V2EX cdr

CDR

释义 Definition

CDR(缩写)最常见指 Call Detail Record,即“通话详单/呼叫详单”:电信或VoIP系统自动生成的记录,用于保存一次通话或通信会话的关键信息(如主叫/被叫号码、开始时间、时长、计费信息、路由等),常用于计费、审计、排障与合规
(在其他领域里,CDR 也可能指如免疫学的 complementarity-determining region 等含义,需结合语境。)

发音 Pronunciation

/si di r/

例句 Examples

I pulled the CDR for yesterday’s calls.
我调取了昨天通话的通话详单(CDR)。

The fraud team compared CDR data across multiple carriers to identify a pattern of short, repeated calls.
反欺诈团队对比了多个运营商的CDR数据,以识别“短时、重复拨打”的通话模式。

词源 Etymology

CDR 属于行业首字母缩略词,来自 Call Detail Record。它随电话计费与交换系统的发展而普及,后来也被VoIP、呼叫中心与通信平台沿用,用来指代“以记录为核心的数据条目/日志”。

相关词 Related Words

文学与著作 Works

  • Telecommunications Billing Systems(电信计费系统相关专业著作中常讨论 CDR 的生成与计费关联)
  • Asterisk: The Definitive Guide(PBX/VoIP 实务书籍中常提到 CDR 作为通话记录机制)
  • 3GPP/ETSI 等通信标准与技术白皮书(常用 CDR 描述计费与话单数据模型)
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