RA333: CELL_CALL_ESTB_SUCC_RATE
This measurement indicates the proportion of the ASS CMP messages that the BSC sends to the MSC to the EST IND messages that the BSC receives from the BTS.
%.
At the end of the granularity period, this counter is calculated by using the following formula.
Success Rate of Call Establishment =
([Successful Assignments] -
([Assignment Requests (SDCCH)] +
[Assignment Requests (Signaling Channel) (TCH)] -
[Failed Assignments (Signaling Channel)] +
[Assignment Requests (TCH Assigned Repeatedly over A Interface)] -
[Failed Assignments (TCH Assigned Repeatedly over A Interface)])) x {100}
/([SDCCH Seizures for Speech Service] +
[TCHF Seizures for Speech Service] +
[TCHH Seizures for Speech Service])