ITU E.260:1988
ITU E.260:1988 Basic Technical Problems Concerning The Measurement And Recording Of Call Durations
Table of Contents
1Recordingcallduration2Discriminationbetweenautomaticand
semiautomaticcalls
3Omissionofinternationaltransittrafficfrom
therecordsofcallduration
4Discriminationaccordingtodestination
4.2Incomingcountryconstitutingasinglechargingzone
4.3Incomingcountryconsistingofseveralchargingzones
4.4Specialfrontierarrangements
5Discriminationaccordingtorouteanddestination
6Distributionoftrafficinaninternationalexchangefor
thepurposeofmeasuringcalldurations
References