MOBILE PHONE : CELL PHONE
The mobile phone or mobile, also called a wireless, cellular phone, cell phone (AKA: cellphone), cell or hand phone (HP),[1] is a long-range, portable electronic device used for mobile communication that uses a network of specialized base stations known as cell sites. In addition to the standard voice function of a telephone, current mobile phones can support many additional services, and accessories, such as SMS for text messaging, email, packet switching for access to the Internet, and MMS for sending and receiving photos and video. Most current mobile phones connect to a cellular network of base stations (cell sites), which is in turn interconnected to the public switched telephone network (PSTN) (the exception is satellite phones).

Nokia is currently the world's largest manufacturer of mobile phones, with a global device market share of approximately 40% in Q4 of 2007. Other major mobile phone manufacturers (in order of Market share) include Samsung (14%), Motorola (12%), Sony ericsson (9%) and LG Mobile (7%). [5] These manufacturers account for over 80% of all mobile phones sold and produce phones for sale in most countries.Other manufacturers include Apple Inc., Audiovox (now UTStarcom), Benefon, BenQ-Siemens, High Tech Computer Corporation (HTC), Fujitsu, Kyocera, Mitsubishi Electric, NEC, Neonode, Panasonic (Matsushita Electric), Pantech Curitel, Philips, Research In Motion, Sagem, Sanyo, Sharp, Siemens, Sierra Wireless, SK Teletech, Sonim Technologies, T&A Alcatel, and Toshiba. There are also specialist communication systems related to (but distinct from) mobile phones.(1)

Source (1) Wkipedia

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