3 ms·

I'd be surprised if there are many phones that still use it, but I'd be equally unsurprised if there weren't a lot of embedded devices (utility substations, gas

I'd be surprised if there are many phones that still use it, but I'd be equally unsurprised if there weren't a lot of embedded devices (utility substations, gas/electricity meters, security systems, traffic light controllers, etc.) that still use GPRS modems to phone home to monitoring systems. Its simple, lightweight, and supports PPP (for devices that use serial comms) and X.25 as well as IP.

tinus_hn 5y ago
I presume phones just use what the network tells them to use.
- simias 5y ago
  Even then, I'd expect (perhaps naively) that the vast majority of smartphone data transmissions these days are done on top of HTTPS, so breaking the first layer would only get you so far.
  - tinus_hn 5y ago
    That’s true, except for conversations and SMS
    - simias 5y ago
      Aah, I assumed that this used a different protocol. Then yeah, it's pretty bad.