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DEFINITION CDR: Call Detail Record - Call Data Record - SMDR |

Most contemporary PBX systems can output CDR (Call Detail Record) or SMDR (Station Message Detail Record). Essentially they are the same, and contain detail information of telephone activity within an organization.
Typically, these records contain information for every phone call made or received such as: date and time of call, duration, direction, Caller ID, Number dialed, etc
The way these records delivered vary among PBX make and models. Some older PBX system output these records via RS-232 (serial) port, while the newer systems predominantly use delivery of CDR/SMDR via IP port. Still, some store these records in a database or a text file that can be accessed.
These CDR/SMDR file typically processed by Call Accounting systems (also known as CAS or TEM) like Tapit, to generate a multitude of management and productivity reports that are very useful in today’s environment.
For example, these reports can help you:
Control costs
Increase productivity
Identify fraudulent use
Better manage personnel
Allocate cost to various cost centers
Generate additional revenue
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