Call Detail Records, or CDRs, contain a record of telephone calls in a phone system or network. If the network is a phone carrier’s wireless network, the CDR logs all calls that pass through its ...

Learn how data from call detail records can help you find fraud calls made by your phone system — and prevent them from happening again. If you’ve ever checked your phone’s call history to see when ...

Text messages and email are two of the most common ways we use our smartphones to communicate, but one shouldn’t forget that these fancy gadgets can still ring a friend or family member. An audible ...