MacRumors.com

Apple Computer seems to have registered for a trademark (#930990) in Australia for the name of "iPhone":

Class: 9 Computer hardware and software

Class: 38 Communication by computer; communication between computers; rental and rental of communication apparatus and electronic post fans for personal use; electronic news services; electronic sending of data and stands on Internet or other data bank; supply of data and news by electronic sending; obtaining of access for electronic news services relating to here by shop of information and data on the Internet

Class: 42 Computer services; development and sale of media for use in computer networks, cable in bulk networks and worldwide communication networks; web site hosting; woven -site- hosting; software leasing; advisory services relating to computers, software electronics, telecommunication, security and -authentisierung-; enable of information, computer networks, cable in bulk networks and worldwide communication networks; advisory services and computer technical support services, computer networks, software and computer operated stands management and -workgroup-assembly on computer networks and worldwide communication networks; enable of software updating by computer networks and worldwide - komunikationsnetzwerke-; enable of on line magazine in area of computers and computer software

The iPhone.org domain has been registered by Apple for years... spawning much speculation. But other unused domains - such as iKids.com, Mammals.org and MacMate.com have also pointed to Apple's site for years.

Owner details are limited to simply "Apple Computer, Inc" from Australia's Trademark search -- no names/addresses to verify the identity.

Steve Jobs has previously downplayed the likelyhood of a future Apple PDA, but has pointed towards cellphone integration being the future.