AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
5min chapter
Phone Tones: The hidden language of phone number beeps
Twenty Thousand Hertz
Introduction
The sound of a number being dialed on a telephone is instantly recognizable. Nowadays, how often do you really hear those sounds? At the time in the early 1900s, late 1800s, the United States was largely a grarian, rural country. AT&T struck a deal with the federal government to provide phone service throughout all of the U.S., Canada and Mexico.
00:00
Transcript
Episode notes
Get the Snipd
podcast app
Unlock the knowledge in podcasts with the podcast player of the future.
AI-powered
Discover
highlights
Listen to the best highlights from the podcasts you love and dive into the full episode
Save any
moment
Hear something you like? Tap your headphones to save it with AI-generated key takeaways
Share
& Export
Send highlights to Twitter, WhatsApp or export them to Notion, Readwise & more
AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
Discover
highlights
Listen to the best highlights from the podcasts you love and dive into the full episode