--- title: The Magnum Opus of Payphones | daily.dev description: A payphone enthusiast at Phone Con showcases two vintage payphones, including a Nortel Millenia — described as the pinnacle of payphone design. The Millenia... canonical: https://daily.dev/posts/the-magnum-opus-of-payphones-bzdwha1gp twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: The Magnum Opus of Payphones | daily.dev og:description: A payphone enthusiast at Phone Con showcases two vintage payphones, including a Nortel Millenia — described as the pinnacle of payphone design. The Millenia... og:url: https://daily.dev/posts/the-magnum-opus-of-payphones-bzdwha1gp og:image: https://api.daily.dev/og/posts/BZdwHA1GP.png og:image:alt: The Magnum Opus of Payphones og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # The Magnum Opus of Payphones **[The Serial Port](https://daily.dev/sources/theserialport)** · 1 min read · 0 upvotes · 0 comments ## Summary A payphone enthusiast at Phone Con showcases two vintage payphones, including a Nortel Millenia — described as the pinnacle of payphone design. The Millenia featured a Z80 processor, sensors for vault doors, a credit card and smart card reader, optional TTY keyboard, and a digital readout, making it essentially a computer in a phone. The presenter shares his passion for disassembling and understanding how these machines work rather than using them for calls. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Old Payphones Get Modern VoIP Upgrade](https://daily.dev/posts/old-payphones-get-modern-voip-upgrade-jevgfz4go) · Hacker News · 0 upvotes · 0 comments - [No More Paperweight: This Vintage Brick Phone Is Back Online](https://daily.dev/posts/no-more-paperweight-this-vintage-brick-phone-is-back-online-8jswnyt8s) · Hackaday · 0 upvotes · 0 comments - [1983 Northern Telecom Commodore Phone](https://daily.dev/posts/1983-northern-telecom-commodore-phone-pcgskezzr) · Two Stop Bits · 0 upvotes · 0 comments - [My Homemade PBX](https://daily.dev/posts/my-homemade-pbx-9sxxyn7nu) · Lobsters · 0 upvotes · 0 comments --- Tags: [#hardware](https://daily.dev/tags/hardware) [View this post on daily.dev](https://daily.dev/posts/the-magnum-opus-of-payphones-bzdwha1gp) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"The Magnum Opus of Payphones","url":"https://daily.dev/posts/the-magnum-opus-of-payphones-bzdwha1gp","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/the-magnum-opus-of-payphones-bzdwha1gp"},"datePublished":"2026-08-01T19:46:11.213Z","dateModified":"2026-08-01T19:46:28.054Z","description":"A payphone enthusiast at Phone Con showcases two vintage payphones, including a Nortel Millenia — described as the pinnacle of payphone design. 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