That's not correct. 1 is the closest to the stop on a UK rotary phone. You can see photos and videos of the diallers on my blog post https://shkspr.mobi/blog/2

That's not correct. 1 is the closest to the stop on a UK rotary phone. You can see photos and videos of the diallers on my blog post https://shkspr.mobi/blog/2020/08/why-didnt-phonewords-take-off-in-the-uk/ https://shkspr.mobi/blog/2020/08/why-didnt-phonewords-take-o... 9 is almost the furthest away from the stop - 0 is further. 999 was chosen because it was less likely that interference would generate the exact same sequence of pulses. https://web.archive.org/web/20090302014433/http://www.btplc.com/News/Articles/ShowArticle.cfm?ArticleID=6e55cb12-8c0c-417f-b68c-6a7f62b1d8c8 https://web.archive.org/web/20090302014433/http://www.btplc....