[Wolves] How does push email work?

[Jon Farmer]

> I've been trying to work out today how smart phones such as the
> BlackBerry do push email. I know that it requires extra hardware in
> the mobile operator's data centre and their cooperation. Beyond that
> I'm stumped. Is it as simple as an SMS with a particular structure
> that gets intercepted by the phone's OS, or is there some deeper GSM
> magic going on?
> 
> I can't find the right keywords to get past the marketing material.

http://en.wikipedia.org/wiki/Push-IMAP