online dictionaries of abbreviations

A C D E F G H I M N O P R S T U V W X
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EDGE
(Enhanced Data rates for GSM Evolution) A digital mobile phone technology which acts as a bolt-on enhancement to 2G and 2.5G General Packet Radio Service (GPRS) networks. That's why EDGE is More…
ENUM
(Electronic Numbering, E164 NUmber Mapping) A suite of protocols to unify the telephone system with the Internet by using E.164 addresses with DDDS and DNS. ENUM is not required to More…
FOSS
(Free and open-source software) Computer software that anyone is freely licensed to use, copy, study, and change the software in any way, and the source code is openly shared so that people More…
FTP
(File Transfer Protocol) A commonly used protocol for exchanging files over any network that supports the TCP/IP protocol (such as the Internet or an intranet). Virtually every computer More…
FXO
(Foreign Exchange Office) A telephone interface that receives POTS, or Plain old telephone service. It generates the on-hook and off-hook indicators used to signal a loop closure at the More…
FXS
(Foreign Exchange Station) A telephone interface which provides battery power, sends dialtone, and generates ringing voltage. A standard telephone plugs into such an interface to receive More…
GFDL
(GNU Free Documentation License) A copyleft license for free content, designed by the Free Software Foundation (FSF) for the GNU project. It is the open content counterpart to the GNU GPL. More…
GPRS
(General Packet Radio Service) A mobile data service available to users of GSM mobile phones. It is often described as "2.5G", that is, a technology between the second (2G) and third (3G) More…
GSM
(Global System for Mobile Communications) The most popular standard for mobile phones in the world. GSM service is used by over 1.5 billion people across more than 210 countries and More…
GUI
(Graphical User Interface) A way of interacting with computers of other electronic devices through graphical icons and visual indicators such as secondary notation, as opposed to text-based More…
HTML
(HyperText Markup Language) The main modern system for annotating a document text for creating web pages and other information that can be displayed in a web browser. See also: XHTML, More…
HTML5
(HyperText Markup Language 5) The fifth revision of the HTML standard (created in 1990 and standardized as HTML 4 as of 1997) and, as of December 2012, is a candidate recommendation of the More…
IMS
(IP Multimedia Subsystem) A standardised Next Generation Networking (NGN) architecture for telecom operators that want to provide mobile and fixed multimedia services. It uses a More…
IPv6
(Internet Protocol version 6) A network layer standard used by electronic devices to exchange data across a packet-switched internetwork. It follows IPv4 as the second version of the More…
IVR
(Interactive Voice Response) A computerised system that allows a person, typically a telephone caller, to select an option from a voice menu and otherwise interface with a computer system. More…
MID
(Mobile Internet Device) A portable mobile device that enables wireless Internet access. An MID is larger than a smartphone (usually more than 5-in screen size) but smaller than a full-size More…
MIME
(Multipurpose Internet Mail Extensions) An Internet Standard for the format of e-mail. Virtually all Internet e-mail is transmitted via SMTP in MIME format. Internet e-mail is so closely More…
MPLS
(Multiprotocol Label Switching) A data-carrying mechanism, operating at Layer3 below and in parallel to IP. It was designed to provide a unified data-carrying service for both circuit-based More…
MVNO
(Mobile Virtual Network Operator) A company that does not own a licensed frequency spectrum, but resells wireless services under their own brand name, using the network of another mobile More…
MX
(Mail eXchange) Usually used as MX record which is a type of resource record in the Domain Name System (DNS) specifying how Internet e-mail should be routed. MX records point to the servers More…
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