1 Overview
1.1 Scope
1.2 Normative references
1.3 Definitions and abbreviations
1.3.1 Definitions
1.3.2 Abbreviations
1.4 Capabilities supported by this Recommendation
2
Call control, application process functions
2.1 Introduction
2.1.1 Primitive interface
2.1.2 Assignment procedure of VPCI/VCI and
bandwidth for point-to-multipoint network connections
2.2 Successful call/connection set-up
2.2.1 Forward address signalling – en bloc
2.2.2 Forward address
signalling – overlap operation
2.2.3 Address_Complete request primitive
2.2.4 Progress (basic call)
2.2.5 Answer primitive
2.2.6 Transit network selection (national
option)
2.2.7 Storage and release of information
2.2.8 Simple segmentation (national option)
2.3 Unsuccessful call/connection set-up
2.3.1 Lack of resources at the incoming side
2.3.2 Lack of resources at the outgoing side
2.3.3 Actions at an exchange receiving an
Incoming_Resources_Rejected primitive
2.3.4 Actions at an exchange receiving a
release message
2.3.5 Address incomplete
2.4 Normal call/connection release
2.4.1
General
2.4.2 Drop of a leaf party requested by a root
party
2.4.3 Drop of a leaf party requested by the
party itself
2.4.4 Drop of a leaf party initiated by the
network
2.4.5 En
bloc release of call/connection requested by the root party
2.4.6 A B-NT2 causing multiple leaf parties to
be dropped, initiated at the TB reference point with a single
RELEASE message
2.5 Suspend, resume
(network initiated)
2.6 Propagation delay determination
2.7 Error indication primitive
2.8 Interaction
2.8.1 Interaction of point-to-multipoint
features and Capability Set 1 supplementary services
2.8.2 Interaction with a leaf party that does
not support multipoint procedures
2.8.3 Interaction with a leaf party that is not
a broadband user
2.8.4 Interaction of a CS-2.1 node with a CS-1
node
2.9 Primitive contents
3
Maintenance control, application process functions
3.1 Reset
3.1.1 Actions at reset initiating exchange
3.1.2 Actions at reset responding exchange
3.1.3 Abnormal reset procedures
3.2 Blocking and unblocking of virtual paths
4
B-ISDN User Part messages and parameters
4.1 Parameter name codes
4.2 Parameter format and coding
4.2.1
Destination connection link identifier
4.2.2 Origination connection link identifier
4.3 Leaf party type
5
Interworking of DSS 2 and B-ISUP for point-to-multipoint
call/connections
5.1 General
5.1.1 Architectural overview
5.2 Originating exchange
5.2.1 Sending of IAM
5.2.2 Receipt of ACM
5.2.3 Receipt of CPG
5.2.4 Receipt of ANM
5.2.5 Receipt of REL
5.2.6 Sending of REL
5.3 Destination exchange
5.3.1 Interworking with DSS 2 access supporting
coincident SB/TB reference point procedures
5.3.2
Interworking with DSS 2 access supporting TB reference point
procedures
5.4 Typical scenarios
Annex A – Message sequence flows
Appendix I – Instruction indicator setting