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A satellite phone is a type of mobile phone that connects to other phones or the telephone network by radio link through satellites orbiting the Earth instead of terrestrial cell sites, as cellphones do. Therefore, they can work in most geographic locations on the Earth's surface, as long as open sky and the line-of-sight between the phone and ...
International Mobile Equipment Identity. The International Mobile Equipment Identity ( IMEI) [ 1] is a numeric identifier, usually unique, [ 2][ 3] for 3GPP and iDEN mobile phones, as well as some satellite phones. It is usually found printed inside the battery compartment of the phone but can also be displayed on-screen on most phones by ...
iMessage is an instant messaging service developed by Apple Inc. and launched in 2011. iMessage functions exclusively on Apple platforms – including iOS, iPadOS, macOS, watchOS, and visionOS – as part of Apple's approach to inter-device integration, which has been described by media outlets as a means of achieving vendor lock-in. [ 1][ 2 ...
The specific GA and SK keys allow for speedier use of common abbreviations. A telecommunications device for the deaf ( TDD) is a teleprinter, an electronic device for text communication over a telephone line, that is designed for use by persons with hearing or speech difficulties. Other names for the device include teletypewriter ( TTY ...
Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile phones, desktops / laptops, or another type of compatible computer. Text messages may be sent over a cellular network or may also be sent via satellite or Internet ...
An international mobile subscriber identity-catcher, or IMSI-catcher, is a telephone eavesdropping device used for intercepting mobile phone traffic and tracking location data of mobile phone users. [ 1] Essentially a "fake" mobile tower acting between the target mobile phone and the service provider's real towers, it is considered a man-in-the ...
Multimedia Messaging Service ( MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network. Users and providers may refer to such a message as a PXT, a picture message, or a multimedia message. [ 1] The MMS standard extends the core SMS (Short Message Service) capability, allowing ...
Diphone. In phonetics, a diphone is an adjacent pair of phones in an utterance. For example, in [daɪfəʊn], the diphones are [da], [aɪ], [ɪf], [fə], [əʊ], [ʊn]. The term is usually used to refer to a recording of the transition between two phones.