LATA | See Local Access and Transport Area.
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LEC | See Local Exchange Carrier.
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LIDB Service | A database for alternative billing arrangements. LIDB queries return
information about the billing and privacy features associated with the
line number entries stored in the database service that contains
information about billing and privacy features associated with line
numbers.
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Line Information Data Base (LIDB) | Databases owned individually by a LEC or CLEC and other entities that provide
data such as calling card validation for telephone line number cards. An LIDB also contains validation
data for collect and third number-billed calls; for example, Billed
Number Screening.
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LNP | See Local Number Portability.
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LNP Database Query Service | A database service offered through a LEC or CLEC that provides
single-source access to network routing databases of ported
telephone numbers.
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Local Area Network (LAN) | A short-distance data communications network. LANs are typically within
a building or campus, and to link together computers and peripherals
under a standard protocol. The network provides high-bandwidth
communications over coaxial cable, twisted-pair, fiber, or microwave
media. LANs are usually owned by the user.
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Local Exchange | A local exchange is the local central office of a LEC Lines from homes and businesses terminate at a local exchange. Local exchanges connect to other local exchanges within a LATA or to Interexchange Carriers also known as long-distance carriers.
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Local Exchange Carrier (LEC) | As defined in the Telecommunications Act of 1996, a company certified by the Federal Communications Commission
(FCC) to provide local exchange telecommunications service. A LEC can
be either a Bell Operating Company or an independent company.
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Local Loop | The part of a communications circuit between the subscriber's equipment and the equipment in the local exchange.
More formally, a transmission path that extends from the vertical side
of a main distribution frame, DSX-panel, or functionally comparable
piece of equipment in the subscriber's serving end office to the rate demarcation
pointNetwork Interface Device) in or at an end user's premises. Also known as the subscriber loop, local line
and access line. (or functionally comparable piece of equipment in the subscriber's serving end office to the rate demarcation
point (or Network Interface Device) in or at an end user's premises. Also known as the subscriber loop, local line
and access line
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Local Number Portability (LNP) | The process by which an end user can retain the same telephone number
regardless of which local service provider he/she chooses. The ability
for phone numbers to be moved between local service providers is
accomplished by shared access to a numbering database. Also known as
Location Portability.
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Location Portability | The process by which an end user can retain the same telephone number after
changing local service provider.
The ability to move phone numbers between local service providers is
accomplished by shared access to a numbering database. Also known as Local
Number Portability (LNP).
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