Analog Telephone Information
Analog phonesMany VOIP systems (e.g. Asterisk) support ordinary analog telephones. This page is a collection of information about analog phone technology
- Bowden's Telephone project circuits
- Directory of links to telephone circuits
- Discover Circuits - Telephone Excellent list of URLs to telephone related circuits.
- Inside the Phone Wiring - explains how phones are wired internally — applies mostly to older analog phones.
- PSTN and POTS fundamentals Training, video/DVD courses, free online tutorials on telephony, digitization, related topics
- Techlib Telephone circuits
- Telephone circuits and projects
- Telephone circuits/projects
- Telephone Projects with circuit diagrams
- Tomi Engdahl designed Telephone Circuits with detailed explanations
Door PhonesThis is now on the page Asterisk phone door.
Rotary Dial to DTMF converters
- Addressed on separate page Dial Pulse to Touchtone DTMF Converters
Phone Tools and Equipment
- http://www.cordless4u.com/ - Cordless Telephone line transfer up to 100km
- http://www.jechtech.com/ - Telephone line simulators
- http://www.safetalks.net/ - Telephone scramblers
- http://www.sandman.com/ - Telecom tools and door phones, and more
- http://www.cordless4u.com/ - Long Range phones and Telecom tools
- Telephone Tribute extensive collection of historical and technical information on the telephone industry
- Telephones UK
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