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It was used by AOL's AIM instant messaging system and ICQ. Despite its name, the specifications for the protocol remain proprietary. AOL has gone to great lengths to keep competitors (namely Microsoft , XMPP , and Cerulean Studios) from implementing compatible clients for their proprietary messaging systems.
The technology was initially developed by Goldman Sachs as an internal messaging system called Live Current. [1] In October 2014, Goldman Sachs and 14 other financial institutions invested $66 million to establish Symphony Communication Services LLC [2] and acquire Perzo, Inc., [3] a secure communication application known for its end-to-end encryption messaging.
Messaging services can operate around different models, based on security and accessibility considerations. [154] A mobile-focused, phone number-based model operates on the concept of primary and secondary devices. Examples of such messaging services include: WhatsApp, Viber, Line, WeChat, Signal, etc. The primary device is a mobile phone and ...
Instant messaging systems facilitate connections between specified known users [1] (often using a contact list also known as a "buddy list" or "friend list") or in chat rooms, and can be standalone apps or integrated into a wider social media platform, or in a website where it can, for instance, be used for conversational commerce.
Note that an Enterprise Messaging System should not be confused with an electronic mail system used for delivering human readable text messages to individual people. An example of a specific application programming interface (API) that implements an enterprise messaging system is the Java Message Service. Although this is an API it embodies ...
IRC (Internet Relay Chat) is a text-based chat system for instant messaging. IRC is designed for group communication in discussion forums, called channels , [ 1 ] but also allows one-on-one communication via private messages [ 2 ] as well as chat and data transfer , [ 3 ] including file sharing .
Issabel is based upon open-source versions of Elastix, Asterisk, FreePBX, HylaFAX, Openfire and Postfix and provides PBX, fax, instant messaging and e-mail server functionality. Issabel is open-source software licensed under the GNU General Public License.
XMPP has often been regarded as a competitor to SIMPLE, based on Session Initiation Protocol (SIP), as the standard protocol for instant messaging and presence notification. [53] [54] The XMPP extension for multi-user chat [39] can be seen as a competitor to IRC, although IRC is far simpler, has far fewer features, and is far more widely used.