Quick Link: iOS Device Network Sniffing

Any time I need to see everything your iOS device is doing this website lists the commands you need to call to get it working:

http://useyourloaf.com/blog/2012/02/07/remote-packet-capture-for-ios-devices.html

Of course secure communications are still encrypted but you do see that something is happening, and you get all protocols (not just http/https like charles).