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  2. iMessage - Wikipedia

    en.wikipedia.org/wiki/IMessage

    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 ...

  3. iPhone - Wikipedia

    en.wikipedia.org/wiki/IPhone

    The iPhone is a smartphone produced by Apple that uses Apple's own iOS mobile operating system. The first-generation iPhone was announced by then–Apple CEO Steve Jobs on January 9, 2007. Since then, Apple has annually released new iPhone models and iOS updates. As of November 1, 2018, more than 2.2 billion iPhones had been sold.

  4. Text messaging - Wikipedia

    en.wikipedia.org/wiki/Text_messaging

    The word "lol" sent via iMessage. 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 ...

  5. List of iPhone models - Wikipedia

    en.wikipedia.org/wiki/List_of_iPhone_models

    The backs of an iPhone 6, an iPhone 7, an iPhone 8, and an iPhone SE (3rd generation) The iPhone, developed by Apple Inc., is a line of smartphones that combine a mobile phone, digital camera, personal computer, and music player into one device. Introduced by then-CEO Steve Jobs on January 9, 2007, the iPhone revolutionized the mobile phone ...

  6. Voice over LTE - Wikipedia

    en.wikipedia.org/wiki/Voice_over_LTE

    Voice over Long-Term Evolution ( acronym VoLTE) is an LTE high-speed wireless communication standard for voice calls and SMS using mobile phones and data terminals. [1] [2] VoLTE has up to three times more voice and data capacity than older 3G UMTS and up to six times more than 2G GSM. It uses less bandwidth because VoLTE's packet headers are ...

  7. Telephone keypad - Wikipedia

    en.wikipedia.org/wiki/Telephone_keypad

    A telephone keypad using the ITU E.161 standard. A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s that replaced ...

  8. iPod - Wikipedia

    en.wikipedia.org/wiki/IPod

    The iPod is a discontinued series of portable media players and multi-purpose mobile devices designed and marketed by Apple Inc. [2] [3] The first version was released on November 10, 2001, about 8+1⁄2 months after the Macintosh version of iTunes was released. Apple sold an estimated 450 million iPod products as of 2022.

  9. Voicemail - Wikipedia

    en.wikipedia.org/wiki/Voicemail

    Voicemail. A voicemail system (also known as voice message or voice bank) is a computer-based system that allows people to leave a recorded message when the recipient is unable to answer the phone. The caller is prompted to leave a message and the recipient can retrieve said message at a later time. Voicemail can be used for personal calls and ...