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switched telecommunication system

См. также в других словарях:

  • Telecommunication — A parabolic satellite communication antenna at the biggest facility for satellite communication in Raisting, Bavaria, Germany …   Wikipedia

  • telecommunication — [tel΄ə kə myo͞o΄ni kā′shən] n. [also pl., with sing. or pl. v.] communication by electronic or electric means, as through radio, telephone, telegraph, television, or computers * * * tel·e·com·mu·ni·ca·tion (tĕlʹĭ kə myo͞o nĭ kāʹshən) n. 1. The… …   Universalium

  • Global System for Mobile Communication — Das Global System for Mobile Communications (früher Groupe Spécial Mobile, GSM) ist ein Standard für volldigitale Mobilfunknetze, der hauptsächlich für Telefonie, aber auch für leitungsvermittelte und paketvermittelte Datenübertragung sowie… …   Deutsch Wikipedia

  • Packet switched network — A Packet Switched Network, or PSN, refers to the packet switched networks that existed before the Internet. The history of such networks can be divided into three eras:early networks before the introduction of X.25 and OSI,the X.25 era when many… …   Wikipedia

  • History of telecommunication — The history of telecommunication began with the use of smoke signals and drums in Africa, the Americas and parts of Asia. In the 1790s the first fixed semaphore systems emerged in Europe however it was not until the 1830s that electrical… …   Wikipedia

  • Communications system — Communication system In telecommunication, a communications system is a collection of individual communications networks, transmission systems, relay stations, tributary stations, and data terminal equipment (DTE) usually capable of… …   Wikipedia

  • Mutual Broadcasting System — Type Cooperative radio network (1934–52); corporate controlled radio network (1952–99) …   Wikipedia

  • National Communications System — NCS seal The National Communications System (NCS) is an office within the United States Department of Homeland Security charged with enabling national security and emergency preparedness communications (NS/EP telecommunications) using the… …   Wikipedia

  • Circuit Switched Data — (CSD) is the original form of data transmission developed for the time division multiple access (TDMA) based mobile phone systems like Global System for Mobile Communications (GSM). CSD uses a single radio time slot to deliver 9.6 kbit/s data… …   Wikipedia

  • Circuit Switched Data — (CSD)  технология передачи данных, разработанная для мобильных телефонов стандарта GSM. CSD использует один временной интервал для передачи данных на скорости 9,6 кбит/с в подсистему сети и коммутации (Network and Switching Subsystem NSS),… …   Википедия

  • Grandfathered system — Grandfathered systems: Telecommunication systems that include, but not limited to:(a) PBX and key telephone systems, directly connected to the public switched telephone network on June 1, 1978, that may remain permanently connected thereto… …   Wikipedia

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