The iPhone is a smart phone created by Apple with the keypad replaced by a tactile screen covering its entire surface.
The iPhone measures 61 x 115 mm, weighs 135 g, and has a 3.5" (8,9 cm) 160 dpi touch screen. It offers a standard resolution of 320 x 480 px, and a 2 megapixel digital camera. Onboard technologies are a mobile GSM quadriband + EDGE (850, 900, 1800, 1900 Mhz), with Wi-Fi 802.11 b/g support and Bluetooth 2.0. In spite of all this, Apple claims autonomy of 5 hours conversation or Wi-Fi/video and 16 hours audio playback.
There is also a range of cordless VoIP (voice over internet protocol) telephones marketed by Linksys since 18th December 2006.