Line Information Database

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What Does Line Information Database Mean?

A Line Information Database (LIDB) is a record kept by the local telephone service provider that consists of a number of details for each customer. The categories included in a Line Information Database include subscriber information, such as a service profile, name, address and credit card validation information.

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Techopedia Explains Line Information Database

LIDB is a database service used in the United States and Canada which is managed by a conventional landline telephone company that holds a subscriber’s information such as service profile, 10-digit line number, service provider ID, equipment indicator and billing specifications. Telephone service providers maintain and retrieve these records for caller identification and line information. This information is also utilized by other service providers such as telemarketers to target specific audiences for their products. The information is passed along during call setup for regular calls between two subscribers.

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Margaret Rouse
Technology Expert
Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.