Great talk by @entropix about getting an old rotary dial phone to work over 4/5G: https://media.ccc.de/v/39c3-fetap-611-unplugged-taking-a-rotary-dial-phone-to-the-mobile-age
Edit: added picture due to lack of OG
Great talk by @entropix about getting an old rotary dial phone to work over 4/5G: https://media.ccc.de/v/39c3-fetap-611-unplugged-taking-a-rotary-dial-phone-to-the-mobile-age
Edit: added picture due to lack of OG
