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Common Technical Regulation (CTR). In
telecommunications Telecommunication is the transmission of information by various types of technologies over wire, radio, optical, or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than tha ...
, CTR refers to a rule governing the connection of terminal equipment to networks. CTRs are drawn up, under the provisions of the EU directive 98/13/EC by the
Telecommunications research and action center Telecommunication is the transmission of information by various types of technologies over wire, radio, optical, or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than that fe ...
(TRAC) and European Telecommunications Standards Institute (ETSI), at the request of ACTE, which is chaired by the
European Commission The European Commission (EC) is the executive of the European Union (EU). It operates as a cabinet government, with 27 members of the Commission (informally known as "Commissioners") headed by a President. It includes an administrative body ...
. These rules apply to all
EU member states The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe. The union has a total area of and an estimated total population of about 447million. The EU has often been de ...
.


See also

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Communication source A source or sender is one of the basic concepts of communication and information processing. Sources are objects which encode message data and transmit the information, via a channel, to one or more observers (or receivers). In the strictes ...
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COLUMBUS II (cable system) COLUMBUS II is an optical, repeatered, transatlantic telephone cable. It is approximately in length. It entered into commercial service in 1994. The system, along with the Americas cable, was the first to use the Erbium-doped fiber amplifier (E ...
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CALM M5 CALM M5 is the ISO 21215 standard that incorporates WAVE In physics, mathematics, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Waves can be periodic, in which case tho ...
Telephony European Union and science and technology {{EU-stub