cpr and swernli are correct: Skype can "listen" for incoming calls. This is demoed by Skype's head of product development, David Ponsford around 00:22:20 in th

cpr and swernli are correct: Skype can "listen" for incoming calls. This is demoed by Skype's head of product development, David Ponsford around 00:22:20 in the video of the iPhone OS 4 Event: http://events.apple.com.edgesuite.net/1004fk8d5gt/event/ http://events.apple.com.edgesuite.net/1004fk8d5gt/event/ (I personally found most of the event rather interesting, if you have about an hour to spare.)