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Voice encryption (SRTP with SDES or ZRTP) and signaling encryption , multiple realms authentication mechanism No limit Blockchain ID-management, Gnome-KDE client, address book, multiple accounts, unlimited call number, call transfer, call hold-unhold, call recording, multi-way conferencing
Cellular talk time/minutes are not used after switching from a voice call to a FaceTime call. FaceTime calls can be placed from supported devices to any phone number or email address that is registered to the FaceTime service. A single email address can be registered to multiple devices and a call placed to that address rings all devices ...
Comparison of user features of messaging platforms refers to a comparison of all the various user features of various electronic instant messaging platforms. This includes a wide variety of resources; it includes standalone apps, platforms within websites, computer software, and various internal functions available on specific devices, such as iMessage for iPhones.
The following is a comparison of instant messaging protocols. It contains basic general information about the protocols. ... channel or conference support Audio/VoIP ...
Unlike the phone-based model, user accounts on a multi-device model are not tied to a single device, and logins are allowed on multiple devices. Messaging services with a multi-device model are able to eliminate feature disparity and provide identical functionality on both mobile and desktop clients.
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).
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