DMS-100 Family Switch Performance Monitoring System Application Guide BASE09 and up
Section
MTCESERV
Description
Ringing failure
Definition
The proportion of terminating calls given treatment as a result of ringing
failure.
DMS-100G Switch does not contribute to or provide an equivalent of
• OM group LMD
• OM group OFZ, measurements INTRM
Measurement list
RNGFL is based on the sum over all tuples of LMD PERCLFL.
Normalizer
The normalizing factor for RNGFL is the sum of the OFZ registers
ORIGTRM and INTRM (with their respective extension registers). In
International offices this factor is the sum of OTS registers ORGTRM,
INCTRM, and SYSTRM, with extension registers.
Diagnostics
To locate LCDs with a high incidence of ringing problems relative to
terminating attempts (register NTERMATT), look at OM group LMD,
register PERCLFL. See also OM group PM, registers PMRGERR and
PMRGFLT. Check logs LINE107, LINE110, and LINE113.
5-21 SPMS SERVICE index descriptions 5-215-21
Basic index RNGFL
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