ITU F.70:1988
ITU F.70:1988 Evaluating The Quality Of The International Telex Service
Table of Contents
1Introduction2Methodofmeasuringqualityofservice
3Analysisofresults
4ExplanationoftermsusedinTable1/F.70
4.1Effectivecall
4.2Ineffectivecall
4.3Chargeabletime
4.4Callset-uptime
4.5PTSfailure
4.5Servicesignals