| 1aess.txt | 8658 
 | ESS1 and 1A Switching Systems, researched and compiled by The Ninja Master | | 1aessdoc.phk | 4487 
 | Common 1A ESS Messages | | 1aessnfo.phk | 21476 
 | The Tao of 1A ESS, by Dead Kat and Disorder | | 5ess.onl | 63272 
 | AT&T 5ESS From Top to Bottom, by Firm G.R.A.S.P. | | 6_2_01.txt | 81187 
 | Specifications of Signalling System Number 4 | | 6_2_02.txt | 108279 
 | Specifications of Signalling System Number 5 | | 6_4_01.txt | 46979 
 | Specifications of Signalling System Number R1 | | ais.txt | 15510 
 | AIS: Automatic Intercept System: The DIAS II System by Computer Consoles Incorporated | | analss.txt | 10522 
 | Analogue Signalling Systems - An overview by NeonDreamer | | at&tinfo.txt | 9205 
 | The Complete Guide to Definity G Series Systems AKA System 75 - 85 by Scott Simpson (June 18, 1992) | | autovon.phk | 4545 
 | Introduction to the Automatic Voice Network (AUTOVON) | | autovon.txt | 18926 
 | A Description and History of the AUTOVON (Automatic Voice Network) | | axe10sss.txt | 12156 
 | The AXE 10 Subscriber Switching Subsystem, by Keltic Phr0st | | bbfraud.txt | 38508 
 | Digital Switching Systems: DMS-100 Family Blue Box Fraud Detection Feature Description (April 24, 1987) | | bctj1.01 | 1875 
 | BellCore Technical Journal: Introduction | | bctj1.02 | 15283 
 | BellCore Technical Journal: Electronic Switching System Faults | | bctj1.03 | 24383 
 | BellCore Technical Journal: Overview of Bellcore Metrocore Network | | bctj1.04 | 7457 
 | BellCore Technical Journal: Ethernet Fields | | bctj1.05 | 33042 
 | BellCore Technical Journal: ISDN C File | | bctj1.06 | 49965 
 | BellCore Technical Journal: The Microwave Image Transimpedance Front-End Amplifier For Optical Receivers | | bellcort.1 | 15287 
 | Electronic Switching System Faults from No 2 ESS Administration and Maintenance Plan, BSTJ Vol 48, 1969 | | bellres1.txt | 7257 
 | Bell Research Report (Vol I) by SSWC | | bellres2.txt | 11719 
 | Bell Research Report (Vol II) by SSWC | | bellsgnl.phk | 11307 
 | Basic Signalling, Part #1, by Asmodeus Rex | | ccittug1.txt | 79801 
 | CCITT Underground Informations Part 1 | | cco.txt | 2682 
 | Southwestern Bell's Call Control Options (May 14, 1991) | | centoff.phk | 7152 
 | A Look at Central Offices, by Doctor Zerox, David Johns and GJC | | centrex.txt | 12273 
 | Centrex Renaissance: The Technology, by John D. Bray, from Jester Sluggo | | centrexr.txt | 12079 
 | Centrex Renaissance: The Technology (October 1985) typed by Jester Sluggo | | chinarol.txt | 6079 
 | R.O.L.M. Sorcerer XII: The PBX Remote System Control, by The Conflict of CHiNA | | class.txt | 17548 
 | Custom Local Area Signalling Services by The Videosmith Version 1.1 (1994) | | classnfo.txt | 6049 
 | Information on CLASS; Custom Local Area Signaling Services | | clss.txt | 10240 
 | A Comprehensive Look at Switching Systems by Terminus | | clss7.fea | 15440 
 | Custom Local Area Signaling Services (CLASS) information from Bell | | csdc.txt | 5251 
 | Circuit Switched Digital Capability by The Executioner of PhoneLine Phantoms | | d-multsy.txt | 7698 
 | Digital Multiplex System (DMS) 100 by Knight Lighting of the Metal Shop AE | | dms-100.txt | 7613 
 | Digital Multiplex System (DMS) 100 by Knight Lightning | | dms.txt | 18152 
 | Information on the DMS Switching System | | dms100.phk | 7048 
 | Digital Multiplex System (DMS) 100 by Knight Lightning | | dms100.txt | 5273 
 | The DMS-100, by Captain Hook | | dms100x.txt | 6113 
 | Information on the DMS-100x from Northern Telecom | | eqaccess | 4569 
 | Tests Start for Long Distance Equal Access Switching from Scan Man | | equal.phk | 4603 
 | Tests Start For Long Distance Equal Access Switching from ScanMan | | equal.txt | 4522 
 | Tests Start for Long Distance Equal Access Switching by Scan Man | | ess.phk | 5085 
 | The History of ESS By Lex Luthor | | ess.sys | 7092 
 | Electronic Switching System from 2600 Magazine (February 1984) | | ess.txt | 5248 
 | Electronic Switching Systems from 2600 (February 1984) | | ess1a.txt | 10752 
 | The Phreaker's Guide to ESS1 & 1A Switching Systems by Ninja Master (May 10, 1987) | | ess2.phk | 7834 
 | Electronic Switching Advances, from 2600 Magazine | | ess7.txt | 5234 
 | ESS 7 Is Out! By The Mortician and The Villain | | esshist.txt | 5120 
 | ESS History from The Lost City of Atlantis | | essinfo | 8115 
 | Electronic Switching Advances by 2600 Magazine (June, 1984) | | fccnews2.txt | 11299 
 | Free Local Acces to Packet Switching Networks May be Eliminated! | | hvco.nfo | 5061 
 | Signaling System 7, by High Voltage (July 31, 1994) | | mremsw.txt | 10671 
 | Information about Modern Remote Switching | | pac.txt | 10356 
 | the Ins and Outs of Packet Switching | | pbx.phk | 6451 
 | PBX's (Private Branch Exchanges) and WATS, by Steve Dahl | | pbx.sys | 4829 
 | Understanding PBX Systems by Brainstorm Elite | | pbx.tap | 2104 
 | PBXes, by The Ghost | | pbx.txt | 7168 
 | Private Branch Exchanges by The Sniper (August 8, 1986) | | pbx1.txt | 6313 
 | PBX's (Private Branch Exchanges) and WATS by Steve Dahl | | pbxchn.hac | 5826 
 | R.O.L.M. Sorcerer XII PBX Remote System Control by The Conflict | | pbxhack.txt | 5957 
 | PBX Hacking Part I by Instinct (May 20, 1990) | | pbxinfo.phk | 5248 
 | Private Branch Exchanges by The Sniper (August 8) | | pbxs.txt | 6128 
 | PBX's (Private Branch Exchanges) and WATS by Steve Dahl | | pbxscams.txt | 3462 
 | PBX Users Falling Victim to Determined Rip-Off Schemes! | | pbxsniper.txt | 5079 
 | Private Branch Exchanges by The Sniper (August 8, 1986) | | psnintro.txt | 44004 
 | The Complete Introductory Guide to Sprintnet and Similar Packet Switched Networks by DOctor DIssector (April 22, 1990) | | r2.txt | 12973 
 | Signalling Systems and The Blue Box Revamped by Lazlo (July 20, 1992) | | remote.txt | 10697 
 | Quick Overview of Remote Switching | | rsts3.txt | 8829 
 | Inside RSTS/E Volume III by the Maurander | | rsts4.txt | 11880 
 | Inside RSTS/E Volume IV by The Maurader | | rsts_oz.txt | 14028 
 | Making the Most of RSTS/E Systems by Captain Hack of Melbourne, Australia (February 1, 1986) | | s56.txt | 6743 
 | Explanation of Switched Digital Service 56 (SDS 56) | | secsig.phk | 12186 
 | Secret Signals, by Texas Star (Needs some Editing) | | ss7.txt | 27364 
 | Informaiton on Signalling System 7 (SS7) | | switch.txt | 10500 
 | The Phreaker's Guide to ESS1 & 1A Switching Systems by Ninja Master (May 10, 1987) | | tiaops.txt | 10566 
 | The Ins and Outs of packet Switching by The Seker of Tribunal of Knowledge (June 23 1986) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |