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Local Loop. In telephony, the local loop (also referred to as the local tail, subscriber line, or in the aggregate as the last mile) is the physical link or circuit that connects from the demarcation point of the customer premises to the edge of the common carrier or telecommunications service provider's network. [1]
In Telecommunications Act of 1996 sections 251(c)(3), incumbent local exchange carriers (LECs) are required to lease certain parts of their network specified by the FCC or by state PUCs. According to section 252(d)(1), these network elements must be provided on an unbundled basis at cost-based rates. [1]
The implementation of local loop unbundling is a requirement of European Union policy on competition in the telecommunications sector and has been introduced, at various stages of development, in all member states as a postreference offer for unbundled access to their local loops and related facilities.
The idle state, i.e., an open loop of a subscriber line or PBX user loop. An operating state of a telecommunication circuit in which transmission is disabled and a high impedance, or "open circuit", is presented to the link by the end instrument(s). Note: during the on-hook condition, the link is responsive to ringing signals.
These parameters are defined by the International Telecommunication Union in its recommendation G.811, by European Telecommunications Standards Institute in its standard EN 300 462-1-1, by the ANSI Synchronization Interface Standard T1.101 defines profiles for clock accuracy at each stratum level, and by Telecordia/Bellcore standards GR-253 [5 ...
Kewlstart is a coined term created in the Asterisk PBX open-source software community for an extension of loop start signaling for FXS and FXO telephony interfaces which adds disconnect supervision. This type of on-hook/off-hook supervision was in use in step-by-step systems as well as electronic switching systems in North America for many decades.
A remote subscriber loop carrier cabinet. A subscriber loop carrier or subscriber line carrier (SLC) provides telephone exchange-like telephone interface functionality. SLC remote terminals are typically located in areas with a high density of telephone subscribers, such as a residential neighborhood, or very rural areas with widely dispersed customers, that are remote from the telephone ...
In telecommunication, supervision is the monitoring of a telecommunication circuit for telephony to convey to an operator, user, or a switching system, information about the operational state of the circuit.