Push notifications aren't perfectly real-time, you can often have a delay of up to a few minutes, which is too long for a connect signal. However, as it's pret

Push notifications aren't perfectly real-time, you can often have a delay of up to a few minutes, which is too long for a connect signal. However, as it's pretty much free to call on Skype, a notification that someone has tried to call you, and do you want to call them back, would be completely feasible with the current technology. I can only imagine that Skype are gearing up to do exactly this in their iPhone app...