Description
A mobile , telephone , telephone , cellphone or hand phone, sometimes shortened to easily mobile, cell or simply phone, may be a portable telephone which will make and receive calls over a frequency link while the user is moving within a telephone company area. The frequency link establishes a connection to the switching systems of a mobile operator, which provides access to the general public switched telephone network (PSTN). Modern mobile telephone services use a cellular specification and, therefore, mobile telephones are called cellular telephones or cell phones in North America. additionally to telephony, digital mobile phones (2G) support a spread of other services, like text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, video games and photography . Mobile phones offering only those capabilities are mentioned as feature phones; mobile phones which supply greatly advanced computing capabilities are referred to as smartphones.
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