The multimedia and internet enabled quad-band GSM EDGE supported mobile phone called iPhone was launched on June 29, 2007 in the U.S. Coming from the home of Apple Inc.; iPhone functions include camera phone and portable media player in addition to the functions including text messaging and visual voicemail. It also offers functions e-mail, web browsing, and local Wi-Fi connectivity. It is possible for the users to do conferencing, call holding, call merging, caller ID, and integration with other cellular network features with the help of iPhones.

The Apple iPhone functions also include a Visual Voicemail feature that allows the users to view a list of current voicemail messages on-screen without making a call into their voicemail. It is possible to listen and delete messages in a non-chronological order by choosing it from an on-screen list. This function is absent in most of the phones. As per the latest ring tone introduced by Apple iPhone on September 5, 2007, it is possible for the users to create custom ringtones from their purchased iTunes music for a little additional fee, which is the same to the price of a song. The ringtones may range between 3 to 30 seconds in length of any part of a song, including fading in and out.

The Apple iPhone comes with a built in 2.0 megapixel camera located on the back that allows the user to upload, view, and e-mail photos. It assures the user of perfect pictures of excellent quality. Apple iPhone can play video, allowing the users to watch TV shows and films. The users can also purchase and download songs from the iTunes Store directly to their iPhone over Wi-fi.

The Apple iPhone has built-in Wi-fi that helps the user in accessing the World Wide Web. It also helps in connecting to the web through AT&T’s EDGE network, making it more sophisticated and technologically advanced.