A Mobile Phone, known as a cell phone in North America . A Mobile Phone is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area. The radio frequency link establishes a connection to the switching systems of a Mobile Phone operator, which provides access to the public switched telephone network (PSTN). Modern mobile telephone services use a cellular network architecture, and, therefore, Mobile telephones are called cellular telephones or cell phones, in North America. In addition to telephony, 2000s-era Mobile Phone support a variety of other services, such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, video games, Helping app and digital photography. Mobile Phone offering only those capabilities are known as feature phones; Mobile Phone which offer greatly advanced computing capabilities are referred to as smartphones.
