Did you know that you can actually use phones without SIM cards? In some cases you don't even need an actual phone to make calls. You don't need to completely disconnect from the phone network but yet you can wipe yourself from the grid while still keeping a long term phone number. How do you that? We'll be explaining all of that in this video.

00:00 Intro

01:20 Structure of the PSTN

06:21 How it Works

10:59 Advantages of No-SIM Card

15:27 Options for Getting Internet Access