ITU-T Rec. E.425 – INTERNAL AUTOMATIC OBSERVATIONS
1.1 essential information (of internal automatic observations)
1.2 supplementary information (of internal automatic observations)
1.3 answer seizure ratio (ASR)
1.4 answer bid ratio (ABR)
2 Merits of internal automatic observations
3 Time of observations
4 Exchange of the results of observations
4.1 The essential information ) should be exchanged monthly ...
4.2 With respect to supplementary data such as: signalling faults, failures ...
4.3 Besides the monthly and quarterly exchange of information ...
5 Classes of calls
6 Destination analysis from service observation data
7 Details about supplementary information for CCITT Signalling System No. 5
7.1 Signalling faults
7.2 Ineffective calls associated with the calling subscriber
7.3 Ineffective calls associated with the called subscriber
8 Equipment impact
8.1 Administrations are recommended to consider inclusion of appropriate facilities ...
8.2 Another way to assemble date on the quality of service (QOS) ...