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Trunking in telecommunication originated in telegraphy, and later in telephone systems where a trunk line is a communications channel between telephone exchanges. Other applications include the trunked radio systems commonly used by police agencies.
NXDN Common Air Interface (CAI) was accepted at the meeting of the ITU-R (International Telecommunication Union Radiocommunications Sector) held in November 2016 and it has been added to Report M.2014-3, published in February 2017. It is an open, multi-vendor protocol widely adopted in mission-critical applications in Japan, USA and mainland ...
MOROP (the European federation of national model railway associations) is a European organisation which publishes NEM-standards. NEM-standards are used by model railway industry and hobbyists in Europe. The standards are published in French and German and both versions have an official status.
Schematic representation of the tree topology of retail distribution networks. The "last mile" links are represented by the fine lines at the bottom. The increasing worldwide demand for rapid, low-latency and high-volume communication of information to homes and businesses has made economical information distribution and delivery increasingly important.
TETRA is a European Telecommunications Standards Institute (ETSI) standard, [4] first version published 1995; it is mentioned by the European Radiocommunications Committee (ERC). [ 5 ] Description
Channel-associated signaling (CAS), also known as per-trunk signaling (PTS), is a form of digital communication signaling.As with most telecommunication signaling methods, it uses routing information to direct the payload of voice or data to its destination.
Trunking trunkline, a main telecommunications link such as a phone line directly connecting exchanges or switchboards at a considerable distance apart; A main transportation link such as: A main line (railway) The rail line on Norway Trunk Line; A component of the Michigan State Trunkline Highway System
The RU, which converts the digital trunk back to two analogue trunks. The RUs are usually to be found within a few hundred metres of the subscribers' homes or businesses (either up a pole or in a manhole), unless both lines belong to the same subscriber, where the RU (internal) could be on the subscriber's premises.