Measurement Counter
ZTM331:BSCRPT_TOTAL_CELL_CALL_DROPS_ABIS_LNK_FAIL_TCH
Description
After the MS enters the normal call state on the TCH, this measurement provides the number of call drops on the TCHs per BSC (Abis terrestrial link failure) when the call drops are caused by the terrestrial link failure of the Abis interface.
Unit
Integer number or integer.
Measurement Point
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.
Formula
Call Drops on TCH per BSC (Abis Terrestrial Link Failure) =
[
Call Drops due to Abis Terrestrial Link Failure (TCHF) (Signaling Channel)] +
[ Call Drops due to Abis Terrestrial Link Failure (TCHF) (Traffic Channel)] +
[ Call Drops due to Abis Terrestrial Link Failure (TCHH) (Signaling Channel)] +
[ Call Drops due
to Abis Terrestrial Link Failure (TCHH) (Traffic Channel)]