Foreword
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 General considerations
5 Voice telephony QoS indicators
5.1 Fault reports per access line per year
5.2 Unsuccessful call ratio
5.3 Call set up time
5.4 Supply time for initial network connection
5.5 Percentage of orders completed on or before the date
confirmed or contracted with the customer
5.6 Response time for operator services
5.7 Availability (i.e. in working order) of card and coin
operated public pay phones
5.8 Fault repair time
5.9 Service restoration
6 ISDN QoS indicators
6.1 For all bearer services
6.2 For circuit mode switched bearer services
6.3 For circuit mode permanent bearer services
6.4 For all packet mode bearer services
6.5 For packet mode switched bearer services
6.6 For packet mode permanent services
Annex A: The five principles for ONP QoS Indicators
Annex B: Relationship between the accuracy of the estimator of
the unsuccessful call ratio and the number of calls to
be observed
History