| ||
|
| Miniature Beige Box Design | Go-WWW |
| International Dialling Codes | Go-WWW | |
| Ringing Phone Light Flasher | Go-WWW | |
| Parallel Telephones with Secrecy | Go-WWW | |
| Remote control using telephone | Go-WWW | |
| Telephone moves to broadband | Go-WWW | |
| Compliance Engineering Magazine | Go-WWW | |
| How Cordless Telephones Work | Go-WWW | |
| FM Telephone Bug | Go-WWW | |
| E-Series Recommendations Excerpts | Go-WWW | |
| DTMF - Most Of What You Wanted To Know | Go-WWW | |
| comp.dcom.fax Newsgroup FAQs | Go-WWW | |
| FCC Caller ID page | Go-WWW | |
| Smart Phone light | Go-WWW | |
| Wiring Inside Phones | Go-WWW | |
| Telephone ringing circuits | Go-WWW | |
| The Strowger Telecomms Page | Go-WWW | |
| CID.ZIP | Go-WWW | |
| Echo Cancellation for VoIP | Go-WWW | |
| Computer Caller ID FAQ | Go-WWW | |
| Radio Interference to Telephones | Go-WWW | |
| Caller ID circuits and information | Go-WWW | |
| Phone rang indicator light | Go-WWW | |
| Dialing for fewer dollars | Go-WWW | |
| Cyber Telephone Museum | Go-WWW | |
| Generating DTMF tones using computer soundcard | Go-WWW | |
| Wiretapping and Outside Plant Security | Go-WWW | |
| EE476 Final Project AT90LS8515 PBX (Private Branch Exchange) | Go-WWW | |
| VoIP--do it right | Go-WWW | |
| Audio Visual Ringer | Go-WWW | |
| Telephone In-Use Indicator | Go-WWW | |
| dBm to RMS voltage chart | Go-WWW | |
| Remote control using telephone | Go-WWW | |
| Telephone Ring Generator | Go-WWW | |
| Telephone Line Based Audio Muting and Light-On Circuit | Go-WWW | |
| Midcom Technical Note library | Go-WWW | |
| ITU-T | Go-WWW | |
| Guidelines for implementation caller ID service in Finland (GFI9702) | Go-WWW | |
| GUIDELINES FOR IMPLEMENTATION CALLING LINE IDENTIFICATION SERVICE OVER THE ANALOG PSTN LOCAL LOOP - DTMF based subscriber line protocol | Go-WWW | |
| Texas Instruments | Go-WWW | |
| Audio Visual Ringer | Go-WWW | |
| Cut Phone Line Detector | Go-WWW | |
| Telephone operating parameters | Go-WWW | |
| Telephony history pages from Mike Sandman | Go-WWW | |
| Bell System Memorial | Go-WWW | |
| Phrack | Go-WWW | |
| Facsimile Theory | Go-WWW | |
| Wireless Phone Jack | Go-WWW | |
| Caller ID / DTMF audio decoder | Go-WWW | |
| Microsoft Excel 4.0 format | Go-WWW | |
| Pack up your PBX--VoIP is here | Go-WWW | |
| Off line Telephone tester | Go-WWW | |
| Mu-Law Companding | Go-WWW | |
| Remote control using telephone | Go-WWW | |
| Disassembly Of A Touch-tone Phone | Go-WWW | |
| Voice-Data Consolidation Tutorial | Go-WWW | |
| Phone Busy Indicator | Go-WWW | |
| Telephone Recorder | Go-WWW | |
| Tape Recorder Switch for Telephone | Go-WWW | |
| Phone-bug | Go-WWW | |
| Simple telephone test circuit | Go-WWW | |
| Circuit provides message on disabled phone line | Go-WWW | |
| Phone Hold With Music | Go-WWW | |
| How Telephones Work | Go-WWW | |
| Hands-Free Telephone | Go-WWW | |
| Telephone line surge protection | Go-WWW | |
| Having secrecy in parallel telephones | Go-WWW | |
| Telephone Service Manuals and Schematics for Western Electric Phones | Go-WWW | |
| Telephone Tribute | Go-WWW | |
| Antique Telephone Collector's News | Go-WWW | |
| Low cost, CTR 21 compliand DAA for Europe | Go-WWW | |
| ITT Telephone Instrument Maintenance Manual | Go-WWW | |
| How a PBX works | Go-WWW | |
| UK Caller ID FAQ homepage | Go-WWW | |
| Creating Your Own Telephone Network | Go-WWW | |
| Caller ID Links | Go-WWW | |
| What do all the wire colors mean? | Go-WWW | |
| Telephone Headgear | Go-WWW | |
| Overview of IEC 950 - EN 60950 (BABT), UL 1950 / CSA 950 | Go-WWW | |
| Midcom | Go-WWW | |
| FM Telephone Transmitter | Go-WWW | |
| Mitel | Go-WWW | |
| Telephone ringing circuits | Go-WWW | |
| What is Ringer Equivalence? | Go-WWW | |
| Touch-Tone Information | Go-WWW | |
| Midcom | Go-WWW | |
| Midcom | Go-WWW | |
| How to make residential phones regulate their own power | Go-WWW | |
| Jeff's Introduction to Load Coils and Bridge Taps | Go-WWW | |
| Building a telephone answering system | Go-WWW | |
| Telephone line audio interface circuits | Go-WWW | |
| Telephone Ringer using 556 dual timers | Go-WWW | |
| How Cordless Telephones Work | Go-WWW | |
| Isolated Telephone Interface | Go-WWW | |
| Antique Telephone Collectors Association | Go-WWW | |
| Tackling the echo-control challenge | Go-WWW | |
| 2600 Magazine | Go-WWW | |
| Counterintelligence and Counterterrorism WWW Page | Go-WWW | |
| 9-Line Telephone Sharer | Go-WWW | |
| Telecommunication Tidbits | Go-WWW | |
| How telephone recording adapters work | Go-WWW | |
| Review on Frequency Requirements for Cordless Telecommunications Apparatus | Go-WWW | |
| MT8870 Datasheet | Go-WWW | |
| Understanding telephones | Go-WWW | |
| Dunfield Devellopment System | Go-WWW | |
| Telephone ring detector using 4N35 optisolator | Go-WWW | |
| Telephone recording circuits | Go-WWW | |
| Echo Cancellation Tutorial | Go-WWW | |
| Optimum Hybrid Design | Go-WWW | |
| Modem Line Interface Solutions using Vishay SSRs | Go-WWW | |
| RJ11C - RJ11W pinouts | Go-WWW | |
| Handy Line Interface Design Hints! | Go-WWW | |
| Midcom Technical Note Technical Note Index | Go-WWW | |
| Two line intercom plus a telephone changeover switch | Go-WWW | |
| Phone Line Basics Engineering Notes | Go-WWW | |
| Radio signal suppression for telephone sets | Go-WWW | |
| USA DAA Reference Schematic from Infineon | Go-WWW | |
| Load Coils | Go-WWW | |
| Digital/Standard Phone Line Tester | Go-WWW | |
| Fax Technology and Testing Issues Tutorial | Go-WWW | |
| Phone Losers of America | Go-WWW | |
| DTMF Tone Decoder with LCD Display | Go-WWW | |
| Disassembly Of A Touch-tone Phone | Go-WWW | |
| Voice Switched Speakerphone ICs (TEA1095) | Go-WWW | |
| FCCC Part 86 - connection of terminal equipment to the tlepehone network | Go-WWW | |
| 2-Line Intercom-Cum-Telephone Line Changeover Circuit | Go-WWW | |
| Adding a Jack to an Existing Phone Line | Go-WWW | |
| How Telephones Work: Calling Someone on the Telephone Network | Go-WWW | |
| Telephone Headgear | Go-WWW | |
| Phone in use circuits | Go-WWW | |
| Telephone ringer circuit | Go-WWW | |
| Telephony Overview and Applications | Go-WWW | |
| whole article in Microsoft Word format | Go-WWW | |
| Rockwell class 1 and 2 fax command information | Go-WWW | |
| Off line Telephone tester | Go-WWW | |
| Universal DAA Reference Schematic from Infineon | Go-WWW | |
| Un composeur automatique de numéro téléphonique | Go-WWW | |
| Is Your PBX Ready for the Junk Heap? | Go-WWW | |
| Java Telephony API | Go-WWW | |
| Telephone In-Use Indicator, Telephone Ringer and The Surfers Preserver | Go-WWW | |
| JACKS and PLUGS | Go-WWW | |
| Telephone line based audio muting and light on circuit | Go-WWW | |
| An Introduction to Load Coils and Bridge Taps | Go-WWW | |
| comp.dcom.fax Newsgroup FAQs | Go-WWW | |
| Transformer Modeling Tips | Go-WWW | |
| Digital/Standard Phone Line Tester | Go-WWW | |
| Telephone In-Use Indicator, Telephone Ringer and The Surfers Preserver | Go-WWW | |
| Building and using phone patches | Go-WWW | |
| Midcom Technical Note library | Go-WWW | |
| The Hacker's Handbook | Go-WWW | |
| Telephone distinctive ring switcher | Go-WWW | |
| 2-Line Intercom-Cum-Telephone Line Changeover Circuit | Go-WWW | |
| Phone line audio characteristics | Go-WWW | |
| Telephone & Answering System | Go-WWW | |
| Managing Telephony Services with the S.100 API | Go-WWW | |
| Phone Man's Advice for Wiring Your Home Phone Lines | Go-WWW | |
| Telephone Recorder | Go-WWW | |
| The DTMF encoding | Go-WWW | |
| Ensuring Voice Quality with Adequate Tail Length | Go-WWW | |
| Transmission lines: Why 600 Ohms? | Go-WWW | |
| Fax saver cuts wear, tear, and power | Go-WWW | |
| Wiring inside telephones | Go-WWW | |
| Black Magic! Telecom Design Tricks | Go-WWW | |
| Midcom Technical Note library | Go-WWW | |
| Caller ID Display Service | Go-WWW | |
| Speech-Enabled Interactive Voice Response Systems Tutorial | Go-WWW | |
| G-Files | Go-WWW | |
| Caller ID / DTMF Audio Decoder Sources & Links | Go-WWW | |
| Phone Remote System | Go-WWW | |
| Ring-tone generator uses high-Q filter | Go-WWW | |
| How do I hook the Sound Blaster output to play over the phone line | Go-WWW | |
| Telephone Line Attacks | Go-WWW | |
| Return Loss Calculations | Go-WWW | |
| Telephone Tribute Technical Information | Go-WWW | |
| Cordless telephones primer | Go-WWW | |
| 4 line telephone line status indicator | Go-WWW | |
| The telephone ring monitor | Go-WWW | |
| Midcom | Go-WWW | |
| Echo-canceller design ensures hands-free, high-fidelity telephony | Go-WWW | |
| Telephone Hold Button | Go-WWW | |
| The PBX Goes PC | Go-WWW | |
| Phone Hold With Music | Go-WWW | |
| Transformer Seminar Notes | Go-WWW | |
| How message waiting lights work | Go-WWW | |
| Impedance measurements of telephone lines | Go-WWW | |
| RF Elimination Technical Bulletin | Go-WWW | |
| Televiestintää koskevia lakiotteita teletoimintalaista ja rikoslaista | Go-WWW | |
| Phone Remote System | Go-WWW | |
| Memorial to the Bell System | Go-WWW | |
| The Official Phreaker's Manual | Go-WWW | |
| DTMF Encoding and Decoding In C | Go-WWW | |
| Telephone line audio interface circuits | Go-WWW | |
| Telephone line monitor | Go-WWW | |
| Chip recorder customizes phone ringer | Go-WWW | |
| ITU-T E-Series Recommendations Excerpts | Go-WWW | |
| Phone Hold With Music | Go-WWW | |
| Phone In Use Indicator | Go-WWW | |
| Wiretapping | Go-WWW | |
| Optocouplers Isolate Modem Data Access Arrangement | Go-WWW | |
| Siemens Optical DAA2000 Theory of Operation Application Note | Go-WWW | |
| Telephone Number Display | Go-WWW | |
| Fax to Faxmodem interface circuit | Go-WWW | |
| Two line intercom plus a telephone changeover switch | Go-WWW | |
| Notes on the Telephone-To-Sound-Card Interface Project | Go-WWW | |
| How Cordless Telephones Work | Go-WWW | |
| EE476 Final Project AT90LS8515 PBX (Private Branch Exchange) | Go-WWW | |
| An Introduction to Providing Your Own Telephone Wiring | Go-WWW | |
| TEA7540 Speakerphone Circuit for Handsfree Telephone Set | Go-WWW | |
| Loop current technical bulletin | Go-WWW | |
| Free-line indicator stops interruptions | Go-WWW | |
| Network Prep and QoS Assurance | Go-WWW | |
| Use old telephones as intercom | Go-WWW | |
| A Zillion Different Ways To Make Your Very Own Red Box | Go-WWW | |
| Time Domain Reflectometry Analysis | Go-WWW | |
| Telephone call meter using calculator & COB | Go-WWW | |
| 1 line status indicator | Go-WWW | |
| Voice&Data GoldBook | Go-WWW | |
| Phone Man's Advice for Wiring Your Home Phone Lines | Go-WWW | |
| How to measure Total Harmonic Distortion (THD) of a transformer or other passive device | Go-WWW | |
| Pheaking Sites Links | Go-WWW | |
| Playing a Mac through a standard telephone line | Go-WWW | |
| Coherent Communications Articles | Go-WWW | |
| FCC Part 68 - Connection of terminal equipment to the telephone network | Go-WWW | |
| Phone Hold With Music | Go-WWW | |
| Telephone In-Use Indicator, Telephone Ringer and The Surfers Preserver | Go-WWW | |
| Tips for Correcting Bad Phone Lines | Go-WWW | |
| Telephone Line Relay Switch | Go-WWW | |
| Using the Comrex HotLine or Vector on a Dry Pair | Go-WWW | |
| DSP Solutions for Data/Facsimile Modems | Go-WWW | |
| Caller Identification - What Standards are Involved? | Go-WWW | |
| Pulver.com | Go-WWW | |
| Modem connection | Go-WWW | |
| Phone Amplifier | Go-WWW | |
| Usein kysyttyjä kysymyksiä teleliikenteestä ja -tekniikasta | Go-WWW | |
| Companding systems used in telephone PCM systems | Go-WWW | |
| Approximation problem of telephone-line characteristi impedance | Go-WWW | |
| Phone-In-Use indicator | Go-WWW | |
| Analogue leased lines and leased line V.23 | Go-WWW | |
| Circuit eliminates PC echoes | Go-WWW | |
| Midcom | Go-WWW | |
| Ringing Phone Light Flasher | Go-WWW | |
| Siemens Optical DAA2000 Circuit Variations for International Operation Application Note | Go-WWW | |
| Caller ID circuits and information | Go-WWW | |
| FX602 Calling Line Identifier IC | Go-WWW | |
| How IP PBX works | Go-WWW | |
| Telephony Overview and Applications | Go-WWW | |
| Telephone In-Use Indicator, Telephone Ringer and The Surfers Preserver | Go-WWW | |
| DTMF Generator/Decoder | Go-WWW | |
| 3750 V of Isolation Not Required at the Network Termination | Go-WWW | |
| Nonvoice Calls and Line Testing Tutorial | Go-WWW | |
| Telephone Tap | Go-WWW | |
| Telephone Record Control | Go-WWW | |
| Telephone recorder | Go-WWW | |
| Tribute to the Telephone | Go-WWW | |
| Circuit translates A law to m law | Go-WWW | |
| Tips for Correcting Bad Phone Lines | Go-WWW | |
| Simple Phone Tap | Go-WWW | |
| DC Holding Circuits | Go-WWW | |
| Transformer Equivalent Circuit | Go-WWW | |
| Wireless Local Loop (WLL) Tutorial | Go-WWW | |
| Telephone In-Use Indicator, Telephone Ringer and The Surfers Preserver | Go-WWW | |
| Telephone privacy adapter | Go-WWW | |
| All about the Ma Bell circuit | Go-WWW | |
| Yahoo | Go-WWW | |
| Telephone line surge protector circuit | Go-WWW | |
| World Wide Phone Guide | Go-WWW | |
| How Wiretapping Works | Go-WWW | |
| Viestintävirasto | Go-WWW | |
| 2 line telephone line status indicator | Go-WWW | |
| ftp://nic.funet.fi/pub/doc/telecom/technical/lightning.surge.protect | Go-WWW | |
| Telephone Schematics for Western Electric Phones | Go-WWW | |
| Generate CID/CIDCW analog signals | Go-WWW | |
| Smart Phone light | Go-WWW | |
| Telephone-related ASCII Schematics | Go-WWW | |
| Telephony Billing Tutorial | Go-WWW | |
| Cordless Phones Examined: Monitoring Cordless Phone Frequencies | Go-WWW | |
| Adding a Second Line to Your Existing Phone Jacks | Go-WWW | |
| CTI converges on a single TDM bus | Go-WWW | |
| Historic Telephony | Go-WWW | |
| DTMF Products for you | Go-WWW | |
| QST October 1992 Lab Notes on Telephone EMI | Go-WWW | |
| Telephone Plug Types by Country | Go-WWW | |
| Frequently Asked Questions About Caller-ID | Go-WWW | |
| Phone-line privacy circuit | Go-WWW | |
| Telephony Dialing and Signaling Tones: North American Call Progress Tones (CPTs) | Go-WWW | |
| Load Coils | Go-WWW | |
| Gyrator circuit | Go-WWW | |
| ||