A9113:DOWN_GPRS_TBF_TOTAL_TIME
This measurement provides the total duration of downlink GPRS TBF (ms) in a granularity period.
ms.
The activation duration of a GPRS TBF refers to the period that starts when the GPRS TBF is successfully established and ends when the GPRS TBF is normally released.
This is an original counter without involving any formula.