Table of Contents
1Definitions
1.1Essentialinformation[ofinternal
automaticobservations]
1.2Supplementaryinformation[ofinternal
automaticobservations]
1.3AnswerSeizureRatio[ASR]
1.4AnswerBidRatio[ABR]
1.5NetworkEffectivenessRatio[NER]
2Meritsofinternalautomaticobservations
3Timeofobservations
4Exchangeoftheresultsofobservations
5Classesofcalls
6Destinationanalysisfromserviceobservationdata
7Detailsaboutsupplementaryinformation
forSignallingSystemNo.
7.1Signallingfaults
7.2Ineffectivecallsassociatedwiththe
callingsubscriber
7.3Ineffectivecallsassociatedwiththe
calledsubscriber
7.4Network
8Equipmentimpact
AnnexA-Causevaluecategorization Abstract
Describes internal monitoring of network performance using specific performance parameters such as Answer Seizure Ratio (ASR), Answer Bid Ratio (ABR) and Network Effectiveness Ratio (NER). The advantages of internal monitoring is that a large volume of records can be collected which allows day-to-day evaluation of network performance.
