The Local Loop; Modems
The 20hz ringing current (Floyd Davidson)
60hz hum (Floyd Davidson)
Dealing with ambient noise (John Higdon)
Line balance (Floyd Davidson; John Higdon)
Baud (Ron Dippold)
Busying out a line (John Higdon)
Cable loading (Floyd Davidson)
Cable splicing (John Higdon; Larry Lippman)
Cable TV system reliability (John De Armond)
Category 5 cable (Floyd Davidson)
Channel banks (the curse of modems) (Floyd Davidson)
Techniques for complaining (Floyd Davidson; John Higdon)
Conference bridges (Floyd Davidson; John Higdon)
CPC (Al Varney)
CSUs (Floyd Davidson)
Decibels (Al Varney; Floyd Davidson)
The Demarcation point (Floyd Davidson)
Spoofing of dialback modems (John B. Nagle)
Digital pads (Floyd Davidson)
Digital Line Concentrators (Fred Goldstein)
Dry pairs (Floyd Davidson)
Fast busy (Alan L Varney; Floyd Davidson)
Hybrids (Floyd Davidson)
Infinity transmitters (John G. De Armond; Brian Kantor; Larry Lippman; W1GSL ("Steve F"))
Gel cells (John G. DeArmond)
ISDN (Fred Goldstein; John Nagle)
The ISDN encoding (Al Varney; Fred R. Goldstein)
ISDN modems (Fred Goldstein)
Ordering ISDN (Fred R. Goldstein)
Line balance (Floyd Davidson)
Line current (Floyd Davidson)
Line quality (Floyd Davidson)
Detection of line stealing (John Nagle)
Loop current (Floyd Davidson)
Modem dialing wait commands (Floyd Davidson)
Modems being fried (John R. Levine)
Modem signal levels (Floyd Davidson; tabourian@compuserve.com)
Modems on satellite lines (Floyd Davidson)
Modem SNR (Floyd Davidson)
Modular cables (John Higdon)
Remote control (Floyd Davidson)
REN (John Higdon; Julian Macassey)
RF interference (Floyd Davidson; John Higdon)
Ring detector circuit (Henry Spencer)
Sealing current (Floyd Davidson)
The Shannon limit (Fred R. Goldstein)
Shielding (Floyd Davidson)
Intermittent shorted line (Floyd Davidson)
Sidetone (John Higdon)
Subscriber carrier (John Higdon)
Tariff violation charges (Floyd Davidson)
Telephone fishing (John G. DeArmond)
Getting test numbers (Floyd Davidson)
Twisted pair (Floyd Davidson)
UK phone wiring (Julian Macassey)
Central Switching; Long Cables
The 1ESS switch (Al Varney)
Automatic Message Accounting (Floyd Davidson)
Answer supervision (Fred R. Goldstein; John Higdon)
Antistatic precautions (Floyd Davidson)
B8ZS (David G. Lewis; Al Varney; Floyd Davidson; Ken Becker)
Cable rustling (Larry Lippman; Michael H. Warfield)
Call forwarding loops (Brian Kantor; Al Varney)
Call waiting and 3-way calling (Al Varney)
Choke networks (John Higdon)
Clock slips (Floyd Davidson; Fred R. Goldstein; Ken Becker)
Central Office batteries (Floyd Davidson; John Higdon)
Central Office fires (Larry Lippman)
Congestion control (Alan L Varney)
Central Office cutover (Alan L Varney)
Distributed switching (Fred Goldstein; Floyd Davidson)
DMS maintenance (Floyd Davidson)
E+M signaling (Floyd Davidson)
Emergency switch-in-a-truck (Al Varney; Pat Turner)
Advantages of fiber optics (Fred R. Goldstein)
The grace period before billing starts (Floyd Davidson)
Internet phones (Fred R. Goldstein; John Higdon)
Long Distance carrier test numbers (John R Levine)
Line Load Control (Larry Lippman)
The "no test" trunk (John R. Covert)
Oceanic cable (Floyd Davidson; John Nagle; John R. Covert)
Old central offices and dialing speed (Steve Bellovin)
Panel-type central office switches (John Higdon)
Permafrost (Floyd Davidson)
Phone privacy (Floyd Davidson)
Pressurized cables (Larry Lippman)
Ring generator machines (John Higdon)
Robbed bit signaling (Floyd Davidson)
Routing errors (Alan L Varney)
Same number error (Barry Ornitz; Patton M. Turner)
Switch resources (Floyd Davidson)
Switch type detection (Al Varney; Fred R. Goldstein)
T1 (Floyd Davidson)
T1 signaling (Floyd Davidson)
T1 synchronization (Floyd Davidson)
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Radio
902mhz (Barry Ornitz)
Airplanes and cellular phones (George Goble)
Alaskan radar (Floyd Davidson)
CDMA (Phil Karn; Ron Dippold)
Cell phone antennas (Brian Kantor)
Cell phone GPS (John De Armond)
Cellphone fingerprinting (Erik Ramberg; John Higdon)
Arthur C. Clarke and geosynchronous orbit (Ron Dippold)
Digital packet networks (Phil Karn)
FM interference (John Higdon)
Highway emergency phones (Brian Kantor)
Microwave spectrum use (Fred R. Goldstein)
NTSC (Jim Rees; John Higdon)
Passive repeaters (Barry Ornitz; John DeArmond)
Radio phone power figures (Fred R. Goldstein)
Satellite reception (Floyd Davidson)
Tropo scatter (Floyd Davidson)
UHF propagation (Klein Gilhousen)
Politics, History, Social Engineering
The suppressed article from 73 magazine (Fred R. Goldstein; John G. DeArmond)
ADSL politics (Macy Hallock)
Alarm autodialers (Henry Spencer)
AOSs (John De Armond; John Higdon; Larry Lippman)
ASCAP (John De Armond; John Higdon)
AT&T sales, as of 1990 (Dave Levenson; Roy Smith)
Autovon (Floyd Davidson)
Bell Atlantic (David Lesher; Fred Goldstein)
Bill collection (John Higdon)
Billing accuracy (John Higdon)
Blue boxes (David Lesher; John Higdon)
Telemarketing boiler rooms (John De Armond; Julian Macassey)
California phone companies (John Higdon; Fred R. Goldstein)
Recording your own calls (John G. DeArmond; Floyd Davidson; John Higdon)
Carterfone (Fred R. Goldstein; John Higdon)
Chicago (Brett Frankenberger)
Chicago freeway control (Alan L Varney)
COCOTS (Fred R. Goldstein)
Competition (John Higdon)
Credit card merchant accounts (John Higdon)
Digital line costs (Fred R. Goldstein)
European phones (Fred R. Goldstein)
FBI wiretapping (Floyd Davidson; Fred R. Goldstein)
The FCC (John Higdon)
Flat rates for local calling (Floyd Davidson; Fred R. Goldstein)
German phone story -- 1968 (Robert S. Helfman)
The GSM cipher (Ross Anderson)
John Higdon (John Higdon)
The growth of the Internet (Floyd Davidson)
The inward operator (John R. Covert; Robert E. Seastrom; Bill Chiarchiaro; Gabe M Wiener)
ISDN politics (Floyd Davidson; Fred R. Goldstein; Macy Hallock; Henry Spencer)
ISDN SPIDs (Fred R. Goldstein)
ISDN standards (Fred R. Goldstein)
Phones in Japan (John Higdon)
Larry Lippman (Barry Ornitz; Marvin Minsky)
Determining whether a call is local (Macy Hallock)
Local call competition (Fred Goldstein)
MCI (John Higdon)
Modem tax (various attempts) (Fred R. Goldstein)
NSAKEY (Brett Frankenberger; Thor Lancelot Simon)
Pacbell PCS hack (John Higdon)
Pakistani phones (Julian Macassey)
Phone sex (Pat Townson)
PICC (Fred R. Goldstein)
Pirate radio (John Higdon)
Presidents (John Nagle)
PUC interventions (Fred Goldstein)
Radio idiots (John Higdon)
Rural lines (Fred R. Goldstein; Larry Lippman)
Phone company secrecy (John Higdon)
Sprint ANI spoofing (John Higdon)
Sprint (Fred R. Goldstein; Ronald D. Havens)
Telegraph cables
Telemarketers (John Higdon; John DeArmond)
Toll alerting (John R Levine)
Touchtone charges (John Higdon)
US West (Floyd Davidson)
Wrong numbers (Andrew Peed; John Higdon; Roy Smith)
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