Call Detail Records
N/A
通话详单
Call Detail Records · N/A · 通话详单 · kawl DEE-tayl REK-ordz · CDR · phone records · Cybersecurity · forensics · telecom · investigationCybersecurityCDR phone records/kawl DEE-tayl REK-ordz/
Also known as: CDR, phone records
Last updated August 9, 2026
Definition
Call detail records (CDRs) are carrier logs of calls and texts — numbers, times, towers — obtained through lawful process, not usually stored as a simple file on the phone.
Real-World Example
Investigators mapping who contacted whom on a given night often start with CDRs from the provider.
References
Related terms
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