CDR Data
A Call Detail Record contains at a minimum the following fields:
- Number making the call (A number)
- Number receiving the call (B number)
- Date and Time call was commenced
- Duration of the call
Other information available:
- Telephone exchange ID writing the record
- Sequence number identifying the record
- Additional digits on the B number used to correctly route or
charge the call
- Result of the call [answered, busy, failed to connect]
- Route the call entered the exchange
- Route the call left the exchange
- Any fault condition encountered
- Any facilities used during the call [call waiting, call diversion
etc]
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