ITU E.131:1988
ITU E.131:1988 Subscriber Control Procedures For Supplementary Telephone Services
Table of Contents
1General2Schemesforcontrolprocedures
3Descriptionandanalysisofcodeschemesfor
supplementarytelephoneservices
3.1General
3.2Descriptionofthecodeschemes
3.3Featuresofeachofthecodeschemes
ANNEXA-Glossaryofterms
A.1Supplementarytelephoneservice
A.2Controlprocedure
A.3Command
A.4Character
A.5Message
A.6Code
A.7Modeortypeofcommunicationidentification
A.8Accesstosupplementaryservices
A.9Serviceidentification
A.10Functionidentification
A.11Blockseparation
A.12Supplementaryinformation
A.13Servicecode
A.14Servicecodeprefix
A.15Functioncode
A.16Blockseparator
A.17Messagesuffix
A.18Abbreviatednumber
A.19Abbreviateddialingprefix
ANNEXB