Call Drops due to Failures to Return to Normal Call from BTS Loopback (Service)

Measurement Counter

M3853: CELL_CALL_DROPS_LOOP_RESTORE_FAIL_BTS_LOOP_SERVICE

Description

After a call is in the BTS handover state, the BTS loopback recovery procedure is started because of service requirements. This measurement provides the number of call drops due to various reasons (including the TC resource request failure, the failure to establish the transmission channel between the Ater interface and the Abis interface, and other reasons) during the loopback recovery procedure.

Unit

Integer number or integer.

Measurement Point

If the BTS loopback recovery is triggered because of service requirements, call drops occur on the MS during the loopback recovery procedure, this counter is measured.

Formula

This is an original counter without involving any formula.


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