Communication Manager 4.0 and later provides a new field Use Legacy CDR Formats? on the CDR System Parameters screen for the system administrator to choose either the Communication Manager 3.x (legacy) CDR formats, or the new Communication Manager formats to create CDR records for the system.

The default value for this field isywhich uses the legacy formats.

When the Use Legacy CDR Formats field is set ton, the system uses the new Communication Manager formats. The INS field in the CDR records increases from three to five characters and the Attendant Console field increases from two characters to four characters.

For more information, see Avaya Aura® Communication Manager Screen Reference.

The system sends two types of records to the CDR output device, a date record and a call detail record.