ITU Q.767:1991
ITU Q.767:1991 Application Of The Isdn User Part Of Ccitt Signalling System No. 7 For International Isdn Interconnections
Table of Contents
1Introduction2Servicessupported
2.1Bearerservices
2.2Tele-services
2.3Supplementaryservices
2.4Inter-workingbetweenISDNandPSTN/IDN
3ExceptionsandclarificationtotheBlueBookISUP
Recommendations
3.1General
3.2ExceptionsandclarificationstoRecommendation
Q.761
3.3ExceptionsandclarificationstoRecommendation
Q.762
3.4ExceptionsandclarificationstoRecommendation
Q.763
3.5ExceptionsandclarificationstoRecommendation
Q.764
3.6ExceptionsandclarificationstoRecommendation
Q.730
4GuidelinesforISDNinternationalinterconnections
4.1ClarificationstoISUPbasiccallcontrol
procedures
4.2ClarificationstoISUPsupplementaryservices
4.3Handlingofaccessinformation
4.4Clarificationsforpracticalinterconnections
ANNEXESISDNUserPartofSignallingSystemNo.7for
internationalinterconnections
ANNEXAFunctionaldescriptionoftheISDNUserPart
ofSignallingSystemNo.7forinternational
interconnections
A.1General
A.2ServicessupportedbytheISDNUserPart
A.3ServicesassumedfromtheMessageTransfer
Part(MTP)andRestrerSignallingservices
1,2and3
A.4End-to-endsignalling
A.5Futureenhancements
ANNEXBGeneralfunctionofmessagesandsignals
B.1Signallingmessages
B.2Signallinginformation
ANNEXCFormatsandcodes
C.1General
C.2Parameterformatsandcodes
C.3ISDNuserpartparameters
C.4ISDNUserPartmessagesandcodes
ANNEXC.AInterpretationofsparecodes
ANNEXDSignallingprocedures
D.1General
D.2Basiccallcontrolandsignallingprocedures
D.3End-to-endsignalling
ANNEXEISDNsupplementaryservices
E.1General
E.2User-to-UserSignallingservice
E.3ClosedUserGroup(CUG)
E.4GeneraldescriptionoftheCallingLine
IdentityPresentationandRestrictionservice
E.5DirectDiallingIn(DDI)
E.6CallForwardingservices
E.7Time-outtable
E.8DescriptionoftheconnectedLine
IdentificationPresentationandRestriction
service
ANNEXE.ASignallingproceduresfortheexplicit
invocationofUser-to-UserSignalling
services1,2and3