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The application can send text messages, documents files, [16] voice notes, pictures, GIFs, [121] and video messages. The platform also supports group messaging. All communication sessions between Signal users are automatically end-to-end encrypted (the encryption keys are generated and stored on the devices, and not on servers). [122]
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 ...
The StingRay is an IMSI-catcher with both passive (digital analyzer) and active (cell-site simulator) capabilities. When operating in active mode, the device mimics a wireless carrier cell tower in order to force all nearby mobile phones and other cellular data devices to connect to it. [ 9][ 10][ 11] The StingRay family of devices can be ...
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 ...
Download Desktop Gold. AOL Desktop Gold is included at no additional cost with your membership. 2. Under 'All Products' scroll to 'AOL Desktop Gold'. If you have an AOL Desktop Gold trial or subscription. Using the link in the Official AOL signup confirmation email you received. 1.
Optical character recognition or optical character reader ( OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and billboards in a landscape photo) or from subtitle text ...
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 ...
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 ...