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THC BBS Archive CD-ROM
071SCAM.TXT
A 1-900'ish scam being pulled in public buildings in Europe; could happen here!
1957.PGR
Notes on some of the earliest pagers used in the late 50's and early 60's
1AESS.DOC
1AESS Common Input Msgs
1AESS.TAO
The Tao of 1AESS
1AESS.TXT
1AESS Toll Switch
1AESSAMA.TXT
1AESS Automatic Message Accounting
312SPLIT.TXT
Technical memo on the 312/708 NPA split
4PAIR.ANS
4 pair diagram in ANSi
503_541.TXT
Details of the 503-541 (Oregon) area code split
555TECH.TXT
555 Exchange service expansion
5ESSTEXT.TXT
5ESS Switch - Corrective Maintenance Procedures
5ESS.HTM
About the 5ESS
6_2_01.TXT
Specifications of Signalling System #4 - Recommendations Q.120 to Q.139
6_2_02.TXT
Specifications of Signalling System #5 - Recommendations Q.140 to Q.164
6_4_01.TXT
Specifications of Signalling System R1 - Recommendations Q.310 to Q.331
6_4_02.TXT
Recommendations Q.327 to Q.412
6_4_03.TXT
Q.414 to Q.430
6_4_04.TXT
Q.440 to Q.480
6_4_05.TXT
Q.490 plus annexes and supplements
6_6_01.TXT
Q.601 to Q.608 plus annexes
6_6_05.TXT
Q.699 1/2
6_6_06.TXT
Q.699 2/2
800_S.DOC
A long list of 1-800 data numbers
800BASIC.TXT
Create your own list of cellular phone numbers for scanning with basic
900FRAUD.NWS
News article on fraudulent 900 numbers
911.DOC
The original E911 document (the one that started it all)
959.TXT
The AT&T 959 Exchange
9X_SGLNG.TXT
Signaling Methods Written by: Khelbin
ABC.TX1
The ABC's of Payphones 1 of 4
ABC.TX2
The ABC's of Payphones 2 of 4
ABC.TX3
The ABC's of Payphones 3 of 4
ABC.TX4
The ABC's of Payphones 4 of 4
ABOUT311.TXT
About the 311 exchange
ABT_ACTS.TXT
About ACTS
ACPREFIX.TXT
Area Code Prefix Routing
ADPCM.TXT
Information on ADPCM
AIRFONE.FRQ
Air Phone Frequencies
ALASCOM.STY
The Alascom Story
ALLIANCE.DOC
Alliance Teleconferencing
ALLPHONE.FRQ
A long list of known telephone radio frequencies, including cellular, cordless, mobile, and paging
AMABEL01.TXT
A 'Ma Bell' for the space age (Motorola Inc. plans Iridium project for satellite-based phone service)
ANI.TXT
Call ANI! Just in case you think 800 numbers have to wait to get their bill to find out who you are...
ANIADD.TXT
Additional thoughts on ANI
ANIINFO.TXT
ANI info.
ANISPECS.DOC
MCI Telecommunications ANI specification doc
ANIVSCID.TXT
ANI versus Caller ID
ANS_EXC.TXT
Answering Machine Exclusion
AREA905.NEW
What exchanges have been moved in the 416-905 split?
AREACODE.ASC
Area codes and time zones
AREACODE.LST
Areacode Xref-A/C,Nxx,City
AREACODE.TXT
Dialing Away Our Area Codes
AT_TCODE.TXT
AT&T 3-letter codes
AT_TNUKE.TXT
What AT&T has done to protect itself in a nuclear war
ATTDDIAL.TXT
Press release on AT&T's expansion of Direct-Dial international cal
ATTNEWS.DOC
"Digital Bypass Report" February 1985
AUTOVON.TXT
Autovon Military Phone Net (Pt's 1-3)
BAIQ.TXT
Bell Atlantic IQ Services Listing
BBSNOISE.TXT
File regarding Telco line noise and what to do about it 11/94
BCTOP95.DOC
A file about BC Tell's plans for the 90's.
BCTRURAL.DOC
A file about BC Tells plans for Rural service for the 90's
BELLATL1.PHK
Bell Atlantic Information
BELLBITS.TXT
Bits about Bell
BELLCORE.INF
Junction Box Number Identification
BELLSHIT
BELLCORE Information
BILLDIST.TXT
Long Distance Billing Formula(s)
BJ.TXT
Bell Jargon & Op Structures
BLSTRIKE.TXT
How AT&T made a major fortune from the strike of 1983
BR_VS_RT.TXT
Bridges vs. Routers
BT_LOC.TXT
Location of British Telecom Telephone Exchanges
BT_SEC.TXT
British Telecom Physical security Manual
BUGGED.TXT
A capture of a message that tells how you can check to see if your phone line(s) have been bugged in the last 6 months
CABLES.TXT
Telephone Cabling colour scheme
CALL_800.TXT
Caller ID and 800/900 subscribers
CALLCARD.DOC
Bell Labs info on reading Calling Cards
CALLERID.GIF
Caller ID Schematic (Via Rs232 Serial Port)
CALLERID.GLS
Glossary of Caller ID Varieties
CALLERID.TXT
Caller ID Box Plans (Via Rs232 Serial Port)
CALLERID.ZIP
Caller ID Software (Via Rs232 Serial Port)
CALLWAIT.NO1
A Call-Waiting Horror Story
CCH.TXT
Country Codes History
CCS.TXT
Whats ON A Calling Card
CCSECRET.TXT
Calling Card Secrets
CCVAL.TXT
CC Validation Centre
CDPDCELL.TXT
A Comparison of CDPD and Circuit Switched (Cellular) Data
CELLMODE.TXT
"How to connect any cellular phone to a modem" by Phantasm (08/July/1995)
CELP.TXT
Info on CELP: Code Excited Linear Prediction
CHARGING.TXT
How to tell if you're being charged for a call (UK)
CID_ANI.TXT
A nice authorative review of CID and ANI and how you the Telco can 'reach out and touch' you if you aren't careful. Discussion of a possi
CLASS.TWG
CLASS- Custom Local Area Signalling Services
CLASSCOD.TXT
A list of CLASS (aka CMS, IQ Services, etc.) codes
CLIDCHIP.TXT
Where to get your Motorola Caller-ID chips
CND_SPEC.TXT
Calling Number Delivery (aka Caller-ID) - A basic specification
CNID.FAQ
Caller ID FAQ
COCOTS.TXT
About Cocots 1/2
COCOTS2.TXT
About Cocots 2/2
COCOTS40.RL
Renegade Legion Technical Report 4.0: COCOTs!!! and Red Boxes
COIN.CTL
TSPS Coin Control Signals
COINSERV.TXT
Coin Services
CTRYCODE.DOC
Overseas Country Codes
DB001.007
Loops 'n' Diverters - an explanation with numbers to try
DB001.008
950's: The Real Story
DB001.018
Unlisted Phone Numbers
DIALBACK.DOC
Dial back isn't always secure
DIALPLAN.DOC
North American Dialing Plan
DIVINTRO.TXT
Introduction to Diverters
DMS100.TXT
DMS 100 Switch
DONTCALL.NWS
The scariest number in the world!
EA.TXT
Equal Access Over-rides
EARLYESS.TXT
Early ESS designs
ESS.SYS
ESS Systems
ESS01.HTM
ESS1 & 1A Switching Systems by Ninja Master
ESS02.HTM
List of 1A Input/Output Messages
ESS03.HTM
The TAO of ESS by Deadkat and DisordeR
ESS04.HTM
Central Office Operations Western Electric 1ESS, 1AESS
ESS05.HTM
AT$T 5ESS(tm) From Top to Bottom by Firm G.R.A.S.P.
ESS09.HTM
CCITT Hierarchy Nomenclature
ESS11.HTM
CLASS Phone Features by Chris Ambler (Telecom Digest)
ESS12.HTM
DMS Family of Digital Switching Systems by Erudite
ESS13.HTM
Summary: Description of DMS 10,100,200,250,300 (usenet)
ESS14.HTM
Digital Multiplex System (DMS) 100 by Knight Lightning
ESS16.HTM
Helmsmen Documentation List (For DMS100)
ESS17.HTM
A NAPPA Profile on ESS by Blind Justice
ESS19.HTM
Notes from No 2 ESS Administration and Maintenance Plan
ESS2.PHK
More info on ESS
ESS20.HTM
ESS 7 is OUT! (Not very..accurate)
ESS26.HTM
List of switch/vendor/type/description
FACSFACT.TXT
Facts on FACS
FBI.TXT
Latest FBI Digital Telephony Proposal
FILING.DOC
A file showing some evidence that BC Tell has against unitell, to close them down.
FIND.PAI
Woes in getting second and third lines in older buildings
FONE1942.TXT
This is what it took to make a long distance call in 1942!
FONEINFO.DOC
A little inside info on the phone system
FONPATCH.TXT
This is some informative text about making your own phone patches for a cassette recorder, Ham Radio, sound card, tv, or whatever the hel
FORTELL.TXT
4-Tel Systems
GUIDE.NPA
A Guide to Area Codes
HEIRARCH.TXT
Telco interoffice hierarchy - for when you need to give an operator hell
HISTORY.NPA
History of Area Code Splits
INCOMING.DOC
Incoming Trunk Service Observing
INTRPBX.TXT
Introduction to PBXes
INVESTIG.LOD
Bell Security Investigative Procedures
IRIDIUM.INF
Iridium - Motorola's "new" (90/08) cellular system
ISDN_TUT.TXT
An introduction to ISDN
ISDN.TXT
Info on ISDN/ESS5 Service
ISDN1.TXT
ISDN FAQ 1/5
ISDN2.TXT
ISDN FAQ 2/5
ISDN3.TXT
ISDN FAQ 3/5
ISDN4.TXT
ISDN FAQ 4/5
ISDN5.TXT
ISDN FAQ 5/5
ISDNINFO.TXT
Introduction to ISDN and its services, with info on possible next-
ITT.NAP
NAP/PA Profile on ITT
ITTTONE.TXT
Tones from an ITT Manual
LD900.TXT
Ad sheet for "Media Dial" - explains how those 011-56-xxx-yyyy dialit service calls work
LNENOISE.TXT
Trunking System Line Noise
LOCAL950.TXT
Local 950's
LOL_015.PHK
Legions of Lucifer: CN/A - What it is
LOOPS.TXT
Loops Explained
LOSTLOD.DOC
AT&T central office operations (LOD)
MABELL1.DOC
How Ma Bell Works 1
MABELL2.DOC
How Ma Bell Works 2
MCI.TXT
MCI Overview
MCIINVES.TXT
MCI and FBI Investigations
MCITG1.TXT
MCI Telecom Glossary Pt.1
MCITG2.TXT
MCI Telecom Glossary Pt.2
MCITG3.TXT
MCI Telecom Glossary Pt.3
MCITG4.TXT
MCI Telecom Glossary Pt.4
MCITG5.TXT
MCI Telecom Glossary Pt.5
MD_4TEL.TXT
VRS II 4TEL Training Guide
MD_BTA.TXT
The MeD's BT Abbreviation Guide
MD_EQN.TXT
How to find your MDF position from your Equipment Number (UK)
MD_PAYFN.TXT
Programming the Payphone 190 (UK)
MD_SECTL.TXT
British Telecom Security Contact Numbers
MD_WNS.TXT
BT Worldwide Network Security
MDABRD.TXT
BT Abbreviations and Decriptions
METRPULS.TXT
Metering pulses in Europe
MILTONES.TXT
Army and Air Force signalling tones
MISUSE.DOC
BC-Tel's misuse of services pamphlet
MNORSYS.TXT
The Meridian Norstar Digital Phone System
MOBILFON.TXT
Mobile Phones
MOTOROLA.DOC
Motorola Trunking System
MYTH2600.DOC
The myth about 2600Hz detectors
NARC6.HAC
Tracing/ANI explained
NARC8.TXT
N.A.R.C. #8: Basics of PBXs
NPA250.TXT
The British Columbia 604/250 Area Code Split of 1996/97
NPAINFO.DOC
Just how full are the NPA's?
NPAS0495.TXT
Quarterly NPA report
OVERSEAS.DOC
Overseas dialing
PCPURSUI.T
PC Pursuit
PENTRACE.TXT
Pen registers and like tracing methods
PERMINIT.TXT
Bell Canada to file for per-minute local rates
PHONEC.TXT
Techno info on phone cabling
POLICY.DOC
A file on BC Tell's policys.
PPRIMER.DOC
Basic overview of the phone system
PRESFREQ.DOC
Which White House circuits ahve been secured?
Q_A.DOC
Questions and answers on long distance competition
R2.TXT
Info about CCITT#5-R2 Signalling System
RECORDN.PHK
GTE Recordings
REFERENZ.TXT
Signalling in the Toll Plant
REMOBS.FRK
REMOBS
REMOBS1.TXT
More REMOBS info
REVERSE.TXT
Reverse Phone Book Info
RISKS_CN.TXT
RISKS Thread on Caller ID
ROGERS.DOC
The Telecomunication Unions opinions on selling long distance phone service
ROGERS2.DOC
More on the TU's opions on LD fone service
ROLM.PBX
The ROLM PBX
ROUTING.TXT
Routing
SAC600.TXT
Info on 600 numbering assignments
SCAM_1.TXT
Commercial Phone Scams
SCAM_2.TXT
More Commercial Phone Scams
SEATAC.TXT
About pay terminals at SEATAC airport - AT&T Public Phone 2000
STATELAW.FON
Differences in State Telecom Regulations
TANDEMS.TXT
Tandems
TAPS.TXT
Some info on Taps
TASI.TXT
Time Assigned Speech Interpolation
TE.TXT
Telco Equipment Descriptions
TELCO.TXT
A complete list of Telephone Companies
TELENETX.TXT
Telenet Info
TELEPHON.HTM
Ah, some telephone related schematics in ascii/html
TELEXRFA.TXT
Telex Wireless Info #1
TELEXRFB.TXT
Telex Wireless Info #2
TELIN.TXT
Overcoming line interference
TELWIRE.TXT
Notes on outside plant wiring
TESTER.TXT
British Telecom Testing Equiptment
TESTLINE.DOC
Tutorial on test trunks
THREEWAY.PHK
Three-Way Calling
TLXCODES.DOC
Telex Country Codes Listing
TMC.TXT
TMC Primer
TONE.TXT
Tones & Frequencies
TOUCHSNG.TXT
The Canonical list of Touch Tone Songs
TRU.DOC
The TRU Telemanagement system
TSPSCON.TXT
What a TSPS console looks like
TSPSHIST.TXT
History of TSPS/TOPS
TV10CSF.SPC
How Tel prevents Coin Station Fraud
UNTS.TXT
Understanding the Telephone System
UPHONES.TXT
Understanding Telephones
VEHSEC.TXT
Official British Telecom file on vehicle security (BT vans)
WHENUCAL.PHK
What happens when you call
NORTELMP.DOC
Notes on the Nortel Millennium Payphone
500-700.TXT
500=700=900=809??? (1996)
DTMF-FAQ.TXT
DTMF FAQ
BT_PHCRD.TXT
How BT Phone Cards work, by Archaos, 1993
ANI1.TXT
ANI - Automatic Number Identification
ANIEXPL.TXT
ANI Explained - how it was used for toll billing
KORT_TFN.TXT
Telephone Cards (in Swedish) by Phreaky
MISP65.TXT
Card-reading Public Station Requirements from Bellcore
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