Mobile phones

Mobile phones

Industry: Mobile communications

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Mobile phones

Dual-tone multifrequency (DTMF)

Mobile communications; Mobile phones

A method used by the telephone system to recognise the keys pressed when dialling. Pressing a key on the phone's keypad generates two simultaneous tones, which are decoded by the exchange to ...

Service area

Mobile communications; Mobile phones

The geographical area within which a network service provider offers mobile service for a mobile phone. See also Coverage area.

Dynamic memory

Mobile communications; Mobile phones

A memory that is shared between specified functions or applications. If one or two applications use all the capacity, there is no memory available for the others at that moment. For example, the ...

Service provider

Mobile communications; Mobile phones

A company that provides or hosts services or content either for end users or for other entities such as other service providers. A service provider provides, for example, mobile services for its ...

Short message service (SMS)

Mobile communications; Mobile phones

A service that lets the user send and receive messages of limited length. See also Messaging.

Simple mail transfer protocol (SMTP)

Mobile communications; Mobile phones

A protocol that is used to transfer e-mail messages. Usually SMTP is used only for sending.

Enhanced data rates for global evolution (EDGE)

Mobile communications; Mobile phones

A faster version of the GSM wireless service that delivers data at higher rates. EDGE enables faster high speed circuit switched data (HSCSD) and general packet radio service (GPRS) connections. It ...