ITU U.202:1993
ITU U.202:1993 Technical Requirements To Be Met In Providing The International Telex Service Within An Integrated Services Digital Network
Table of Contents
ScopePARTI-GENERALCONSIDERATIONSAPPLICABLETOALL
CONFIGURATIONS
1Generalprinciples
2QualityofServiceobjectives
3Configurationmodels
3.1Minimumintegration
3.2Maximumintegration
4Terminaladaptors
PARTII-USEOFTHEB-CHANNELOFTHEISDNINCIRCUIT
MODEFORTHEPROVISIONOFTHEINTERNATIONAL
TELEXSERVICE
1Minimumintegrationmodel
2Maximumintegrationmodel
3Callestablishmentsequences
3.1Minimumintegrationmodel
3.2Maximumintegrationmodel
4Terminaladaptorfunctions
5Accessunit
6Tasksoftheinterworkingfunction
7Othertelexservicefeatures
PARTIII-USEOFTHED-CHANNELFORTHEPROVISIONOF
THEINTERNATIONALTELEXSERVICE
1QualityofService
2Switchingsignalling
3Textanddatatransmission
4Telexaccesspoints
5Telex-to-ISDNconnectionsandviceversa
6Specialproceduresfordifferentconfigurationmodels,
incorporatingswitching
7Switchingsignallingconversion
8Conversionoftelexmessagecharacters
9Recapitulation