ZTR104A:BSCRPT_RATE_SD_CALL_DROP
This measurement provides the call drop ratio on the SDCCHs per BSC, that is, the proportion of call drops on the SDCCHs per BSC to successful SDCCH seizures per BSC.
%.
This counter is measured according to the following formula when the measurement period ends. For details on the measurement point, see "Measurement Point" of each counter in the formula.
Call Drop Ratio on SDCCH per BSC = ([Call Drops on SDCCH per BSC]/[Successful SDCCH Seizures per BSC]) x {100}