ITU Q.8:1988
ITU Q.8:1988 Signalling Systems To Be Used For International Manual And Automatic Working On Analogue Leased Circuits
Table of Contents
1Signallingonmanualinternationalanalogueleasedcircuits
2Signallingonautomaticinternationalanalogue
leasedcircuits
2.1Transmissionfactors
2.2Characteristicsofsignallingsystems
2.3Interactionbetweensignallingandnon-voice
services
ANNEXATechnicalclausesfor2280Hzsignallingon
manualcircuits
A.1Signalsender
A.2Signalreceiver
A.3Splittingarrangements
ANNEXBTechnicalclausesfor2600Hzsignallingon
manualcircuits
B.1Signallingsender
B.2Signalreceiver
ANNEXCThestandardEuropeaninter-PABXsignalling
system
C.1Introduction
C.2Principlesandfieldofapplication
C.3Linesignalconditionsandsignallingcodes
C.4Linesignallingtransmissionrequirements
C.5Generallinesignaltransferprocedures
C.6Decadicpulsing
ANNEXDAtypicalNorthAmericanprivateanalogue
networksignallingsystem
D.1Introduction
D.2Generalsignallingapplications
D.3Signallingonaccesslines
D.4Signallingoninter-exchangetrunkscting
subscriberstoremotePABXsandpublicexchanges
D.5Decadicpulsing
D.6Multi-frequencypushbutton
ANNEXEThestandardEuropeansignallingsystemfor
leasedcircuitsconnecting
subscriberstoremotePABXsandpublicexchanges
E.1Introduction
E.2Principlesandfieldsofapplication
E.3Linesignalconditionsandsignallingcodes
E.4Linesignallingtransmissionrequirements
E.5Generallinesignaltransferprocedures
E.6Decadicpulsing