I think actually fring blocked it. Because it overloaded their servers... I'm sure that's the reason skype is waiting just don't want a terrible user experience....like fring.
fring can do this, i read the article on aneesoft about the iphone apps, and seems that fring can do this, there is also says sth about tethering iphone and ipad with iwork, have anybody tried this, i read the article on that site and want to give it a try.