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The People's Republic of China possesses a diversified communications system that links all parts of the country by Internet, telephone, telegraph, radio, and television. The country is served by an extensive system of automatic telephone exchanges connected by modern networks of fiber-optic cable, coaxial cable, microwave radio relay, and a domestic satellite system; cellular telephone service is widely available, expanding rapidly, and includes roaming service to foreign countries. Fiber to the x infrastructure has been expanded rapidly in recent years.
Extensive telecommunications facilities exist in Switzerland. They include the telephone system, internet, and broadcast media.
The National Communications System (NCS) was an office within the United States Department of Homeland Security charged with enabling national security and emergency preparedness communications using the national telecommunications system. The NCS was disbanded by Executive Order 13618 on July 6, 2012.
In telecommunication, a telecommunications service is a service provided by a telecommunications provider, or a specified set of user-information transfer capabilities provided to a group of users by a telecommunications system.
The Defense Information Systems Agency (DISA), known as the Defense Communications Agency (DCA) until 1991, is a United States Department of Defense (DoD) combat support agency composed of military, federal civilians, and contractors. DISA provides information technology (IT) and communications support to the President, Vice President, Secretary of Defense, the military services, the combatant commands, and any individual or system contributing to the defense of the United States.
The National Telecommunications and Information Administration (NTIA) is an agency of the United States Department of Commerce that serves as the president's principal adviser on telecommunications policies pertaining to the United States' economic and technological advancement and to regulation of the telecommunications industry.
The telecommunications industries within the sector of information and communication technology is made up of all telecommunications/telephone companies and internet service providers and plays a crucial role in the evolution of mobile communications and the information society.
The Ministry of Internal Affairs and Communications is a cabinet-level ministry in the Government of Japan. Its English name was Ministry of Public Management, Home Affairs, Posts and Telecommunications (MPHPT) prior to 2004. It is housed in the 2nd Building of the Central Common Government Office at 2-1-2 Kasumigaseki in Chiyoda, Tokyo, Japan.
The Royal Australian Corps of Signals (RASigs) is one of the 'arms' of the Australian Army. It is responsible for installing, maintaining, and operating all types of telecommunications equipment and information systems. The motto of the Signals Corps is Certa Cito and is translated as 'Swift and Sure', signifying the aim of the signal service – that communication be carried out with maximum speed and certainty. Like their British counterparts, the Royal Australian Corps of Signals' flag and hat badge feature Mercury, the winged messenger of the gods, affectionately referred to by members of the corps as "Jimmy".
The Communications and Information Services Corps (CIS) – formerly the Army Corps of Signals – is one of the combat support corps of the Irish Defence Forces, the military of Ireland. It is responsible for the installation, maintenance and operation of communications and information systems for the command, control and administration of the Defence Forces, and the facilitation of accurate, real-time sharing of intelligence between the Army, Naval Service and Air Corps branches at home and overseas.
The National Telecommunications Commission is an attached agency of the Department of Information and Communications Technology responsible for the supervision, adjudication and control over all telecommunications services and radio and television networks throughout the Philippines.
Telecommunications engineering is a subfield of electronics engineering which seeks to design and devise systems of communication at a distance. The work ranges from basic circuit design to strategic mass developments. A telecommunication engineer is responsible for designing and overseeing the installation of telecommunications equipment and facilities, such as complex electronic switching system, and other plain old telephone service facilities, optical fiber cabling, IP networks, and microwave transmission systems. Telecommunications engineering also overlaps with broadcast engineering.
The Internet in Zimbabwe has seen rapid expansion in recent years. The Internet country code top-level domain is .zw. In 2009, the Mugabe-Tsvangirai Government of National Unity established a Ministry of Information and Communications Technology to focus on ICT growth and development.
Telecommunications in Taiwan comprise the following communication media, deployed in the Taiwan Area of the Republic of China and regulated by the National Communications Commission of the Executive Yuan.
The Communications Authority of Kenya (CA) is the independent regulatory agency for the ICT industry in Kenya with responsibilities in telecommunications, e-commerce, broadcasting,cyber security, and postal/courier services. The CA is also responsible for managing the country's numbering and frequency spectrum resources, administering the Universal Service Fund (USF) as well as safeguarding the interests of users of ICT services.
A call detail record (CDR) is a data record produced by a telephone exchange or other telecommunications equipment that documents the details of a telephone call or other telecommunications transactions that passes through that facility or device. The record contains various attributes of the call, such as time, duration, completion status, source number, and destination number. It is the automated equivalent of the paper toll tickets that were written and timed by operators for long-distance calls in a manual telephone exchange.
The Gibraltar Regulatory Authority (GRA) was established by the Gibraltar Regulatory Act in October 2000. The GRA is the statutory body in Gibraltar responsible for regulating electronic communications. This includes telecommunications, radio communications and broadcasting transmissions. The GRA serves as both the national supervisory and regulatory authority for these sectors. The supervision and regulation of these sectors is done in accordance with European Union law that has been rendered into national law.
The State Special Communications Service of Ukraine, also known as Derzhspetszv'yazku, is a specialized executive authority of which the key functions include the provision of secure government communications, government courier service, information protection and cyber defense.
Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information with an immediacy comparable to face-to-face communication. As such, slow communications technologies like postal mail and pneumatic tubes are excluded from the definition. Many transmission media have been used for telecommunications throughout history, from smoke signals, beacons, semaphore telegraphs, signal flags, and optical heliographs to wires and empty space made to carry electromagnetic signals. These paths of transmission may be divided into communication channels for multiplexing, allowing for a single medium to transmit several concurrent communication sessions. Several methods of long-distance communication before the modern era used sounds like coded drumbeats, the blowing of horns, and whistles. Long-distance technologies invented during the 20th and 21st centuries generally use electric power, and include the telegraph, telephone, television, and radio.
The Department of Information and Communications Technology (DICT) is the executive department of the Philippine government responsible for the planning, development and promotion of the country's information and communications technology (ICT) agenda in support of national development.
References
This article incorporates public domain material from Federal Standard 1037C. General Services Administration. Archived from the original on 2022-01-22.
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