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A call detail record contains data fields that describe a specific instance of a telecommunication transaction, but does not include the content of that transaction. By way of simplistic example, a call detail record describing a particular phone call might include the phone numbers of both the calling and receiving parties, the start time, and duration of that call.
According to an anonymous source, the database is "the largest database ever assembled in the world," [1] and contains call-detail records (CDRs) for all phone calls, domestic and international. A call-detail record consists of the phone numbers of the callers and recipients along with time, position and duration of the call.
Under the auspices of the Patriot Act, the U.S. government has secretly been collecting Verizon call records since April, according to a top secret court order published by The Guardian yesterday.
But, according to documents recently released by the American Civil Liberties Union, cell. ... records their conversations, and keeps tabs on all the people they talk to. But, according to ...
As AT&T maintains records of calls placed as well as calls received, a single call may be recorded against both the caller's telephone number (as an outgoing call) and the recipient's telephone number (as an incoming call); the number of records generated for a single call depends on its length, as well as on participants' locations and whether ...
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Customer proprietary network information (CPNI) is the data collected by telecommunications companies about a consumer's telephone service. [1] It includes the time, date, duration and destination number of each call, the type of network a consumer subscribes to, and certain other information that appears on the consumer's telephone bill. [2]
The international mobile subscriber identity (IMSI; / ˈ ɪ m z iː /) is a number that uniquely identifies every user of a cellular network. [1] It is stored as a 64-bit field and is sent by the mobile device to the network.