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  2. Messenger (software) - Wikipedia

    en.wikipedia.org/wiki/Messenger_(software)

    Messenger, [11] also known as Facebook Messenger, is an American proprietary instant messaging service developed by Meta Platforms.Originally developed as Facebook Chat in 2008, the client application of Messenger is currently available on iOS and Android mobile platforms, Windows and macOS desktop platforms, through the Messenger.com web application, and on the standalone Facebook Portal ...

  3. Imo.im - Wikipedia

    en.wikipedia.org/wiki/Imo.im

    imo is a proprietary audio/video calling and instant messaging software service. [1] [2] It allows sending music, video, PDFs and other files, along with various free stickers.[3] [4] It supports encrypted group video and voice calls with up to 20 participants.

  4. Google Meet - Wikipedia

    en.wikipedia.org/wiki/Google_Meet

    Free Meet calls can only have a single host and up to 100 participants, compared to the 250-caller limit for Google Workspace users [44] [34] and the 25-participant limit for Hangouts. [45] Unlike business calls with Meet, consumer calls are not recorded and stored, and Google states that consumer data from Meet will not be used for ...

  5. Signal (software) - Wikipedia

    en.wikipedia.org/wiki/Signal_(software)

    OWS transitions Signal's calling system from RedPhone to WebRTC and adds the ability to make video calls with the mobile apps. [44] [45] Feb 2018: Moxie Marlinspike and Brian Acton launch the Signal Foundation with an initial $50 million in funding from Acton, who had left WhatsApp's parent company Facebook in September 2017. [46] [47] Nov 2019 ...

  6. WhatsApp - Wikipedia

    en.wikipedia.org/wiki/WhatsApp

    WhatsApp (officially WhatsApp Messenger) is an instant messaging (IM) and voice-over-IP (VoIP) service owned by technology conglomerate Meta. [14] It allows users to send text, voice messages and video messages, [15] make voice and video calls, and share images, documents, user locations, and other content.

  7. List of Facebook features - Wikipedia

    en.wikipedia.org/wiki/List_of_Facebook_features

    Facebook also said it was supporting an emerging encapsulation mechanism known as Locator/Identifier Separation Protocol (LISP), which separates Internet addresses from endpoint identifiers to improve the scalability of IPv6 deployments. "Facebook was the first major Web site on LISP (v4 and v6)", Facebook engineers said during their presentation.

  8. Videotelephony - Wikipedia

    en.wikipedia.org/wiki/Videotelephony

    Videotelephony (also known as videoconferencing or video calling) is the use of audio and video for simultaneous two-way communication. [1] Today, videotelephony is widespread. There are many terms to refer to videotelephony. Videophones are standalone devices for video calling (compare Telephone).

  9. Comparison of cross-platform instant messaging clients

    en.wikipedia.org/wiki/Comparison_of_cross...

    For some features: secret chats, [116] voice and video calls, [117] and voice chats in groups [117] No No No Tencent QQ: No [118] [119] No No No No Threema: No A valid phone number or email address is not required for registration & login. However, the mobile app serves as the primary device, due to the end-to-end encryption architecture. [120 ...