EDR Rounding Errors Can Result in the DURATION_CHARGED Value being Lower than the DURATION Value
Last updated on FEBRUARY 01, 2017
Applies to:Oracle Communications Network Charging and Control - Version 4.0.0 and later
Oracle Solaris on SPARC (64-bit)
In all versions of Oracle Network Charging and Control (NCC), when making voice calls, it is possible for the rounding of the complex rating calculations done on the Voucher Wallet Servers (VWS') to write an EDR with the DURATION_CHARGED value rounded down to be less than the value of the DURATION EDR tag.
DURATION_CHARGED: The actual charged duration or charged volume for the session.
The DURATION_CHARGED value can be rounded up to the nearest billing resolution quanta and/or the minimum session length, but should never be lower than the DURATION.
Here is an example of an EDR where the DURATION_CHARGE has been rounded down to be lower than the DURATION:
Potentially rating changes to cost/time values which have exacerbated the chances of hitting this rounding issue.
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