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A call detail record (CDR) is a data record produced by a telephone exchange or other telecommunications equipment that documents the details of a telephone call or other telecommunications transaction (e.g., text message) that passes through that facility or device. The record contains various attributes of the call, such as time, duration, completion status, source number, and destination number.

Merriam-Webster Online Dictionary
CDR (abbreviation)
CDR (Wikipedia)

CDR may refer to:

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