4 ms·
You already can't run modems over the phone network anymore. Modern noise reduction algorithms helpfully remove as much modem data as they can.
by kuschku 3y ago
You already can't run modems over the phone network anymore. Modern noise reduction algorithms helpfully remove as much modem data as they can.
- gary_0 3y agoNow I kind of want to build one just for the challenge. Analyze what frequencies can get through, and reverse engineer the phone company's codec so I can send a pirate signal, like a phreaker of old. Fun fact: You can no longer do such a project in software on stock Android. They locked down the voice audio API.