For mobile telecommunications, the Charging Data Record (CDR) is, in 3GPP parlance, a formatted collection of information about a chargeable telecommunication event (making a phone call, using the Internet from your mobile device). CDRs are used for user billing: a telecom provider transfers them from time to time in order to send bills to their users.
For mobile telecommunications, the Charging Data Record (CDR) is, in 3GPP parlance, a formatted collection of information about a chargeable telecommunication event (making a phone call, using the Internet from your mobile device). CDRs are used for user billing: a telecom provider transfers them from time to time in order to send bills to their users.
Source: Wikipedia "Charging data record" · CC BY-SA 4.0
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