http://payphones.telesfor.org/ 2026-04-29T19:38:29+00:00 http://payphones.telesfor.org/ http://payphones.telesfor.org/lib/exe/fetch.php?media=logo.png text/html 2025-09-01T04:35:30+00:00 Anonymous (anonymous@undisclosed.example.com) http://payphones.telesfor.org/doku.php?id=smart:elcotel&rev=1756701330&do=diff Elcotel Elcotel 5 Elcotel 5 was introduced in April 1989. It needs a 6V lead or NiCad battery to operate, slowly charged from the phone line only when off-hook. Settings and rates are stored in the non-volatile memory (8kB EEPROM) and will never be lost even if battery is drained. text/html 2024-04-05T19:00:00+00:00 Anonymous (anonymous@undisclosed.example.com) http://payphones.telesfor.org/doku.php?id=smart:millennium&rev=1712343600&do=diff Nortel Millennium The Millennium line was introduced in the mid 1990s and allowed the use of coins (5, 10, 25 cents and 1 dollar for Canadian versions) and cards (credit card or phone cards as well as “smart” chip cards.) They were equipped with an advanced electronic coin validator, which could detect slugs or coin blockages. The phones themselves are quite complex, using a Zilog Z180 processor with a number of peripherals attached. The whole point of the Millennium system was security and adv… text/html 2024-04-05T19:00:00+00:00 Anonymous (anonymous@undisclosed.example.com) http://payphones.telesfor.org/doku.php?id=smart:misc&rev=1712343600&do=diff [Troubleshooting electrical issues] - notes mostly for Elcotel & Protel, unknown author [North Atlantic Inc. Product Catalog, 2006] - payphones and parts, interesting drawings and tech details text/html 2025-06-26T03:10:30+00:00 Anonymous (anonymous@undisclosed.example.com) http://payphones.telesfor.org/doku.php?id=smart:protel&rev=1750907430&do=diff Protel Below are just a few of the boards made by Protel over the years. Most recommended are 2000/7000 (GTE/Quadrum style housing) or 8000 (Western retro-fit), however most of other boards will do the job. Model CTR-201 It is a very old Protel board, with old phone voice and no modem, which means all programming must be done at the phone.