AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
3min chapter
Phone Tones: The hidden language of phone number beeps
Twenty Thousand Hertz
The Key to Hacking the Phone System
The key to hacking the phone system was reproducing a tone of 2,600 Hz. The freaks could trick a remote switching machine into thinking the call had been disconnected. From there, they could make long distance calls and disguise themselves as toll-free numbers or directory assistance. Unfortunately, technological advancements didn't translate to higher quality calls.
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