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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.
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.
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 ...
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.
In telecommunications, the term interposition trunk has the following meanings: 1. A single direct communication channel , e.g., voice-frequency circuit , between two positions of a large switchboard to facilitate the interconnection of other circuits appearing at the respective switchboard positions.
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.
A trunking gateway, also known as a PSTN gateway, is an interface between Voice over Internet Protocol (VoIP) and Public switched telephone network (PSTN). The gateway connects the VoIP line and PSTN line so that an end user can use PSTN phones to make a call over the Internet with VoIP.
A tie line, also known as a tie trunk, is a telecommunication circuit between two telephone exchanges or two extensions of a private telephone system. [1] [2] See also