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  2. GSM - Wikipedia

    en.wikipedia.org/wiki/GSM

    The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation (2G) digital cellular networks used by mobile devices such as mobile phones and tablets. GSM is also a trade mark owned by the GSM Association. [2]

  3. GE-600 series - Wikipedia

    en.wikipedia.org/wiki/GE-600_series

    Honeywell 6000 series. The GE-600 series is a family of 36-bit mainframe computers originating in the 1960s, built by General Electric (GE). When GE left the mainframe business the line was sold to Honeywell, which built similar systems into the 1990s as the division moved to Groupe Bull and then NEC. The system is perhaps best known as the ...

  4. Voicemail - Wikipedia

    en.wikipedia.org/wiki/Voicemail

    Voicemail. A voicemail system (also known as voice message or voice bank) is a computer-based system that allows callers to leave a recorded message when the recipient has been unable or unwilling to answer the phone. Calls may be diverted to voicemail manually or automatically. The caller is prompted to leave a message and the recipient can ...

  5. Message Passing Interface - Wikipedia

    en.wikipedia.org/wiki/Message_Passing_Interface

    Message Passing Interface. The Message Passing Interface (MPI) is a standardized and portable message-passing standard designed to function on parallel computing architectures. [1] The MPI standard defines the syntax and semantics of library routines that are useful to a wide range of users writing portable message-passing programs in C, C++ ...

  6. GE Digital - Wikipedia

    en.wikipedia.org/wiki/GE_Digital

    GE Digital. GE Digital is a subsidiary of American energy conglomerate GE Vernova. Headquartered in San Ramon, California, the company provides software and industrial internet of things (IIoT) services to industrial companies. GE Digital's primary focus is to provide industrial software and services in four markets:

  7. IEC 61850 - Wikipedia

    en.wikipedia.org/wiki/IEC_61850

    IEC 61850 is an international standard defining communication protocols for intelligent electronic devices at electrical substations. It is a part of the International Electrotechnical Commission's (IEC) Technical Committee 57 reference architecture for electric power systems. [1] The abstract data models defined in IEC 61850 can be mapped to a ...

  8. Trunked radio system - Wikipedia

    en.wikipedia.org/wiki/Trunked_radio_system

    A trunked radio system is a two-way radio system that uses a control channel to automatically assign frequency channels to groups of user radios. In a traditional half-duplex land mobile radio system a group of users (a talkgroup) with mobile and portable two-way radios communicate over a single shared radio channel, with one user at a time ...

  9. EDACS - Wikipedia

    en.wikipedia.org/wiki/EDACS

    EDACS. The Enhanced Digital Access Communication System (EDACS) is a radio communications protocol and product family invented in the General Electric Corporation in the mid 1980s. The rights were eventually bought by Harris Corporation, which eventually stopped manufacturing these devices in 2012, and ended all service in 2017.