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Land Line/Wireline |
| A telephone circuit that travels over terrestrial circuits, be they fiber, wire or microwave. A call may originate from a source not connected to the terrestrial network, as from a car telephone or a ship-to-shore radio, and the call be completed by land line. |
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Lata (Local Access Transport Area) |
| The geographical area within which a LEC (local exchange carrier) can provide local and long distance communication services. LATAs were created as a result of the dictates of the Modified Final Judgement |
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Lata Primary Intra-Exchange Carrier |
| (LPIC) A carrier that provides “Intralata” or local long distance. Local telephone companies automatically provide this service unless otherwise specified by the customer. Intralata Long Distance providers may also provide this additional service, but only when specifically requested by the user. LPICs can be over-ridden by dialing 1010xxx first, then long distance number. |
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Lcd |
| (Liquid Crystal Display) Flat screen used to display numbers and/or characters. Often found on wireless handsets and on pagers. |
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Lcsc |
| Local Carrier Service Center-The BellSouth's on-line, interactive system which permits subscribers to perform inquiry functions and process requests for resale of the products, features, and services unbundled products and services |
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Least Cost Routing |
| Programming that allows a telephone system to determine the least expensive long distance carrier to route traffic through. |
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Lec (Local Exchange Carrier) |
| A telephone company providing local exchange service and connection to the long distance network. A LEC can be either an independent or Bell Operating company. See also Exchange |
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Lec Ban - Billing Account Number |
| 3-digit number appended to the billing phone number used as the LEC customer number. Groups all ANIs for a customer. |
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Lec Billing |
| Arrangement whereby the Local Exchange Carrier invoices the customer for some or all telecommunications services. |
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Lec Card |
| The billing arrangement which enables the caller to bill calls to an authorized calling card issued by a local exchange carrier. |
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Lens (Local Exchange Navigation System) |
| Bell South's on-line, interactive system which permits subscribers to perform inquiry functions and process requests for resale of the products, features and services offered by Bell South. |
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Leoig |
| Local Exchange Ordering Implementation Guide |
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Lidb |
| Line Information Database |
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Lidbe (Line Information Database Entry) |
| A shared database used to validate line-based calling card numbers. |
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Line |
| A channel or circuit between communications points. |
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Lmos (Loop Maintenance Operations System) |
| Computer system used to track facility data including POTS trouble reports. |
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Lnp |
| (Local Number Portability) Ability of phone service subscribers to change their local or wireless phone service provider and still retain the same phone number, as they can with long distance carriers. |
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Loa |
| 1. Letter of Agency. Gives an agent or representative the authority to act on behalf of the customer to make moves, adds or changes to their communications services with the LEC, including PIC changes. Typically used by direct sales representatives. 2. Letter of Authorization. Used to authorize a PIC change. |
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Local Access Fee |
| The monthly recurring fee for the physical connection between a business and a service provider’s point of presence. This is usually provided via a digital T1 circuit that is multiplexed into 24 individual channels. The company that you are contracting with usually leases this circuit on your behalf. A business, on occasion, may choose to order a local access circuit from a local service provider directly. |
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Local Access |
| Telephone service that provides calling within the immediate area. This service is provided by Local Exchange Carriers. |
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Local Calling Area |
| Region across which a phone call is local, involving no toll or long distance charges. |
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Local Exchange Area |
| That part of the national telephone network controlled by the local telephone operating company and separate from the long distance network. The state public utility commission generally regulates local exchange areas. |
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Local Loop |
| Often called the "last mile" of telecommunications, the local loop is the connection between the home or office phone and the switching station of the local phone company. |
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Local Measured Service |
| A message rate structure in which the monthly service rental includes a specified number of calls within defined areas, plus a change for additional calls. The service is provided by local exchange companies. |
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Local Operating Company |
| A local telephone company whose central offices provide intra-Lata communications services, including dial tome, circuit switching, and call connection. |
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Local Reseller |
| A service provider that buys services from the Incumbent Local Exchange Company (ILEC) and resells them under their name. They do not have their own lines, however, they may own and collocate a switch or switches on the premises of the LEC they are reselling. Bell Atlantic, BellSouth, Pacific Bell, Southwestern Bell, US WEST, GTE, and SNET are examples of ILECS. |
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Local Service |
| Telephone service within your immediate geographical area. It includes connections to the local service provider and calling plans and features. |
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Logical Channel |
| A specific band or time segment of a transmission medium, created not by physically dividing the medium but by imposing a set of rules to divide the medium into discrete units. |
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Long Distance Carrier |
| A company that provides a network for a caller to use to make a long distance telephone call. Also called an Interexchange Carrier (IXC). |
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Long Distance Switch |
| A computer used to connect a call to the long distance network |
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Long Distance |
| Refers to the transmission of a call between points outside of the local calling area. |
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Long-Distance Billing Increments |
| how a carrier bills the calls (60 seconds means the calls are rounded to the nearest minute, i.e. a call for 1 minute, 2 seconds will be billed for 2 minutes, whereas the same call on a 6 second-billed program would be billed for 1 minute, 6 seconds |
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Long-Distance Billing Increments |
| The time periods at which long distance calls are billed |
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Long-Distance Reseller |
| A service provider that buys services from one or more long distance carriers such as AT&T, MCI WorldCom and Sprint then resells them under their name. |
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Loop |
| The physical wires that run from the subscriber's telephone set or PBX or key telephone system to the telephone company central office. |
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Loopback |
| Diagnostic procedure used to send a test message which is then sent back to the originator and compared to the original message. |
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Los |
| Local Optional Services (ex: Calling Zones) |
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Lsr (Local Service Request) Form |
| Contains all information required for administrative, billing, and contact details which are necessary for the provisioning of the request for service |
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