They tracked the iPhone's spread using Telenor's database of CDRs — call detail records.

他们用挪威电讯的通话详情记录数据库来追踪iPhone的市场扩散。

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In the second half year of 2008, Liaoning Mobile decided to shorten the time for inquiry of call detail records in CRM system.

2008年下半年，辽宁移动决定进一步缩短CRM系统中详单查询的时间。

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CDR (Call Detail Records) collection module, which is responsible for collecting CDR in the billing switches, is the key sub-module of the telecommunications billing system.

话单采集模块是电信计费系统的关键子模块，负责采集交换机上的计费话单数据。

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Call detail records are used by telecommunication firms to detect fraud in real time.

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We have been unable to replicate the issue, but the information displayed did not include call-detail records, social security numbers, or credit card information.

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