John Case wrote:
I was saying that pursuing calypso was a dead end.
I disagree.
There are still quite a few people in the world who can learn about low-level details of 2G cell phone networks, and that is valuable.
I think your approach to stay with a non-cell phone device is admirable, but in practise it's not nearly as convenient and so it doesn't scale. It might be good enough for some, but in any case it can't really be called a cell phone.
//Peter