR PURE 2600 HZ TO
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HIT) BUT IT SHOULD MAKE IT PAST THE LOCAL CO AND THUS THE FRAUD DETECTORS.
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CONSTRUCTION:
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-------------
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WHILE STEP-BY-STEP DETAILS FOR THE CONSTRUCTION OF A BLUE BOX IS BEYOND
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THE SCOPE OF THIS TUTORIAL, IT IS WORTHWHILE TO MENTION SOME OF THE DETAILS.
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FIRST THERE ARE SOME ALTERNATIVES BUT THEY ARE NOT AS GOOD AS AN ACTUAL
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BLUE BOX. MANY COMPUTERS ARE CAPABLE OF GENERATING MF TONES. THUS, YOUR
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LOCAL PHRIENDLY SOFTWARE PIRATE SHOULD HAVE A PROGRAM COMPATIBLE FOR YOUR
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COMPUTER.
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HOWEVER, IT IS HIGHLY ADVISABLE NOT TO BOX FROM HOME AS STATED IN THE
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TEN COMMANDMENTS (AS INTERPRETED FOR PHREAKS BY FRED STEINBECK -- TAP #86).
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I. BOX THOU NOT OVER THINE HOME
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TELEPHONE WIRES, FOR THOSE WHO
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DOEST MUST SURELY BRING THE FULL
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WRATH OF THE CHIEF SPECIAL AGENT
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DOWN UPON THY HEADS.
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ANOTHER ALTERNATIVE THAT HAS A MODERATE SUCCESS RATE INVOLVES RECORDING
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THE TONES FROM A PHRIEND WITH A BOX OR COMPUTER ONTO A CASSETTE TAPE. THEY
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CAN THEN BE USED AT A FORTRESS.
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AS FOR ACTUAL CONSTRUCTION TECHNIQUES, TAP HAS DEVOTED MANY ISSUES TO
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BLUE BOXING. BASICALLY, A BLUE BOX IS MERELY A DEVICE CAPABLE OF GENERATING
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TWO DIFFERENT TONES SIMULTANEOUSLY. THERE ARE TWO BASIC CONSTRUCTION METHODS
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THAT I WILL OUTLINE BELOW FOR THE ELECTRONICS HOBBYIST.
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THE FIRST INVOLVES THE USE OF TWO 555 TIMER CHIPS (OR A 556 -- I.E., TWO
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555'S IN ONE CHIP). IT OFFERS EXCELLENT FREQUENCY AND VOLTAGE STABILITY.
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ALSO, IT DOES NOT NEED A DIODE MATRIX KEYPAD BUT USED DOUBLE-POLE SWITCHES
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INSTEAD. SCHEMATICS FOR THIS TYPE OF BOX CAN BE FOUND IN TAP ISSUE #29.
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THE OTHER COMMON BOX MAKES USE OF TWO INTERSIL 8038CC FUNCTION
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GENERATORS. IT ALSO REQUIRES A DIODE MATRIX KEYPAD, POTENTIOMETERS, AN LM
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-100 VOLTAGE REGULATOR, A 741 OP-AMP, AND A HANDFUL OF OTHER PARTS. THE
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SCHEMATICS FOR THIS TYPE OF BLUE BOX CAN BE FOUND IN TAP #26.
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BOTH DESIGNS DRAW ABOUT 20 MA OF CURRENT.
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ALSO, MOST BLUE BOXES USE TELEPHONE EARPIECES (WITH THE VARISTOR REMOVED
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) FOR SPEAKERS. THESE CAN BE EASILY LIBERATED FROM FORTRESS FONES WITH A
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SMALL COPING SAW.
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USUALLY, THE HARDEST PART ABOUT BUILDING A BLUE BOX IS THE CALIBRATION.
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A FREQUENCY COUNTER IS A MUST AND AN OSCILLOSCOPE WON'T HURT.
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SOME BOXES ALSO TAKE TIMING INTO ACCOUNT. IT IS FEASIBLE ON THE ESS
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SYSTEMS THAT THEY CHECK TO SEE IF THE DIGITS ARE OF UNIFORM LENGTH. IF THEY
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AREN'T, THEY ARE PROBABLY FROM A BLUE BOX AND A TROUBLE CARD MAY BE DROPPED.
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WITH THIS IN MIND, THE BELL STANDARD FOR MF PULSES AND INTERDIGIT INTERVALS
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IS AROUND 75 MS. IT VARIES WITH THE EQUIPMENT USED SINCE ESS CAN HANDLE
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HIGHER SPEEDS AND DOESN'T NEED INTERDIGIT INTERVALS.
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APPLICATIONS:
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-------------
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BESIDES DIALING NORMAL CALLS FREE, I.E., KP+NPA+NNX+XXXX+ST, BLUE BOXES
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OFFER THE ENTIRE NETWORK FOR EXPLORATION. EMERGENCY BREAK-INS, SERVICE
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MONITORING (AKA TAPS), STACKING TANDEMS (THE ART OF BUSYING OUT ALL TRUNKS
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BETWEEN TWO POINTS), RE-ROUTING CALLS, CONFERENCE CALLS, AND MUCH, MUCH MORE
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ARE ALL FEASIBLE. ALTHOUGH, BELL FREQUENTLY CHANGES THESE CODES DUE TO
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PHREAKS.
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HERE ARE SOME STANDARD ONES, THOUGH:
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OPERATOR & OTHER CODES:
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-----------------------
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(AN OPTIONAL NPA MAY PROCEED ALL OF THE NUMBERS; OTHERWISE, YOU WILL
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REACH THE ONE LOCAL FOR THE AREA WHERE THE CALL IS ORIGINATED)
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001 -- TRUNK ACCESS SYSTEM
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009 -- RATE QUOTE SYSTEM
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101 -- TOLL OFFICE TEST BOARD
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121 -- INWARD OPERATOR
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THIS OPERATOR ASSISTS THE LOCAL "0" OPERATOR IN COMPLETING CALLS. (S)HE
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WILL DO VIRTUALLY ANYTHING FOR YOU PROVIDING IT IS WITHIN HER NPA.
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131 -- OPERATOR DIRECTORY
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ASSISTANCE
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141 -- ROUT & RATE
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(141 DEFUNCT -- USE KP + 800 + 141 + 1212 + ST)
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THESE OPERATORS ARE VERY USEFUL IF YOU KNOW HOW TO MUMBLE A FEW CRYPTIC
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PHRASES AS COMPILED BELOW (WITH THANKS TO FRED STEINBECK):
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TO FIND OUT...
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...AREA CODES
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FOR EXAMPLE SAY , "MIAMI, FLORIDA, NUMBERS ROUTE, PLEASE." THE R&R
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OPERATOR WILL TELL YOU "305 PLUS," MEANING THAT 305 PLUS THE SEVEN DIGIT
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NUMBER WILL GET YOU MIAMI.
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... INWARD OPERATOR CITY CODES
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USUALLY, THE INWARD OPERATOR FOR AN AREA IS SIMPLY KP + NPA + 121 + ST.
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IN SOME AREA CODES, THOUGH, THERE ARE SEVERAL LARGE CITIES AND THUS SEVERAL
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INWARDS. TO FIND THE INWARD FOR A SPECIFIC CITY, YOU WOULD SAY "916 756,
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OPERATOR ROUTE, PLEASE" TO THE R&R OPERATOR WHO WILL THEN TELL YOU "916 PLUS
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001 PLUS." THIS MEANS THAT KP + 916 + 001 + 121 + ST WILL GET YOU AN INWARD
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FOR SACRAMENTO, CA (916-756).
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... CITY NAMES
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IF YOU WANT TO KNOW THE CITY THAT CORRESPONDS TO AN AREA CODE AND
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EXCHANGE, YOU SIMPLY TELL THE R&R, "PLACE NAME, 914 390, PLEASE." IN THIS
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EXAMPLE, THE R&R OPERATOR WILL RESPOND WITH "WHITE PLAINS, NY."
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... INTERNATIONAL DIRECTORY ASSISTANCE
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IF YOU NEED A DIRECTORY ROUTE FOR LONDON, YOU COULD SAY "INTERNATIONAL,
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LONDON, ENGLAND. TSPS DIRECTORY ROUTE, PLEASE." THE R&R OPERATOR WILL
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RESPOND WITH "DIRECTORY TO LONDON, ENGLAND. COUNTRY CODE 44 PLUS 1 PLUS 986
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PLUS 3611." THEREFORE TO GET A DA OPERATOR IN LONDON, YOU WOULD ROUTE
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YOURSELF TO AN INTERNATIONAL SENDER AND KP + 04419863611 + ST.
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... COUNTRY & CITY CODES
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IF YOU NEED TO KNOW THE COUNTRY AND CITY CODE FOR AN INTERNATIONAL
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NUMBER YOU CAN SAY "INTERNATIONAL, SYDNEY, AUSTRALIA, TSPS NUMBERS ROUTE,
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PLEASE" AND GET "COUNTRY CODE 61 PLUS 2."
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... INTERNATIONAL INWARDS ROUTES
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TO GET ROUTING CODES FOR INTERNATIONAL INWARDS SAY "INTERNATIONAL,
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LONDON, ENGLAND, TSPS INWARD ROUTE, PLEASE." THE R&R OPERATOR WILL RESPOND
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WITH "COUNTRY CODE 44 PLUS 121."
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FINALLY, TO GET LANGUAGE ASSISTANCE FOR COMPLETING A FOREIGN CALL YOU
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CAN TELL THE FOREIGN INWARD, "UNITED STATES CALLING. LANGUAGE ASSISTANCE IN
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COMPLETING A CALL TO (CALLED PARTY) AT (CALLED NUMBER)."
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151 -- OVERSEAS INCOMING (212 + & 914+)
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160-XX0 -- VARIOUS OVERSEAS OPERATORS
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161 -- TROUBLE REPORTING OPERATOR (DEFUNCT)
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181 -- COIN REFUND OPERATOR
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18X -- OVERSEAS SENDERS
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TO MAKE AN INTERNATIONAL CALL, ONE WOULD KP + 011 + 0CC + ST WHERE CC IS
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THE COUNTRY CODE. THIS WILL ROUTE YOU TO THE APPROPRIATE OVERSEAS SENDER.
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YOU WILL THEN RECEIVE A 480 HZ DIAL TONE. HERE YOU ENTER KP + 0CC + CITY
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CODE + LOCAL NUMBER + ST AND THE CALL IS ON ITS WAY.
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COUNTRY CODES CAN BE EITHER 1, 2, OR 3 DIGITS BUT THEY MUST BE PADDED
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FOR THREE DIGITS TO CREATE A PSEUDO-COUNTRY CODE WITH EXTRA ZERO'S IF
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NECESSARY. FOR EXAMPLE, ENGLAND, COUNTRY CODE 44, BECOMES 044.
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TO SEE WHICH INTERNATIONAL SENDER A CERTAIN COUNTRY (LETS USE FRENCH
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GUIANA, COUNTRY CODE 594, FOR EXAMPLE) GOES THROUGH, YOU CAN DIAL KP + 011 +
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594 + ST, WAIT FOR THE PROCEED TO SEND TONE THEN KP + 000 + 0000 + ST AND YOU
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WILL RECEIVE A RECORDING SAYING WHICH ISC (INTERNATIONAL SWITCHING CENTER) IT
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IS. FOR THE EXAMPLE IT WILL SAY, "THIS IS THE INTERNATIONAL SWITCHING CENTER
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IN PITTSBURG, PA -- THIS IS A RECORDING - 4121." YOU CAN ACTUALLY ROUTE
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CALLS TO CERTAIN SENDERS YOURSELF (KP + NPA + 18X + ST) BUT IT IS BETTER OFF
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NOT TO SINCE IT MAY LOOK SUSPICIOUS IF A CALL IS SENT THROUGH A SENDER THAT
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IT SHOULDN'T GO THROUGH. HERE ARE THE SENDERS:
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182 -- WHITE PLAINS, NY
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183 -- NEW YORK, NY
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184 -- PITTSBURG, PA
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185 -- ORLANDO, FL
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186 -- OAKLAND, CA
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187 -- DENVER, CO
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188 -- NEW YORK, NY
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|
ALSO, THERE TENDS TO BE ALOT OF TALK ABOUT THE CODE 11, CODE 12, KP2,
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STP, ST3P, & ST2P KEYS. WHILE THEY DO EXIST THE BLUE BOXER NEED NOT CONCERN
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|
HIMSELF WITH THEM. THE FIRST THREE ARE USED ON CCITT SYSTEM 5. THIS IS THE
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|
SIGNALING SYSTEM THAT THE INTERNATIONAL SENDERS USE TO SEND INFORMATION TO
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|
OTHER COUNTRIES. THESE CODES ARE USUALLY ADDED AUTOMATICALLY JUST LIKE THE
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|
LANGUAGE ASSISTANCE DIGIT [WHICH DISTINGUISHES OPERATOR (OR BLUE BOX) DIALED
|
|
CALLS FROM CUSTOMER DIALED CALLS]. THE STP, ST3P, & ST2P TONES ARE USED
|
|
WHEN EQUIPMENT IS COMMUNICATING WITH THE TSPS. THESE ALSO ARE AUTOMATICALLY
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|
ADDED WHEN NEEDED IN MOST CASES.
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[SEE TELCOM III FOR MORE ON INTERNATIONAL SWITCHING CENTERS (ISC)]
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11XXX -- MISCELLANEOUS OPERATORS
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11501 -- UNIVERSAL CORDBOARD OPERATOR
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|
11511 -- CONFERENCE OPERATOR
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|
11521 -- MOBILE OPERATOR
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|
11531 -- MARINE OPERATOR
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|
11541 -- LD INCOMING SWITCHBOARD
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|
11551 -- LEAVE WORD FOR TIME & CHARGES (NEAT STUFF)
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|
11561 -- SAME AS 11551 BUT FOR HOTEL/MOTELS
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|
11571 -- OVERSEAS OPERATORS -- LANGUAGE ASSISTANCE
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|
THE 11XXX SERIES IS INTERESTING SCANNING MATERIAL.
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|
MISCELLANEOUS ROUTING CODES :
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-----------------------------
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|
ALLIANCE TELECONFERENCING HAS SEVERAL NUMBERS, A FEW OF WHICH ARE LISTED
|
|
BELOW:
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|
KP + 213 047 XXXX + ST
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|
KP + 305 025 XXXX + ST
|
|
KP + 312 001 XXXX + ST
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|
XXXX = 1050, 1100, OR A FEW OTHERS
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|
ALSO, AT KP + 317 009 + ST THERE IS A MF TONE CHECKER. AFTER THE BEEP
|
|
-KERCLUNK, DIAL IN KP + 999 1234567 890 + ST AND IT WILL REPEAT THE DIGITS
|
|
THAT YOU PULSED IF THEY ARE OF THE RIGHT FREQUENCY.
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|
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|
TANDEM SCANNING:
|
|
----------------
|
|
|
|
TO FIND ALL SORTS OF INTERESTING THINGS, YOU MUST LOOK. BEGIN SCANNING
|
|
THREE DIGIT CODES IN YOUR AREA (I.E., KP + 000 + ST, KP + 001 + ST, ETC.).
|
|
KEEP TRACK OF ALL OF YOUR RESULTS. SOMETIMES YOU MUST PROBE THINGS, SEND
|
|
ADDITIONAL DIGITS AND SEE WHAT HAPPENS, SEND TOUCH-TONE, SEND IT 2600 HZ, RIP
|
|
IT APART. YOU NEVER KNOW, YOU MAY RUN INTO SOMETHING PHUN, LIKE A COMPUTER
|
|
THAT CHECKS CC NUMBERS.
|
|
|
|
INCIDENTALLY, IN SOME EXCHANGE YOU CAN DIAL INWARDS AND OTHER BOX CODES
|
|
DIRECTLY! FOR EXAMPLE, 914-121-1111 WILL GET YOU A NY INWARD. THE ONLY
|
|
PROBLEM IS THAT A 0 OR 1 AS THE FIRST DIGIT OF THE EXCHANGE IS USUALLY
|
|
*PROHIBITED IN CUSTOMER DIALING. SOMEBODY MAY HAVE "ACCIDENTALLY" CHANGED
|
|
THIS SCREENING CODE ON YOUR ESS'S COMPUTER, THOUGH -- YOU NEVER KNOW AND IT
|
|
CAN'T HURT TO TRY. WATS TRANSLATION NUMBERS ALSO TAKE UP SOME OF THE 0XX &
|
|
1XX CODES.
|
|
|
|
FINALLY, CERTAIN TONES ON THE BLUE BOX CAN ALSO BE USED FOR OTHER
|
|
PURPOSES. AN MF "2" CORRESPONDS TO COIN COLLECT WHILE "KP" CORRESPONDS TO
|
|
COIN RETURN. THUS EVERY BLUE BOX IS ALSO A GREEN BOX (SEE TELCOM VI).
|
|
|
|
COMING SOON:
|
|
------------
|
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|
TELCOM VIII WILL DEAL WITH CORDLESS PHONES, MOBILE PHONES, AND OTHER
|
|
NEAT THINGS.
|
|
|
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|
|
BE CAREFUL AND HAVE PHUN,
|
|
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|
*****BIOC
|
|
*=$=*AGENT
|
|
*****003
|
|
<<=-FARGO 4A-=>>
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|
JANUARY 21, 1985
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|
This phile was passed through Damage, Inc.
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